Naruhiko Ikoma, MD, MS

Peer-Reviewed Articles

1. Badgwell B, Estrella J, Roy-Chowdhuri S, Ikoma N, Blum Murphy M, Ajani J, Mansfield P. Updated Analysis of a Phase 2 Trial of Cytoreduction, Gastrectomy, and Hyperthermic Intraperitoneal Perfusion with Chemotherapy for Patients with Peritoneal Carcinoma from Gastric Cancer. Ann Surg Oncol 31(5):2824-2825, 2024. e-Pub 2024. PMID: 38286882.
2. Boyev A, Arvide EM, Newhook TE, Prakash LR, Bruno ML, Dewhurst WL, Kim MP, Maxwell JE, Ikoma N, Snyder RA, Lee JE, Katz MHG, Tzeng CD. Prophylactic Antibiotic Duration and Infectious Complications in Pancreatoduodenectomy Patients with Biliary Stents: Opportunity for De-Escalation. Ann Surg 279(4):657-664, 2024. e-Pub 2023. PMID: 37389897.
3. Hirata Y, Lyu H, Smith GL, Wang XS, Tran Cao HS, Katz MHG, Ikoma N. What Defines the Value of Minimally Invasive Surgery for Cancer Patients?. Ann Surg Oncol 31(4):2204-2207, 2024. e-Pub 2023. PMID: 38123730.
4. Azimuddin A, Tzeng CD, Prakash LR, Bruno ML, Arvide EM, Dewhurst WL, Newhook TE, Kim MP, Ikoma N, Snyder RA, Lee JE, Perrier ND, Katz MH, Maxwell JE. Postoperative Global Period Cost Reduction Using 3 Successive Risk-Stratified Pancreatectomy Clinical Pathways. J Am Coll Surg 238(4):451-459, 2024. e-Pub 2024. PMID: 38180055.
5. AghaAmiri S, Estrella JS, Vargas SH, Hurd MW, Ghosh SC, Azhdarinia A, Ikoma N. Translational Potential of a Contrast Agent for FGS Applications in pNETs. Mol Imaging Biol 26(2):191-194, 2024. e-Pub 2024. PMID: 38267640.
6. Jain AJ, Newhook TE, Lilley E, Ikoma N, Tzeng CD, Chun YS, Vauthey JN, Tran Cao HS. A Practical Guide to Inflow Control, Retraction, and Exposure for Robotic Hepatectomy. Ann Surg Oncol 31(3):1833, 2024. e-Pub 2023. PMID: 37989954.
7. Cass SH, Tzeng CD, Prakash LR, Maxwell J, Snyder RA, Kim MP, Huey RW, Smaglo BG, Pant S, Koay EJ, Wolff RA, Lee JE, Katz MHG, Ikoma N. Trends Over Time in Recurrence Patterns and Survival Outcomes after Neoadjuvant Therapy and Surgery for Pancreatic Cancer. Ann Surg. e-Pub 2024. PMID: 38506042.
8. Hirata Y, To C, Lyu H, Smith GL, Samuel JP, Tran Cao HS, Badgwell BD, Katz MHG, Ikoma N. Prevalence of and Factors Associated with Financial Toxicity After Pancreatectomy and Gastrectomy. Ann Surg Oncol. e-Pub 2024. PMID: 38536586.
9. Mitchell KG, Bayley EM, Ikoma N, Antonoff MB, Mehran RJ, Rajaram R, Rice DC, Roth JA, Sepesi B, Swisher SG, Vaporciyan AA, Walsh GL, Maru DM, Erasmus JJ, Weston BR, Ajani JA, Badgwell BD, Hofstetter WL. Gastric Extent of Tumor Predicts Peritoneal Metastasis in Siewert II Adenocarcinoma. Ann Thorac Surg 117(2):320-326, 2024. e-Pub 2023. PMID: 37080372.
10. Lilley EJ, Lu P, Robinson K, Griffith H, Mansfield P, Ikoma N, Badgwell BD. High symptom burden in patients undergoing gastrectomy for cancer. J Surg Oncol 129(2):228-232, 2024. e-Pub 2023. PMID: 37849370.
11. Kapuria S, Minot P, Kapusta A, Ikoma N, Alambeigi F. A Novel Dual Layer Cascade Reliability Framework for an Informed and Intuitive Clinician-AI Interaction In Diagnosis of Colorectal Cancer Polyps. IEEE J Biomed Health Inform PP. e-Pub 2024. PMID: 38194408.
12. Boyev A, Prakash LR, Chiang YJ, Newhook TE, Bruno ML, Arvide EM, Dewhurst WL, Kim MP, }bIkoma N, Lee JE, Snyder RA, Tzeng CD, Katz MHG, Maxwell JE. Elevated CA 19-9 is associated with worse survival in patients with resected ampullary adenocarcinoma. Surg Oncol 51:101994, 2023. e-Pub 2023. PMID: 37742542.
13. Boyev A, Azimuddin A, Newhook TE, Maxwell JE, Prakash LR, Bruno ML, Arvide EM, Dewhurst WL, Kim MP, Ikoma N, Snyder RA, Lee JE, Katz MHG, Tzeng CD. Evaluation and Recalibration of Risk-Stratified Pancreatoduodenectomy Drain Fluid Amylase Removal Criteria. J Gastrointest Surg 27(12):2806-2814, 2023. e-Pub 2023. PMID: 37935998.
14. Hirata Y, Gottumukkala V, Ajith J, Schmeisser JA, Ninan EP, Maxwell JE, Snyder RA, Kim MP, Tran Cao HS, Tzeng CD, Badgwell BD, Katz MHG, Ikoma N. Laparoscopic transverse abdominis plane block: how I do it and a cost efficiency analysis. Langenbecks Arch Surg 409(1):16, 2023. e-Pub 2023. PMID: 38147123.
15. Boyev A, Jain AJ, Newhook TE, Prakash LR, Chiang YJ, Bruno ML, Arvide EM, Dewhurst WL, Kim MP, Maxwell JE, Ikoma N, Snyder RA, Lee JE, Katz MHG, Tzeng CD. Opioid-Free Discharge After Pancreatic Resection Through a Learning Health System Paradigm. JAMA Surg 158(11):e234154, 2023. e-Pub 2023. PMID: 37672236.
16. Boyev A, Prakash LR, Chiang YJ, Childers CP, Jain AJ, Newhook TE, Bruno ML, Arvide EM, Dewhurst WL, Kim MP, Ikoma N, Lee JE, Snyder RA, Katz MHG, Tzeng CD, Maxwell JE. Postoperative Opioid Use Is Associated with Increased Rates of Grade B/C Pancreatic Fistula After Distal Pancreatectomy. J Gastrointest Surg 27(10):2135-2144, 2023. e-Pub 2023. PMID: 37468733.
17. Sullivan TE, Hernandez Vargas S, Ghosh SC, AghaAmiri S, Ikoma N, Azhdarinia A. A translational blueprint for developing intraoperative imaging agents via radiopharmaceutical-guided drug design. Curr Opin Chem Biol 76:102376, 2023. e-Pub 2023. PMID: 37572489.
18. Boyev A, Azimuddin A, Prakash LR, Newhook TE, Maxwell JE, Bruno ML, Arvide EM, Dewhurst WL, Kim MP, Ikoma N, Lee JE, Snyder RA, Katz MHG, Tzeng CD. Classification of Post-Pancreatectomy Readmissions and Opportunities for Targeted Mitigation Strategies. Ann Surg. e-Pub 2023. PMID: 37791481.
19. Hirata Y, Chiang YJ, Mansfield P, Badgwell BD, Ikoma N. Trends of Oncological Quality of Robotic Gastrectomy for Gastric Cancer in the United States. World J Oncol 14(5):371-381, 2023. e-Pub 2023. PMID: 37869235.
20. Hirata Y, Chiang YJ, Estrella JS, Das P, Minsky BD, Blum Murphy M, Ajani JA, Mansfield P, Badgwell BD, Ikoma N. Independent Stage Classification for Gastroesophageal Junction Adenocarcinoma. Cancers (Basel) 15(21), 2023. e-Pub 2023. PMID: 37958312.
21. Ikoma N, Grotz T, Kawakubo H, Kim HI, Matsuda S, Hirata Y, Nakao A, Williams LA, Wang XS, Mendoza T, Wang X, Badgwell BD, Mansfield PF, Hyung WJ, Strong VE, Kitagawa Y. Trans-pacific multicenter collaborative study of minimally invasive proximal versus total gastrectomy for proximal gastric and gastroesophageal junction cancers. BMC Surg 23(1):262, 2023. e-Pub 2023. PMID: 37653380.
22. Kara OC, Kim HS, Xue J, Mohanraj TG, Hirata Y, Ikoma N, Alambeigi F. Design and Development of a Novel Soft and Inflatable Tactile Sensing Balloon for Early Diagnosis of Colorectal Cancer Polyps. ArXiv, 2023. e-Pub 2023. PMID: 37791107.
23. Hirata Y, Agnes A, Prakash LR, Mansfield P, Badgwell BD, Ikoma N. Borrmann Type Predicts Response to Preoperative Therapy in Advanced Gastric Cancer. J Gastrointest Cancer 54(3):882-889, 2023. e-Pub 2022. PMID: 36308675.
24. Hirata Y, Agnes A, Estrella JS, Blum Murphy M, Das P, Minsky BD, Ajani JA, Badgwell BD, Mansfield P, Ikoma N. Clinical Impact of Positive Surgical Margins in Gastric Adenocarcinoma in the Era of Preoperative Therapy. Ann Surg Oncol 30(8):4936-4945, 2023. e-Pub 2023. PMID: 37106276.
25. Cousins A, Krishnan S, Krishnan G, Pham N, Milanova V, Nelson M, Shetty A, Ikoma N, Thierry B. Preclinical evaluation of sentinel node localization in the stomach via mannose-labelled magnetic nanoparticles and indocyanine green. Surg Endosc 37(8):6185-6196, 2023. e-Pub 2023. PMID: 37165173.
26. Hirata Y, Azhdarinia A, Alambeigi F, Ikoma N. ASO Author Reflections: Management of R1 Margins in the Era of Multidisciplinary Treatment of Gastric Cancer. Ann Surg Oncol 30(8):4946-4947, 2023. e-Pub 2023. PMID: 37171562.
27. Hirata Y, Agnes A, Estrella JS, Blum M, Das P, Minsky BD, Ajani JA, Badgwell BD, Mansfield P, Ikoma N. ASO Visual Abstract: Clinical Impact of Positive Surgical Margins in Gastric Adenocarcinoma in the Era of Preoperative Therapy. Ann Surg Oncol 30(8):4948-4949, 2023. e-Pub 2023. PMID: 37193894.
28. Kara OC, Venkatayogi N, Ikoma N, Alambeigi F. A Reliable and Sensitive Framework for Simultaneous Type and Stage Detection of Colorectal Cancer Polyps. Ann Biomed Eng 51(7):1499-1512, 2023. e-Pub 2023. PMID: 36754924.
29. Ayabe RI, Prakash LR, Bruno ML, Newhook TE, Maxwell JE, Arvide EM, Dewhurst WL, Kim MP, Ikoma N, Snyder RA, Lee JE, Katz MHG, Tzeng CD. Differential Gains in Surgical Outcomes for High-Risk vs Low-Risk Pancreatoduodenectomy with Successive Refinements of Risk-Stratified Care Pathways. J Am Coll Surg 237(1):4-12, 2023. e-Pub 2023. PMID: 36786469.
30. Ngo-Huang AT, Parker NH, Xiao L, Schadler KL, Petzel MQB, Prakash LR, Kim MP, Tzeng CD, Lee JE, Ikoma N, Wolff RA, Javle MM, Koay EJ, Pant SD, Folloder JP, Wang X, Cotto AM, Ju YR, Garg N, Wang H, Bruera ED, Basen-Engquist KM, Katz MHG. Effects of a Pragmatic Home-based Exercise Program Concurrent with Neoadjuvant Therapy on Physical Function of Patients with Pancreatic Cancer: The Pancfit Randomized Clinical Trial. Ann Surg 278(1):22-30, 2023. e-Pub 2023. PMID: 37026453.
31. Hirata Y, Agnes A, Arvide EM, Robinson KA, To C, Griffith HL, LaRose MD, Munder KM, Mansfield P, Badgwell BD, IkomaN. Short-Term and Textbook Surgical Outcomes During the Implementation of a Robotic Gastrectomy Program. J Gastrointest Surg 27(6):1089-1097, 2023. e-Pub 2023. PMID: 36917404.
32. Liang TZ, Katz MHG, Prakash LR, Chatterjee D, Wang H, Kim M, Tzeng CD, Ikoma N, Wolff RA, Zhao D, Koay EJ, Maitra A, Kundu S, Wang H. Comparative Analyses of the Clinicopathologic Features of Short-Term and Long-Term Survivors of Patients with Pancreatic Ductal Adenocarcinoma Who Received Neoadjuvant Therapy and Pancreatoduodenectomy. Cancers (Basel) 15(12), 2023. e-Pub 2023. PMID: 37370842.
33. Hirata Y, Mansfield P, Ikoma N. ASO Author Reflections: Robotic Transabdominal Approach for Gastroesophageal Junction Cancers in the Era of Multidisciplinary Treatment. Ann Surg Oncol 30(5):2957-2958, 2023. e-Pub 2023. PMID: 36695991.
34. Erstad DJ, Hatanaka Y, Cass S, Maxwell J, Tran Cao H, Kim M, Tzeng CW, Lee JE, Katz M, Ikoma N. Technique for Robotic Pancreaticojejunostomy. J Am Coll Surg 236(5):e12-e14, 2023. e-Pub 2022. PMID: 36729595.
35. Hirata Y, Maxwell JE, Kim MP, Tzeng CD, Katz MHG, Ikoma N. Transmesocolic Approach for Robotic Duodenal Operations. Ann Surg Oncol 30(5):2959, 2023. e-Pub 2023. PMID: 36752968.
36. Hirata Y, Mansfield P, Badgwell BD, Ikoma N. Evidence-Based Surgical Approach to Gastroesophageal Junction Cancer: How We Do Robotic Transhiatal Lower Mediastinal Dissection and Esophagojejunostomy. Ann Surg Oncol 30(5):2956, 2023. e-Pub 2023. PMID: 36658247.
37. Tong YT, Lai Z, Katz MHG, Prakash LR, Wang H, Chatterjee D, Kim M, Tzeng CD, Lee JE, Ikoma N, Rashid A, Wolff RA, Zhao D, Koay EJ, Maitra A, Wang H. Prognosticators for Patients with Pancreatic Ductal Adenocarcinoma Who Received Neoadjuvant FOLFIRINOX or Gemcitabine/Nab-Paclitaxel Therapy and Pancreatectomy. Cancers (Basel) 15(9), 2023. e-Pub 2023. PMID: 37174073.
38. Sohn AJ, Taherian M, Katz MHG, Prakash LR, Chatterjee D, Wang H, Kim M, Tzeng CD, Lee JE, Ikoma N, Rashid A, Wolff RA, Zhao D, Koay EJ, Sun R, Maitra A, Wang H. Integrated Pathologic Score Effectively Stratifies Patients With Pancreatic Ductal Adenocarcinoma Who Received Neoadjuvant Therapy and Pancreaticoduodenectomy. Am J Surg Pathol 47(4):421-430, 2023. e-Pub 2023. PMID: 36746143.
39. Newhook TE, Vreeland TJ, Griffin JF, Tidwell RSS, Prakash LR, Koay EJ, Ludmir EB, Smaglo BG, Pant S, Overman M, Wolff RA, Ikoma N, Maxwell J, Kim MP, Lee JE, Katz MHG, Tzeng CD. Prognosis Associated With CA19-9 Response Dynamics and Normalization During Neoadjuvant Therapy in Resected Pancreatic Adenocarcinoma. Ann Surg 277(3):484-490, 2023. e-Pub 2022. PMID: 36649067.
40. Daigle N, Knapp T, Duan S, Jones DW, Azhdarinia A, Ghosh SC, AghaAmiri S, Ikoma N, Estrella J, Schnermann MJ, Merchant JL, Sawyer TW. Combined multiphoton microscopy and somatostatin receptor type 2 imaging of pancreatic neuroendocrine tumors. bioRxiv, 2023. e-Pub 2023. PMID: 36778307.
41. Donovan EC, Prakash LR, Chiang YJ, Bruno ML, Maxwell JE, Ikoma N, Tzeng CD, Katz MHG, Lee JE, Kim MP. Incidence of Postoperative Complications Following Pancreatectomy for Pancreatic Cystic Lesions or Pancreatic Cancer. J Gastrointest Surg 27(2):319-327, 2023. e-Pub 2022. PMID: 36443557.
42. Hirata Y, Kim HI, Grotz TE, Matsuda S, Badgwell BD, Ikoma N. The role of proximal gastrectomy in gastric cancer. Chin Clin Oncol 11(5):39, 2022. PMID: 36336898.
43. Newton AD, Newhook TE, Ikoma N, Tzeng CD, Chun YS, Vauthey JN, Tran Cao HS. Robotic Extended Right Hepatectomy for Colorectal Liver Metastasis. Ann Surg Oncol. e-Pub 2022. PMID: 36112251.
44. Gordon WJ, Ikoma N, Lyu H, Jackson GP, Landman A. Protecting procedural care-cybersecurity considerations for robotic surgery. NPJ Digit Med 5(1):148, 2022. e-Pub 2022. PMID: 36127420.
45. Hernandez Vargas S, AghaAmiri S, Ghosh SC, Luciano MP, Borbon LC, Ear PH, Howe JR, Bailey-Lundberg JM, Simonek GD, Halperin DM, Tran Cao HS, Ikoma N, Schnermann MJ, Azhdarinia A. High-Contrast Detection of Somatostatin Receptor Subtype-2 for Fluorescence-Guided Surgery. Mol Pharm. e-Pub 2022. PMID: 36174110.
46. Witt RG, Newhook TE, Prakash LR, Bruno ML, Arvide EM, Dewhurst WL, Ikoma N, Maxwell JE, Kim MP, Lee JE, Katz MHG, Tzeng CD. Association of Patient Controlled Analgesia and Total Inpatient Opioid Use After Pancreatectomy. J Surg Res 275:244-251, 2022. e-Pub 2022. PMID: 35306260.
47. DiPeri TP, Newhook TE, Prakash LR, Ikoma N, Maxwell JE, Kim MP, Lee JE, Katz MHG, Tzeng CD. Prognostic significance of preoperative and postoperative CA 19-9 normalization in pancreatic adenocarcinoma treated with neoadjuvant therapy or surgery first. J Surg Oncol. e-Pub 2022. PMID: 35726394.
48. Abu-Sbeih H, Szafron D, Elkafrawy AA, Garcia-Rodriguez V, Ma W, Xu A, Khurana S, Numan L, Chen E, Goldstein R, Tsen A, Peng Y, Blum M, Kopetz ES, Ikoma N, Shatila M, Qiao W, Raju GS, Ross WA, Ge PS, Coronel E, Wang Y. Endoscopy for the diagnosis and treatment of gastrointestinal bleeding caused by malignancy. J Gastroenterol Hepatol. e-Pub 2022. PMID: 35730192.
49. Newton AD, Newhook TE, Bruno ML, Prakash L, Chiang YJ, Arango NP, Dewhurst WL, Arvide EM, Ikoma N, Maxwell JE, Kim MP, Lee JE, Katz MHG, Tzeng CD. Iterative Changes in Risk-Stratified Pancreatectomy Clinical Pathways and Accelerated Discharge After Pancreaticoduodenectomy. J Gastrointest Surg 26(5):1054-1062, 2022. e-Pub 2022. PMID: 35023033.
50. Hirata Y, Katz MHG, Ikoma N. Robotic Duodenojejunostomy Bypass for Metastatic Pancreatic Body Cancer. J Gastrointest Surg 26(5):1115-1116, 2022. e-Pub 2022. PMID: 35132565.
51. DiPeri TP, Newhook TE, Tran Cao HS, Ikoma N, Dewhurst WL, Arvide EM, Bruno ML, Katz MHG, Vauthey JN, Lee JE, Tzeng CD. Opioid Discharge Prescriptions After Inpatient Surgery: Risks of Rebound Refills by Length of Stay. J Surg Res 278:111-118. e-Pub 2022. PMID: 35597025.
52. Harada K, Hwang H, Wang X, Abdelhakeem A, Iwatsuki M, Blum Murphy MA, Maru DM, Weston B, Lee JH, Rogers JE, Thomas I, Shanbhag N, Zhao M, Bhutani MS, Nguyen QN, Swisher SG, Ikoma N, Badgwell BD, Hofstetter WL, Ajani JA. Frequency and Implications of Paratracheal Lymph Node Metastases in Resectable Esophageal or Gastroesophageal Junction Adenocarcinoma. Ann Surg 273(4):751-757, 2021. PMID: 31188215.
53. Perri G, Prakash L, Malleo G, Caravati A, Varadhachary GR, Fogelman D, Pant S, Koay EJ, Herman J, Maggino L, Milella M, Kim M, Ikoma N, Tzeng CW, Salvia R, Lee JE, Bassi C, Katz MHG. The Sequential Radiographic Effects of Preoperative Chemotherapy and (Chemo)Radiation on Tumor Anatomy in Patients with Localized Pancreatic Cancer. Ann Surg Oncol 27(10):3939-3947, 2020. PMID: 32266574.
54. Allen CJ, Newhook TE, Vreeland TJ, Das P, Minsky BD, Blum M, Song S, Ajani J, Ikoma N, Mansfield PF, Roy-Chowdhuri S, Badgwell BD. Yield of peritoneal cytology in staging patients with gastric and gastroesophageal cancer. J Surg Oncol 120(8):1350-1357, 2019. PMID: 31612494.
55. Vicente D, Ikoma N, Badgwell BD. ASO Author Reflections: Survival Impacts of Therapy and Complications in Gastric Adenocarcinoma. Ann Surg Oncol 25(Suppl 3):753-754, 2018. PMID: 30374929.
56. Ikoma N, Estrella JS, Hofstetter WL, Ajani JA, Fournier KF, Mansfield PF, Skibber JM, Badgwell BD. Surgeon Assessment of Gastric Cancer Lymph Node Specimens with a Video of Technique. J Gastrointest Surg 22(11):2013-2019, 2018. PMID: 30054780.
57. Ikoma N, Das P, Hofstetter W, Ajani JA, Estrella JS, Chen HC, Wang X, Callender RA, Zhu C, Roland CL, Fournier KF, Cormier JN, Mansfield P, Badgwell BD. Preoperative chemoradiation therapy induces primary-tumor complete response more frequently than chemotherapy alone in gastric cancer: analyses of the National Cancer Database 2006-2014 using propensity score matching. Gastric Cancer 21(6):1004-1013, 2018. PMID: 29730720.
58. Vicente D, Ikoma N, Chiang YJ, Fournier K, Tzeng CD, Song S, Mansfield P, Ajani J, Badgwell BD. Preoperative Therapy for Gastric Adenocarcinoma is Protective for Poor Oncologic Outcomes in Patients with Complications After Gastrectomy. Ann Surg Oncol 25(9):2720-2730, 2018. PMID: 29987602.
59. Ikoma N, Roland CL, Torres KE, Chiang YJ, Wang WL, Somaiah N, Mann GN, Hunt KK, Cormier JN, Feig BW. Salvage Surgery for Recurrent Retroperitoneal Well-Differentiated Liposarcoma: Early Reoperation may not Provide Benefit. Ann Surg Oncol 25(8):2193-2200, 2018. PMID: 29520652.
60. Ikoma N, Estrella JS, Blum M, Das P, Chen HC, Wang X, Fournier K, Mansfield P, Ajani J, Badgwell BD. Central Lymph Node Metastasis in Gastric Cancer Is Predictive of Survival After Preoperative Therapy. J Gastrointest Surg 22(8):1325-1333, 2018. PMID: 29679346.
61. Thiels CA, Ikoma N, Fournier K, Das P, Blum M, Estrella JS, Minsky BD, Ajani J, Mansfield P, Badgwell BD. Repeat staging laparoscopy for gastric cancer after preoperative therapy. J Surg Oncol 118(1):61-67, 2018. PMID: 29878364.
62. Ikoma N, Estrella JS, Hofstetter W, Das P, Minsky BD, Ajani JA, Fournier KF, Mansfield P, Badgwell BD. Nodal Downstaging in Gastric Cancer Patients: Promising Survival if ypN0 is Achieved. Ann Surg Oncol 25(7):2012-2017, 2018. PMID: 29748883.
63. Ikoma N, Hofstetter WL, Estrella JS, Das P, Minsky BD, Fournier KF, Mansfield PF, Ajani JA, Badgwell BD. The ypT category does not impact overall survival in node negative gastric cancer. J Surg Oncol 117(8):1721-1728, 2018. PMID: 29949666.
64. Keung EZ, Ikoma N, Benjamin R, Wang WL, Lazar AJ, Feig BW. The clinical behavior of well differentiated liposarcoma can be extremely variable: A retrospective cohort study at a major sarcoma center. J Surg Oncol 117(8):1799-1805, 2018. PMID: 29723411.
65. Ikoma N, Roland CL, Torres KE, Chiang YJ, Wang WL, Somaiah N, Mann GN, Hunt KK, Cormier JN, Feig BW. Concomitant organ resection does not improve outcomes in primary retroperitoneal well-differentiated liposarcoma: A retrospective cohort study at a major sarcoma center. J Surg Oncol 117(6):1188-1194, 2018. PMID: 29228466.
66. Ikoma N, Roland CL, Cormier JN, Chiang YJ, Torres KE, Hunt KK, You YN, Feig BW. Nongastrointestinal Stromal Tumor Spindle Cell Sarcomas of the Colon or Rectum. Am Surg 84(4):570-575, 2018. PMID: 29712608.
67. Ikoma N, Cloyd J, Badgwell BD, Agnes A, Rodriguez-Bigas M, Ajani JA, You YN. Clinical features and survival of gastric cancer patients with DNA mismatch repair deficiency. J Surg Oncol 117(4):707-709, 2018. PMID: 29228462.
68. Cloyd JM, Chun YS, Ikoma N, Vauthey JN, Aloia TA, Cuddy A, Rodriguez-Bigas MA, Nancy You Y. Clinical and Genetic Implications of DNA Mismatch Repair Deficiency in Biliary Tract Cancers Associated with Lynch Syndrome. J Gastrointest Cancer 49(1):93-96, 2018. PMID: 29238914.
69. Ikoma N, Cormier JN, Feig B, Du XL, Yamal JM, Hofstetter W, Das P, Ajani JA, Roland CL, Fournier K, Royal R, Mansfield P, Badgwell BD. Racial disparities in preoperative chemotherapy use in gastric cancer patients in the United States: Analysis of the National Cancer Data Base, 2006-2014. Cancer 124(5):998-1007, 2018. PMID: 29393964.
70. Ikoma N, Blum M, Estrella JS, Das P, Hofstetter WL, Fournier KF, Mansfield P, Ajani JA, Badgwell BD. Evaluation of the American Joint Committee on Cancer 8th edition staging system for gastric cancer patients after preoperative therapy. Gastric Cancer 21(1):74-83, 2018. PMID: 28643144.
71. Ikoma N, Lee JH, Bhutani MS, Ross WA, Weston B, Chiang YJ, Blum MA, Sagebiel T, Devine CE, Matamoros A, Fournier K, Mansfield P, Ajani JA, Badgwell BD. Preoperative accuracy of gastric cancer staging in patient selection for preoperative therapy: race may affect accuracy of endoscopic ultrasonography. J Gastrointest Oncol 8(6):1009-1017, 2017. PMID: 29299361.
72. Ikoma N, Das P, Blum M, Estrella JS, Devine CE, Wang X, Fournier K, Mansfield P, Minsky BD, Ajani J, Badgwell BD. Preoperative Chemoradiation Therapy Does Not Increase Risk of Anastomotic Leak in Patients With Gastric Cancer. Int J Radiat Oncol Biol Phys 99(3):660-666, 2017. PMID: 29280460.
73. Ikoma N, Blum M, Estrella JS, Wang X, Fournier KF, Mansfield PF, Ajani JA, Badgwell BD. Left Gastric Artery Lymph Nodes Should Be Included in D1 Lymph Node Dissection in Gastric Cancer. J Gastrointest Surg 21(10):1563-1570, 2017. PMID: 28819789.
74. Ikoma N, Chen HC, Wang X, Blum M, Estrella JS, Fournier K, Mansfield P, Ajani J, Badgwell BD. Patterns of Initial Recurrence in Gastric Adenocarcinoma in the Era of Preoperative Therapy. Ann Surg Oncol 24(9):2679-2687, 2017. PMID: 28332034.
75. Ikoma N, Torres KE, Lin HY, Ravi V, Roland CL, Mann GN, Hunt KK, Cormier JN, Feig BW. Recurrence patterns of retroperitoneal leiomyosarcoma and impact of salvage surgery. J Surg Oncol 116(3):313-319, 2017. PMID: 28557016.
76. Ikoma N, You YN, Bednarski BK, Rodriguez-Bigas MA, Eng C, Das P, Kopetz S, Messick C, Skibber JM, Chang GJ. Impact of Recurrence and Salvage Surgery on Survival After Multidisciplinary Treatment of Rectal Cancer. J Clin Oncol 35(23):2631-2638, 2017. PMID: 28657814.
77. Ikoma N, Blum M, Chiang YJ, Estrella JS, Roy-Chowdhuri S, Fournier K, Mansfield P, Ajani J, Badgwell BD. Race Is a Risk for Lymph Node Metastasis in Patients With Gastric Cancer. Ann Surg Oncol 24(4):960-965, 2017. PMID: 27778127.
78. Ikoma N, Blum M, Chiang YJ, Estrella JS, Roy-Chowdhuri S, Fournier K, Mansfield P, Ajani JA, Badgwell BD. Yield of Staging Laparoscopy and Lavage Cytology for Radiologically Occult Peritoneal Carcinomatosis of Gastric Cancer. Ann Surg Oncol 23(13):4332-4337, 2016. PMID: 27384751.
79. Ikoma N, Blum M, Chiang YJ, Estrella JS, Roy-Chowdhuri S, Fournier K, Mansfield P, Ajani JA, Badgwell BD. Survival rates in T1 and T2 gastric cancer: A Western report. J Surg Oncol 114(5):602-606, 2016. PMID: 27439746.
80. Ikoma N, Harvin JA. Technical Report: Laparoscopic repair of traumatic ventral hernia. Clinics in Surgery 1:1123, 2016.
81. Itano O, Oshima G, Minagawa T, Shinoda M, Kitago M, Abe Y, Hibi T, Yagi H, Ikoma N, Aiko S, Kawaida M, Masugi Y, Kameyama K, Sakamoto M, Kitagawa Y. Novel strategy for laparoscopic treatment of pT2 gallbladder carcinoma. Surg Endosc 29(12):3600-7, 2015. PMID: 25740638.
82. Itano O, Oshima G, Kitago M, Suzuki K, Hayatsu S, Shinoda M, Abe Y, Hibi T, Yagi H, Ikoma N, Aiko S, Kitagawa Y. Harness Traction Technique (HARNESS): Novel Method for Controlling the Transection Plane During Laparoscopic Hepatectomy. Surg Laparosc Endosc Percutan Tech 25(4):e117-21, 2015. PMID: 26121541.
83. Ikoma N, Torres KE, Somaiah N, Hunt KK, Cormier JN, Tseng W, Lev D, Pollock R, Wang WL, Feig B. Accuracy of preoperative percutaneous biopsy for the diagnosis of retroperitoneal liposarcoma subtypes. Ann Surg Oncol 22(4):1068-72, 2015. PMID: 25354575.
84. Itano O, Ikoma N, Takei H, Oshima G, Kitagawa Y. The superficial precoagulation, sealing, and transection method: a "bloodless" and "ecofriendly" laparoscopic liver transection technique. Surg Laparosc Endosc Percutan Tech 25(1):e33-6, 2015. PMID: 24752166.
85. Ikoma N, Itano O, Oshima G, Kitagawa Y. Laparoscopic liver mobilization: tricks of the trade to avoid complications. Surg Laparosc Endosc Percutan Tech 25(1):e21-3, 2015. PMID: 25370795.
86. Ikoma N, Itano O, Oshima G, Chiba N, Maeda S, Koyama Y, Aiko S, Kitagawa Y. Age-specific determinants of the safety of laparoscopic colectomy in elderly patients with colorectal cancer. Am Surg 80(4):E105-7, 2014. PMID: 24887652.
87. Ikoma N, Itano O, Oshima G, Shah SK, Fukuhara S, Kitagawa Y. Laparoscopic hepatectomy is easier in repeat hepatectomy. CRSLS:202, 2014.

Invited Articles

1. Hirata Y, Alambeigi F, Ikoma N. ASO Author Reflections: Evolution of Surgical Techniques Through Robotic Surgery Technology. Ann Surg Oncol 30(5):2960-2961, 2023. e-Pub 2023. PMID: 36820937.
2. Concors SJ, Katz MHG, Ikoma N. Minimally Invasive Pancreatectomy: Robotic and Laparoscopic Developments. Surg Oncol Clin N Am 32(2):327-342, 2023. PMID: 36925189.
3. Hirata Y, Tzeng CD, Ikoma N. ASO Author Reflections: Value of Robotic Surgery in the Era of Opioid Crisis. Ann Surg Oncol 29(9):5871-5872, 2022. e-Pub 2022. PMID: 35538175.
4. Hirata Y, Witt RG, Prakash LR, Arvide EM, Robinson KA, Gottumukkala V, Tzeng CD, Mansfield P, Badgwell BD, Ikoma N. ASO Visual Abstract: Analysis of Opioid Use in Patients Undergoing Open Versus Robotic Gastrectomy. Ann Surg Oncol 29(9):5873-5874, 2022. e-Pub 2022. PMID: 35771369.
5. Allen CJ, Smith GL, Prakash L, Volk RJ, Ikoma N, Aloia TA, Gottumukkala V, Katz MHG. ASO Visual Abstract: What is "Value"? Results of a Survey of Cancer Patients and Providers. Ann Surg Oncol. e-Pub 2022. PMID: 35430655.
6. Ikoma N, Lee JE, Katz MHG. ASO Author Reflections: Accelerating the Learning Curve of Robotic Pancreatectomy and Gastrectomy Through a Composite Robotic Foregut Surgical Oncology Program. Ann Surg Oncol 29(1):286-287, 2022. PMID: 34595667.
7. Ikoma N. ASO Author Reflections: Fluorescent-Image Guidance in Surgical Oncology. Ann Surg Oncol 27(13):5323-5324, 2020. PMID: 32382896.
8. Ikoma N, Feig BW. ASO Author Reflections: Recurrent Retroperitoneal Well-Differentiated Liposarcoma. Ann Surg Oncol 26(Suppl 3):543-544, 2019. PMID: 30556116.
9. Ikoma N, Mansfield P. ASO Author Reflections: Challenges in Centralization and Standardization of Gastrectomy in the United States to Improve Gastric Cancer Outcomes. Ann Surg Oncol 26(Suppl 3):770-771, 2019. PMID: 31605331.
10. Stark AP, Ikoma N, Badgwell BD. ASO Author Reflections: In Gastric Cancer Patients with Primary Tumor Pathologic Complete Response, Treatment-Refractory Nodal Disease is an Ominous Sign. Ann Surg Oncol 26(Suppl 3):819-820, 2019. PMID: 31667726.
11. Ikoma N, Badgwell BD. ASO Author Reflections: Nodal Downstaging in Gastric Cancer. Ann Surg Oncol 25(Suppl 3):751-752, 2018. PMID: 30353393.
12. Balch CM, McMasters KM, Klimberg VS, Pawlik TM, Posner MC, Roh M, Tanabe KK, Whippen D, Ikoma N. Steps to Getting Your Manuscript Published in a High-Quality Medical Journal. Ann Surg Oncol 25(4):850-855, 2018. PMID: 29349528.
13. Ikoma N, Araujo DM, Roland CL. The Hereditary Paraganglioma-Pheochromocytoma Syndrome: No Time to Waste-Reply. JAMA Oncol 3(12):1740, 2017. PMID: 28837712.
14. Ikoma N, Raghav K, Chang G. An Update on Randomized Clinical Trials in Metastatic Colorectal Carcinoma. Surg Oncol Clin N Am 26(4):667-687, 2017. PMID: 28923224.
15. Ikoma N, Badgwell BD, Mansfield PF. Multimodality Treatment of Gastric Lymphoma. Surg Clin North Am 97(2):405-420, 2017. PMID: 28325194.
16. Ikoma N, Rodriguez-Bigas M. Managing the primary tumor with unresectable synchronous colorectal metastases. Current Colorectal Cancer Reports 12:170-79, 2016.

Other Articles

1. Santamaria J, Buryanek J, Ikoma N Large Epigastric Cystic Lesion in a Pregnant Woman. JAMA Oncol 3(4):557-558, 2017. PMID: 28114457.
2. Ikoma N, Santamaria J, Wray CJ, Al-Ibraheemi A. Tsao K Ganglioneuroma of the pancreas in a 4-year-old girl. BMJ Case Rep doi: 10.1136/bcr-2016-217425, 2016. PMID: 27873762.
3. Ikoma N, Vaporciyan A Sternal metastasis of renal cell carcinoma: the role of metastasectomy. Journal of Thoracic and Cardiovascular Surgery 148(5):e230-1, 2014. PMID: 25152477.
4. Ikoma N, Fischer UM, Covinsky M, Quesada AE, Gomez R, McCray C, Warner NB, Ko TC Ileal perforation in a young female with Churg-Strauss Syndrome. The American Surgeon 80(1):94-6, 2014.
5. Ikoma N, Anderson C, Ohanian M, Jenuja H, MacFadyen B, Shah SK, Bajwa K Portal vein thrombosis after laparoscopic cholecystectomy: Case presentation and review of a rare complication. The Annals of Thoracic Surgery 18(1):125-7, 2014.
6. Fukuhara S, Montgomery M, Ikoma N, Miyata R Pylorus-preserving pancreaticoduodenectomy following coronary artery bypass grafting using right gastroepiploic artery. The Annals of Thoraci Surgery 97(4):1447-9, 2014.
7. Ikoma N, Karahashi T, Wray C, Takei H, Hosoda Y Ultrasound-guided intraoperative transduodenal pancreatic head biopsy – A safe and effective procedure to exclude malignancy in obstructive jaundice patients. The American Surgeon 79(12):357-9, 2013.
8. Ikoma N, Itano O, Fuchimoto Y, Du W, Kitagawa Y Colonic Perforation in a Case of Adult Hirschsprung's Disease with Acetylcholinesterase-Negative Neuronal Fibers. The American Surgeon 79(3):130-2, 2013.
9. Ikoma N, Shinozaki H, Kozuki A, Ibuki S, Sugano K, Mukai M, Masuda Y, Kobayashi K, Ogata Y A case report of hepatocellular carcinoma in a noncirrhotic patient with liver iron overload associated with myelodysplastic syndrome. World Journal of Oncology 4(6):248-251, 2013.
10. Kozuki A, Shinozaki H, Ikoma N, Kobayashi K, Ogata Y, Mukai M A rare case of superior mesenteric artery aneurysm caused by segmental arterial mediolysis with concomitant left renal angiomyolipoma and pulmonary lymphangioleiomyomatosis. Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) 70(6):1701-6, 2009.

Editorials

1. Ikoma N, Katz MHG. Improving Outcomes After Distal Pancreatectomy with Celiac Axis Resection (DP-CAR): As Always, it is All About Patient Selection. Ann Surg Oncol 26(3):703-704, 2019. PMID: 30539493.

Abstracts

1. Hirata Y, Mansfield P, Badgwell BD, Ikoma N. Evidence-Based Surgical Approach to Gastroesophageal Junction Cancer: How We Do Robotic Transhiatal Lower Mediastinal Dissection and Esophagojejunostomy. Ann Surg Oncol. e-Pub 2023. PMID: 36658247.
2. Kaseb AO, Pestana RC, Vence LM, Blando JM, Singh S, Ikoma N, Vauthey J-N, Allison JP, Sharma P. Early postoperative drain fluid amylase in risk stratified patients: Implications for tailored post pancreatectomy drain management. 2019 Annual Meeting of the American Hepato-Pancreato-Biliary Association, Miami Beach, FL, 2019.
3. Ikoma N, Hofstetter W, Ajani JA, Estrella J, Das P, Fournier K, Mansfield P, Badgwell BD. The ypT Category Does Not Impact Overall Survival in Node Negative Gastric Cancer. The 91st Annual Meeting of The Japanese Gastric Cancer Association, 2019.
4. Kaseb AO, Pestana RC, Vence LM, Blando JM, Singh S, Ikoma N, Vauthey J-N, Allison JP, Sharma P. Randomized, open-label, perioperative phase II study evaluating nivolumab alone versus nivolumab plus ipilimumab in patients with resectable HCC. ASCO-SITC Clinical Immuno-Oncology Symposium, San Francisco, CA, 2019.
5. Kaseb AO, Pestana RC, Vence LM, Blando JM, Singh S, Ikoma N, Vauthey JN, Allison JP, Sharma P. Randomized, open-label, perioperative phase II stufy evaluating nivolumab alone versus nivolumab plus ipilimumab in patients with resectable HCC. Oral Presentation, ASCO-SITC Clinical Immuno-Oncology Symposium, San Francisco, CA, 2019.
6. Kaseb AO, Pestana RC, Vence LM, Blando JM, Singh S, Ikoma N, Vauthey J-N, Allison JP, Sharma P. Randomized, open-label, perioperative phase II study evaluating nivolumab alone versus nivolumab plus ipilimumab in patients with resectable HCC. Gastrointestinal Cancers Symposium (ASCO-GI), San Francisco, CA, 2019.
7. Mitchell KG, Ikoma N, Nelson DB, Maru DM, Erasmus JJ, Vaporciyan AA, Antonoff MB, Mehran RJ, Rice DC, Roth JA, Swisher SG, Sepesi B, Walsh GL, Correa AM, Badgwell BD, Hofstetter WL. Predictors of mediastinal involvement after neoadjuvant chemoradiation in adenocarcinoma of the gastroesophageal junction. Southern Thoracic Surgical Association 65th Annual Meeting, 2018.
8. Ikoma N, Agnes A, Chen HC, Wang X, Blum MM, Das P, Minsky B, Estrella JS, Mansfield P, Ajani JA, Badgwell BD. Linitis Plastica: A Distinct Type of Gastric Cancer That Needs a Clear Definition. Poster presentation, Western Surgical Association 2019 Annual Meeting, Los Cabos, Mexico, 2018.
9. Ikoma N, Das P, Ajani JA, Estrella JS, Chen HC, Wang X, Roland CL, Fournier KF, Cormier JN, Mansfield P, Badgwell BD. Preoperative Chemoradiation Therapy Induces Primary-tumor Complete Response More Frequently Than Chemotherapy Alone in Gastric Cancer. Oral poster presentation. The 118th Annual Congress of Japan Surgical Society, Tokyo, Japan, 2018.
10. Ikoma N, Estrella JS, Hofstetter W, Ajani JA, Fournier K, Mansfield P, Skibber JM, Badgwell BD. Surgeon Assessment of Gastric Cancer Lymph Node Specimens. Oral presentation, Society of Surgical Oncology 71st Annual Cancer Symposium, Chicago, IL, 2018.
11. Ikoma N, Estrella JS, Hofstetter W, Das P, Ajani JA, Fournier K, Mansfield P, Badgwell BD. Nodal Downstaging in Gastric Cancer: Promising Survival if ypN0 Is Achieved. Oral presentation (Plenary session), Awarded Best Clinical Research Paper. Society of Surg Oncology 71th Annual Cancer Symposium, Chicago, IL, 2018.
12. Vicente D, Ikoma N, Chiang YJ, Fournier K, Mansfield P, Ajani AJ, Badgwell BD. Preoperative Therapy for Gastric Adenocarcinoma is Protective for Poor Oncologic Outcomes in Patients with Complications after Gastrectomy. Accepted for oral presentation. Society of Surgical Oncology 71th Annual Cancer Symposium, Chicago, IL, 2018.
13. Ikoma N, Cormier, JN, Feig B, Du XL, Yamal JM, Hofstetter W, Das P, Ajani JA, Roland C, Fournier K, Royal R, Mansfield P, Badgwell BD. Racial Disparities in Preoperative Chemotherapy Use in Gastric Cancer Patients in the United States. Oral presentation. The 13th Annual Academic Surgical Congress, Jacksonville, Florida, 2018.
14. Ikoma N, Estrella JS, Hofstetter W, Das P, Ajani JA, Fournier KF, Mansfield P, Badgwell BD. Nodal downstaging in gastric cancer in relation to survival when ypN0 is achieved. Poster presentation. Gastrointestinal Cancers Symposium, San Francisco, California, 2018.
15. Vicente D, Ikoma N, Chiang YJ, Fournier K, Mansfield P, Ajani AJ, Badgwell BD. Preoperative Therapy for Gastric Adenocarcinoma is Protective for Poor Oncologic Outcomes in Patients with Complications after Gastrectomy. Poster presentation. Gastrointestinal Cancers Symposium, San Francisco, California, 2017.
16. Ikoma N, Das P, Ajani JA, Estrella JS, Chen HC, Wang X, Roland CL, Fournier KF, Cormier JN, Mansfield P, Badgwell BD. Preoperative Chemoradiation Therapy Induces Primary-tumor Complete Response More Frequently Than Chemotherapy Alone in Gastric Cancer. Oral presentation. Western Surgical Association 2017 Annual Meeting, 2017.
17. Keung E, Ikoma N, Benjamin R, Wang WL, Lazar A, Feig BW. Fifty Shades of Yellow: Not All Well Differentiated Liposarcoma Are Created Equal – The Clinical Behavior of WDLPS Can Be Extremely Variable. Poster presentation. The 22nd Annual Meeting of the Connective Tissue Oncology Society, Maui, Hawaii, 2017.
18. Ikoma N, Blum M, Estrella JS, Fournier K, Mansfield P, Ajani J, Badgwell B. Preoperative Chemoradiation Therapy Does Not Increase Risk of Anastomotic Leak in Gastric Cancer Patients. Oral Presentation. Digestive Disease Week, Chicago, IL, 2017.
19. Ikoma N, Blum M, Estrella JS, Fournier K, Mansfield P, Ajani J, Badgwell B. Left Gastric Artery Lymph Nodes Should Be Included in D1 Lymph Node Dissection in Gastric Cancer. Poster Presentation. Digestive Disease Week, Chicago, IL, 2017.
20. Ikoma N, Chen SC, Wang X, Blum M, Estrella JS, Fournier K, Mansfield P, Ajani J, Badgwell B. Effect of Preoperative Therapy on Recurrence Sites and Survival of Gastric Cancer. Oral Presentation. Awarded Traveler’s Grant/Young Investigator Award. The 117th Annual Congress of Japan Surgical Society, Yokohama, Japan, 2017.
21. Ikoma N, Roland CL, Chiang YJ, Torres KE, Cormier JN, Somaiah N, Hunt KK, Feig BW. Timing and Extent of Surgical Resection for Recurrent Retroperitoneal Well-Differentiated Liposarcoma. Poster presentation. Society of Surgical Oncology 70th Annual cancer Symposium, Seattle, Washington, 2017.
22. Ikoma N, Estrella JS, Blum M, Chen SC, Wang X, Fournier K, Mansfield P, Ajani J, Badgwell B. Impact of Central Lymph Node Examination in Gastric Cancer. Poster Presentation. Society of Surgical Oncology 70th Annual cancer Symposium, Seattle, Washington, 2017.
23. Ikoma N, Chen SC, Wang X, Blum M, Estrella JS, Fournier K, Mansfield P, Ajani J, Badgwell B. Recurrence Patterns of Gastric Cancer In the Era of Preoperative Therapy. Poster Presentation. Gastrointestinal Cancers Symposium, San Francisco, California, 2017.
24. Ikoma, N, Estrella JS, Blum M, Chen SC, Wang X, Fournier K, Mansfield P, Ajani J, Badgwell B.. Lymph Node Metastasis in Gastric Cancer – Location of Positive Station Predicts Survival After Preoperative Therapy. Poster Presentation. Gastrointestinal Cancers Symposium, San Francisco, California, 2017.
25. Ikoma N, Roland CL, Chiang YJ, Torres KE, Hunt KK, Mann GN, Cormier JN, Feig BW. Does Extended Surgical Resection Improve Outcomes in Primary Retroperitoneal Well-differentiated Liposarcoma?. Poster presentation. The 21st Annual Meeting of the Connective Tissue Oncology Society, Lisbon, Portugal, 2016.
26. Ikoma N, Blum M, Ajani J, Chiang Y, Fournier K, Mansfield P, Badgwell B. Lymph Node Metastasis Frequency and Survival in pT1T2 Gastric Cancer: A Western Report. Oral presentation. Awarded Traveler's Grant/Young Investigator Award. The 116th Annual Congress of Japan Surgical Society, Osaka, Japan, 2016.
27. Ikoma N, Elimova E, Blum M, Ajani J, Chiang Y, Fournier K, Mansfield P, Badgwell B. Yield of Staging Laparoscopy in Gastric Cancer. Selected as one of the five finalists for the Poster Contest in Best Clinical Research Poster category. Society of Surgical Oncology 69th Annual cancer Symposium, Boston, Massachusetts, 2016.
28. Ikoma N, Elimova E, Blum M, Ajani J, Chiang Y, Fournier K, Mansfield P, Badgwell B. Race is a Risk for Lymph Node Metastasis in Early T Stage Gastric Cancer. Poster presentation. Society of Surgical Oncology 69th Annual cancer Symposium, Boston, Massachusetts, 2016.
29. Ikoma N, Watson K, Roland C, Hunt K, Cormier J, Mann G, Ravi V, Torres K, Feig B. Recurrence Patterns and Impact of Salvage Recurrence Patterns and Impact of Salvage Surgery for Leiomyosarcoma in the RetroperitoneumSurgery for Leiomyosarcoma in the Retroperitoneum. Poster presentation. Society of Surgical Oncology 69th Annual cancer Symposium, Boston, Massachusetts, 2016.
30. Ikoma N, Elimova E, Blum M, Ajani J, Chiang Y, Fournier K, Mansfield P, Badgwell B. Staging Laparoscopy with Cytology Analysis in gastric Cancer. Poster Presentation. Gastrointestinal Cancers Symposium, San Francisco, California, 2016.
31. Ikoma N, Elimova E, Blum M, Ajani J, Chiang Y, Fournier K, Mansfield P, Badgwell B. Survival in T1T2 Gastric Cancer. Poster Presentation. Gastrointestinal Cancers Symposium, San Francisco, California, 2016.
32. Ikoma N, Landers S, Watson K, Al Sannaa G, Ingram D, Wang W, Lazar A, Somaiah N, Roland C, Cormier J, Hunt K, Feig B, Torres K.. Clinicopathologic Comparison of Retroperitoneal Undifferentiated Pleomorphic Sarcoma and Dedifferentiated Liposarcoma. Poster Presentation: Selected for Poster Grand Rounds. Society of Surgical Oncology 68th Annual Cancer Symposium, Houston, Texas, 2015.
33. Orr WS, Watson K, Feig R, Ikoma N, De Rosa N, Giacco G, Ravi V, Benjamin R, Madewell JE, Cormier JN, Hunt KK, Roland CL, Feig BW, Torres KE. Is F-18 Fluoro-2-deoxy-D-glucose Positron Emission Tomography (FDG-PET/CT) of Value in Soft Tissue Sarcoma Management?. Poster Presentation. Society of Surgical Oncology 68th Annual Cancer Symposium, Houston, Texas. March 2015, 2015.
34. Ikoma N. What Young Surgeons Learn From Surgical Residency in The United States. The 76th Annual Congress of Japanese Surgical Association, 2014.
35. Ikoma N, Torres K, Somaiah N, Hunt K, Cormier J, Tseng W, Lev D, Pollock R, Feig B. Accuracy of Percutaneous Biopsy for Retroperitoneal Liposarcoma. Poster Presentation. Selected for Oral Presentation at Poster Grand Rounds. Society of Surgical Oncology 67th Annual Cancer Symposium, Phoenix, Arizona, 2014.
36. Ikoma N, Torres K, Cormier J, Hunt K, Yu N, Feig B. Spindle Cell Tumors of the Colon and Rectum. Poster Presentation. Society of Surgical Oncology 67th Annual Cancer Symposium, Phoenix, Arizona, 2014.
37. Fukuhara S, Montgomery M, Ikoma N, Miyata R. Modified Surgical Technique for Pancreaticoduodenectomy following Coronary Artery Bypass Grafting using an in situ Right Gastroepiploic Artery. Oral Presentation. Society of Surgical Oncology 67th Annual Cancer Symposium, Phoenix, Arizona, 2014.
38. Ikoma N. Laparoscopic liver mobilization - tricks of the trade to avoid complications. 2014 annual meeting of Americas Hepato-Pancreato-Biliary Association, Miami, Florida, 2014.
39. Ikoma N. Ultrasound guided intraoperative transduodenal pancreatic head biopsy - technical note. 2014 Annual meeting of Americas Hepato-Pancreato-Biliary Association, Miami, Florida, 2014.
40. Ikoma N, Itano O, Fukuhara S, Kitagawa Y. Safety and Efficacy of Laparoscopic Colectomy on Elderly Colon Cancer Patients: Age Specific Outcomes of Laparoscopic Colectomy. Poster Presentation. The 11th Annual Meeting of the International Society of Gastrointestinal Oncology, Washington DC, 2013.
41. Ikoma N, Itano O, Oshima G, Fukuhara S, Kitagawa Y. Superficial Pre-coagulation, Sealing and Transection (SPST) Method: A Bloodless and Eco-friendly Laparoscopic Liver Transection Technique. Poster Presentation. Society of American Gastrointestinal and Endoscopic Surgeons 2013 Annual Meeting, Baltimore, Maryland, 2013.
42. Ikoma N, Karahashi T, Shimizu K, Inoue Y, Uchida H, Yoshimizu N, Seki M, Sakurai T, Nakajima K, Hashimoto M, Hosoda Y.. A case of gallbladder SCC with invasion to liver, pancreas, and right colon, who underwent hapato-pancreato-duodenectomy and right colectomy. Oral presentation. 2011 Annual Meeting of Tokyo Surgical Society, Tokyo, Japan, 2011.
43. Ikoma N, Yoshimizu N, Inoue Y, Uchida H, Seki M, Karahashi T, Sakuai T, Nakajima K, Hashimoto M, Hosoda Y. A case with concurrent esophageal and gastric cancer; complete response after 2 cycles of DCS therapy. Poster presentation. The 48th Annual Meeting of the Japan Society of Clinical Oncology, Kyoto, Japan, 2010.
44. Ikoma N, Karahashi T, Inoue Y, Uchida H, Yoshimizu N, Seki M, Sakurai T, Nakajima K, Hashimoto M, Hosoda Y, Shimizu K, Hosoda Y. Oral presentation. 2010 Annual Meeting of Saitama Surgical Society, Saitama, Japan. A case of tumor-forming pancreatitis for whom intraoperative pancreatic biopsy was useful, 2010.
45. Ikoma N, Itano O, Maeda S, Ishikawa H, Koyama Y, Kitagawa Y. Effectiveness of laparoscopic colectomy for the elderly - Age specific postoperative morbidity and mortality of 32 cases. Oral Presentation. The 112th Annual Congress of Japan Surgical Society, Aichi, 2010.
46. Ikoma N, Itano O, Maeda S, Ishikawa H, Koyama Y, Kitagawa Y. Three remote laparoscopic hepatectomies for recurrent HCC. Oral presentation. The 21st Annual Meeting of the Japan Society of Endoscopic Surgery, Tokyo, Japan, 2009.
47. Ikoma N, Ishikawa H, Maeda S, Itano O, Koyama Y. A case report; Colonic perforation in a case of Adult Hirschsprung’s disease with AChE negative neuronal fibers. Oral presentation. Annual Congress of Japan Surgical Association, Kyoto, Japan, 2009.
48. Ikoma N, Ishikawa H, Maeda S, Itano O, Koyama Y. A case report; Perforated Intersusception of ileocecal cancer. Oral Presentation. 2009 Annual Meeting of Tokyo Surgical Society, Tokyo, Japan, 2009.
49. Ikoma N, Shinozaki H, Kozuki A, Ibuki S, Sugano K, Mukai M, Masuda Y, Kobayashi K, Ogata Y. A case report; HCC arising in non-cirrhotic liver of hemochromatosis patient. Oral Presentation. The 108th Annual Congress of Japan Surgical Society, Nagasaki, Japan, 2008.

Book Chapters

1. Hirata Y, Mansfield P, Ikoma N. Management of the positive proximal margin in Siewert II and III gastroesophageal junction cancer. In: . In: Difficult Decisions in Surgery: An Evidence-Based Approach. Springer, 567–578, 2023.
2. Ikoma N, Roland CL, Feig BW. Soft Tissue and Bone Sarcoma. In: The MD Anderson Surgical Oncology Handbook. Sixth. Wolters Kluwer: Philadelphia, 143-171, 2018.
3. Egger ME, Ikoma N, Badgwell BD. Primary Gastric Malignancies. In: The MD Anderson Surgical Oncology Handbook. Sixth. Wolters Kluwer: Philadelphia, 235-268, 2018.