Raul F Valenzuela Perez, MD

Peer-Reviewed Articles

1. Patel RR, Feit J, Werling G, White NM, Bishop AJ, Lin PP, Valenzuela Perez RF, Lazar AJ, Benjamin RS, Patel SR, Ludwig J, Ravi V, Livingston JA, Zarzour MA, Conley A, Somaiah N, Araujo DM. Primary Synovial Sarcoma of the Abdomen and Pelvis. Am J Clin Oncol 49(7):309-316, 2026. e-Pub 2026. PMID: 41342607.
2. Valenzuela Perez RF, Duran-Sierra E, Hwang K-P, Ma J, Canjirathinkal M, Espinoza-Figueroa J, Askari A, Valenzuela P, Lo S, Madewell JE, Murphy Jr WA, Stafford J, Yadav N, Wu C, Amini B, Fung M, Costelloe CM. Beyond radiologic perception: A pilot quantitative and radiomic comparison between zero-echo-time MRI and CT in oncologic metastatic screening. J Radiol Oncol 10(1):009-015, 2026. e-Pub 2026.
3. Kumar R, Hwang S, Antony M, Valenzuela RFP, Kumar M. Musculoskeletal myeloid sarcoma: Clinical, imaging, management, and outcomes in 41 adult patients. J Comput Assist Tomogr 50(1):133-143, 2026. e-Pub 2025. PMID: 40758381.
4. Amini B, Valenzuela Perez RF, Duran-Sierra E, Antony M, Costelloe CM, Nassif Haddad EF, Lo SLH, Valenzuela PV, Madewell J, Espinoza JV, Murphy Jr WA. Pilot study on leiomyosarcoma of the soft tissues: Advanced imaging features to predict response to neo-adjuvant therapy. J Radiol Oncol 9(3):075-084, 2025. e-Pub 2025.
5. Valenzuela Perez RF, Duran-Sierra E, Antony M, Lo S, Amini B, Torres KE, Araujo D, Benjamin RS, Ma J, Hwang KP, Stafford RJ, Wu C, Madewell J, Espinoza JV, Murphy Jr WA, Cueto A, Valenzuela PV, Miranda-Zarate C, Costelloe CM. Pilot study evaluating multiparametric MRI (mp-MRI) including contrast-enhanced susceptibility imaging (CE-SWI) in predicting pathology treatment response in rhabdomyosarcoma. J Radiol Oncol 9(3):62-74, 2025. e-Pub 2025.
6. Valenzuela RF, Duran-Sierra E, Antony M, Amini B, Lo S, Torres KE, Hwang K, Ma J, Stafford RJ, Ratan R, Madewell JE, Araujo D, Murphy Jr WA, Costelloe CM. A follow-up study on the novel use of contrast-enhanced susceptibility-weighted imaging for extremity desmoid fibromatosis response assessment. Sci Rep 1(15):20515, 2025. e-Pub 2025. PMID: 40594237.
7. Valenzuela RF, Duran‑Sierra E, Antony M, Amini B, Lo S, Torres KE, Benjamin RS, Ma J, Hwang K, Staford RJ, Araujo D, Bishop AJ, Ratan R, Wang W, Espinoza J, Valenzuela PV, Wu C, Madewell JE, Murphy Jr WA, Costelloe CM. Building a pre-surgical multiparametric- MRI-based morphologic, qualitative, semiquantitative, first and high-order radiomic predictive treatment response model for undifferentiated pleomorphic sarcoma to replace RECIST. Cancer Imaging 25(56):1-15, 2025. e-Pub 2025. PMID: 40281609.
8. Valenzuela RF, Duran Sierra EJ, Canjirathinkal MA, Amini B, Hwang KP, Ma J, Torres KE, Stafford RJ, Wang WL, Benjamin RS, Bishop AJ, Madewell JE, Murphy WA, Costelloe CM. Novel use and value of contrast-enhanced susceptibility-weighted imaging morphologic and radiomic features in predicting extremity soft tissue undifferentiated pleomorphic sarcoma treatment response. JCO Clin Cancer Inform 9:e2400042, 2025. e-Pub 2025. PMID: 39841956.
9. Valenzuela RF, Duran-Sierra E, Canjirathinkal M, Amini B, Torres KE, Benjamin RS, Ma J, Wang WL, Hwang KP, Stafford RJ, Wu C, Zarzour AM, Bishop AJ, Lo S, Madewell JE, Kumar R, Murphy WA Jr, Costelloe CM. Perfusion-weighted imaging with dynamic contrast enhancement (PWI/DCE) morphologic, qualitative, semiquantitative, and radiomics features predicting undifferentiated pleomorphic sarcoma (UPS) treatment response. Sci Rep 14(1):21681, 2024. e-Pub 2024. PMID: 39289469.
10. Valenzuela RF, Duran-Sierra E, Canjirathinkal M, Amini B, Torres KE, Benjamin RS, Ma J, Wang WL, Hwang KP, Stafford RJ, Wu C, Zarzour AM, Bishop AJ, Lo S, Madewell JE, Kumar R, Murphy Jr WA, Costelloe CM. Radiomics by quantitative diffusion-weighted MRI for predicting response in patients with extremity soft-tissue undifferentiated pleomorphic sarcoma. J Radiol Oncol 8(2):064-071, 2024. e-Pub 2024.
11. Valenzuela RF, Duran-Sierra E, Canjirathinkal MA, Amini B, Ma J, Hwang KP, Stafford RJ, Torres KE, Zarzour MA, Livingston JA, Madewell JE, Murphy WA, Costelloe CM. Contrast-enhanced susceptibility weighted imaging (CE-SWI) for the characterization of musculoskeletal oncologic pathology: a pictorial essay on the initial five-year experience at a cancer institution. J Radiol Oncol 8(1):030-045, 2024. e-Pub 2024.
12. Sierra ED, Valenzuela R, Canjirathinkal MA, Costelloe CM, Moradi H, Madewell JE, Murphy WA, Amini B. Cancer radiomic and perfusion imaging automated framework: validation on musculoskeletal tumors. JCO Clin Cancer Inform 8:e2300118, 2024. e-Pub 2024. PMID: 38181324.
13. Valenzuela RF, De-Camino M, Tavera A, Sánchez J, Valenzuela PV, Canjirathinkal M, Durán EDJ. Idiopathic intracranial hypertension: cranial magnetic resonance imaging findings correlation with direct venous sinus pressure measurements. Rev Chil Radiol 29(4):1-8, 2023. e-Pub 2023.
14. Valenzuela RF, Duran Sierra E, Canjirathinkal MA, Costelloe CM, Madewell JE, Murphy WA, Amini B. Early results in the novel use of contrast-enhanced susceptibility-weighted imaging in the assessment of response and progression in desmoid fibromatosis: A pilot study in a specialized cancer institution. Tumor Discov 2(3):1-9, 2023. e-Pub 2023.
15. Amini B, Chenglei L, Duran-Sierra E, Wang WL, Canjirathinkal MA, Moradi H, Green WN, Madewell JE, Costelloe CM, Murphy WA, Valenzuela RF. Role of apparent diffusion coefficient map-based first-and high-order radiomic features for the discrimination of sacral chordomas and chondrosarcomas with overlapping conventional imaging features. JCO Precis Oncol 7(7):e2300243, 2023. e-Pub 2023. PMID: 38127828.
16. Valenzuela RF, Amini B, Duran-Sierra E, Canjirathinkal MA, Madewell JE, Costelloe CM, Murphy WA. Multiparametric MRI for the assessment of treatment effect and tumor recurrence in soft-tissue sarcoma of the extremities. J Radiol Oncol 7(3):058-065, 2023. e-Pub 2023.
17. Amini B, Valenzuela RF, Bird JE, Haygood TM. Osteoid Tumors of Bone. Semin Ultrasound CT MR 42(2):134-149, 2021. e-Pub 2021. PMID: 33814101.
18. Valenzuela RF, Kundra V, Madewell JE, Costelloe CM. Advanced imaging in Musculoskeletal oncology: Moving away from RECIST and embracing advanced bone and soft tissue tumor imaging (ABASTI) - Part I - tumor response criteria and established functional imaging techniques. Semin Ultrasound CT MR 42(2):201-214, 2021. e-Pub 2021. PMID: 33814106.
19. Valenzuela RF, Madewell JE, Kundra V, Costelloe CM. Advanced Imaging in Musculoskeletal Oncology: Moving away from RECIST and embracing advanced bone and soft tissue tumor imaging (ABASTI)—Part II—novel functional imaging techniques. Semin Ultrasound CT MR 42(2):215-227, 2021. e-Pub 2021. PMID: 33814107.
20. Saleh M, Virarkar M, Bura V, Valenzuela R, Javadi S, Szklaruk J, Bhosale P. Intrahepatic cholangiocarcinoma: pathogenesis, current staging, and radiological findings. Abdom Radiol (NY) 45(11):3662-3680, 2020. e-Pub 2020. PMID: 32417933.
21. Mujtaba B, Call C, Rowland F, Spear RP, Amini B, Valenzuela R, Nassar S. Desmoid fibromatosis following surgical resection of spinal meningioma. Radiol Case Rep 15(6):697-701, 2020. e-Pub 2020. PMID: 32280401.
22. Hwang K, Valenzuela RF, Amini B, Stafford R. 3D acquisition and reconstruction protocol for lumbar spine imaging. American Association of Physicists in Medicine 60th Annual Meeting and Exhibition, 2018. e-Pub 2018.
23. Arevalo OJ, Valenzuela RF, Esquenazi Y, Rao M, Tran B, Zhu J, Bhattacharjee M, Fonseca P, Doyle N, Riascos RF. The 2016 World Health Organization classification of tumors of the central nervous system: A practical approach for gliomas, Part 1. Basic tumor genetics. Neurographics 7(5):334-343, 2017. e-Pub 2017.
24. Arevalo OJ, Valenzuela RF, Esquenazi Y, Rao M, Tran B, Zhu J, Bhattacharjee M, Doyle N, Riascos RF. The 2016 World Health Organization classification of tumors of the central nervous system: A practical approach for gliomas, Part 2. Isocitrate dehydrogenase status - imaging correlation. Neurographics 7(5):344-349, 2017. e-Pub 2017.
25. Valenzuela RF, Arevalo O, Tavera A, Riascos R, Bonfante E, Patel R. Images of Gadolinium Deposition in the Central Nervous System. Rev Chil Rad 23(2):59-65, 2017. e-Pub 2017.
26. Wangaryattawanich P, Chavali LS, Shah KB, Gogia B, Valenzuela RF, DeMonte F, Kumar AJ, Hayman LA. Reformatierte kontrastverstärkte MRT-Aufnahmen zur präoperativen Beurteilung der Brückenvenen an der Schädelbasis. Neuroradiologie Scan 6(2):157-174, 2016. e-Pub 2016.
27. Wangaryattawanich P, Chavali LS, Shah KB, Gogia B, Valenzuela RF, DeMonte F, Kumar AJ, Hayman LA. Contrast-enhanced reformatted MR images for preoperative assessment of the bridging veins of the skull base. Radiographics 36(1):244-57, 2016. e-Pub 2016. PMID: 26761539.
28. Valenzuela RF, Ginsberg L, Shatzkes D, Michel M, Loevner L, Hanna E, Tavera A, Riascos R. Dural metastases: a form of recurrence in uncommon sino nasal malignancies. Rev Chil Radiol 22(4):164-170, 2016. e-Pub 2016.
29. Muñoz C, Maira C, Gómez F, Stambuk J, Valenzuela R, Etchart M, Gallegos I. Fibrosis retroperitoneal: Caso clínico y revisión de la literatura. Gastr Latinoam 17(1):79-85, 2006. e-Pub 2006.
30. Valenzuela RF, Catalan TMH. Panskeletal bone screening: bone marrow study with MRI using T1 sequences (SORM). Rev Chil Radiol 10(1):16-21, 2004. e-Pub 2004.
31. Valenzuela RF, Ebensperguer E. Skull base: Anatomy and tumor spread pathways. Rev Chil Radiol 8(4):170-176, 2002. e-Pub 2002.
32. Kim EE, Valenzuela RF, Kumar AJ, Raney RB, Eftekari F. Imaging and clinical spectrum of rhabdomyosarcoma in children. Clin Imaging 24(5):257-62, 2000. e-Pub 2000. PMID: 11331151.
33. Valenzuela RF, Kim EE, Seo JG, Patel S, Yasko AW. A revisit of MRI analysis for synovial sarcoma. Clin Imaging 24(4):231-235, 2000. e-Pub 2000. PMID: 11274890.
34. Valenzuela RF, Kim EE. Synovial sarcoma: primary and recurrent tumor MRI findings. Rev Chil Radiol 4(1):4-8, 1998. e-Pub 1998.
35. Valenzuela RF, Kumar AJ, Kim EE. Sinus and nasal tumoral spread pattern and imaging features. Rev Chil Radiol 4(2):38-45, 1998. e-Pub 1998.
36. Valenzuela RF. Small bowel intussusception related to Peutz-Jeghers disease. Rev Chil Radiol 2(1):43-44, 1996. e-Pub 1996.
37. Valenzuela RF, Cruz F. CT cholangiopancreatography: a new method for studying the biliary tract. Initial results. Rev Chil Radiol 2(2):18, 1996. e-Pub 1996.
38. Valenzuela RF. Synoptic view of the dissemination routes of abdominal tumors. Rev Chil Radiol 2(3):15-27, 1996. e-Pub 1996.
39. Valenzuela RF, Garcia C. Epidermoid cyst of the spleen. Rev Chil Radiol 1:27-28, 1995. e-Pub 1995.

Review Articles

1. Griffith JF, Yip SWY, van der Heijden RA, Valenzuela RF, Yeung DKW. Perfusion Imaging of the Musculoskeletal System. Magn Reson Imaging Clin N Am 32(1):181-206, 2024. e-Pub 2024. PMID: 38007280.

Abstracts

1. Valenzuela Perez RF, Duran-Sierra E, Antony M, Espinoza J, Costelloe CM, Murphy W, Wells D, Amini B, Lo S. Opportunistic comparative analysis of quantitative radiomics between zero-echo-time MRI and CT on normal hip bone during oncologic metastatic screening. European Congress of Radiology, 2026. e-Pub 2026.
2. Valenzuela Perez RF, Duran-Sierra E, Canjirathinkal M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Wells D, Amini B. Assessment of neoadjuvant therapy response in extremity undifferentiated pleomorphic sarcoma using multiparametric MRI: A comparison between radiation vs. consecutive chemotherapy and radiation. Society of Skeletal Radiology Annual Meeting, 2026. e-Pub 2026.
3. Valenzuela Perez RF, Duran-Sierra E, Canjirathinkal M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Wells D, Amini B. The effectiveness of T2-WI volumetric and modified-Choi evaluating treatment response to Sorafenib versus Nirogacestat for Desmoid Fibromatosis. Society of Skeletal Radiology Annual Meeting, 2026. e-Pub 2026.
4. Valenzuela Perez RF, Duran-Sierra E, Antony M, Espinoza J, Madewell JE, Murphy W, Wells D, Amini B, Lo S. Pilot study on pathological response assessment in synovial sarcoma of the extremities based on multiparametric MRI. European Congress of Radiology, 2026. e-Pub 2026.
5. Valenzuela Perez RF, Duran-Sierra E, Canjirathinkal M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Wells D, Amini B. A pilot study on multiparametric MRI treatment response assessment in synovial sarcoma of the extremities. Society of Skeletal Radiology Annual Meeting, 2026. e-Pub 2026.
6. Valenzuela Perez RF, Duran-Sierra E, Canjirathinkal M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Wells D, Amini B. Opportunistic comparative analysis of quantitative radiomics between zero-echo-time MRI and CT on normal hip bone during oncologic metastatic screening. Society of Skeletal Radiology Annual Meeting, 2026. e-Pub 2026.
7. Valenzuela Perez RF, Duran-Sierra E, Antony M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Wells D, Amini B. Assessment of neoadjuvant therapy response in extremity undifferentiated pleomorphic sarcoma using multiparametric MRI: A comparison between radiation vs consecutive chemotherapy and radiation. European Congress of Radiology, 2026. e-Pub 2026.
8. Valenzuela Perez RF, Duran-Sierra E, Antony M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Amini B, Lo S. Assessment of volumetric and modified Choi MRI response in Desmoid Fibromatosis treatment with Sorafenib versus Nirogacestat. European Congress of Radiology, 2026. e-Pub 2026.
9. Valenzuela Perez RF, Duran-Sierra E, Antony M, Costelloe CM, Madewell JE, Murphy WA, Amini B, Espinoza J. Building a pre-surgical multiparametric-MRI-based predictive treatment response model for undifferentiated pleomorphic sarcoma to replace RECIST. Connective Tissue Oncology Society Annual Meeting, 2025. e-Pub 2025.
10. Valenzuela Perez RF, Duran-Sierra E, Antony M, Costelloe CM, Madewell JE, Murphy WA, Amini B, Espinoza J. The effect of chemotherapy and radiotherapy in the multiparametric MRI-based assessment of treatment response in extremity soft-tissue undifferentiated pleomorphic sarcoma. Connective Tissue Oncology Society Annual Meeting, 2025. e-Pub 2025.
11. Raj R, Munnangi P, Yi M, Joseph C, Thirasastr P, Landers SM, Woodruff G, Bhalla AD, Somaiah N, Nassif Haddad EF, Valenzuela Perez RF, Roland CL, Scally CP, Keung EZ, Lyu HG, Lillemoe HA, McCutcheon I, Slopis JM, Hunt KE. The role of socioeconomic disparities on survival outcomes in malignant peripheral nerve sheath tumors. Connective Tissue Oncology Society Annual Meeting, 2025. e-Pub 2025.
12. Valenzuela Perez RF, Duran-Sierra E, Antony M, Costelloe CM, Madewell JE, Murphy WA, Amini B, Espinoza J. MRI volumetric and modified Choi-based assessment of treatment response in extremity desmoid tumors treated with nirogacestat or sorafenib. Connective Tissue Oncology Society Annual Meeting, 2025. e-Pub 2025.
13. Valenzuela Perez RF, Duran-Sierra E, Antony M, Costelloe CM, Madewell JE, Murphy WA, Amini B, Espinoza J. A follow-up study on the novel use of contrast-enhanced susceptibility-weighted imaging for extremity desmoid fibromatosis response assessment. Connective Tissue Oncology Society Annual Meeting, 2025. e-Pub 2025.
14. Valenzuela Perez RF, Duran-Sierra E, Antony M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Amini B. MRI volume and m-choi response assessment in desmoid tumors treated with nirogacestat or sorafenib. American Roentgen Ray Society Annual Meeting. e-Pub 2025.
15. Valenzuela Perez RF, Duran-Sierra E, Antony M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Amini B. Can a multiparametric MRI model outperform RECIST predicting pathology response in rhabdomyosarcoma?. American Roentgen Ray Society Annual Meeting. e-Pub 2025.
16. Valenzuela Perez RF, Duran-Sierra E, Antony M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Amini B. Follow-up study on susceptibility-weighted imaging for desmoid fibromatosis response assessment. American Roentgen Ray Society Annual Meeting. e-Pub 2025.
17. Valenzuela Perez RF, Duran-Sierra E, Antony M, Espinoza J, Costelloe CM, Madewell JE, Murphy W, Amini B. Effect of radiotherapy on advanced MRI response assessment in undifferentiated pleomorphic sarcoma. American Roentgen Ray Society Annual Meeting. e-Pub 2025.
18. Lo S, Valenzuela Perez RF, Amini B, Duran-Sierra E, Antony M, Murphy WA, Madewell JE, Costelloe CM. Pilot Study: Can a Multiparametric MRI Derived Model Outperform RECIST Predicting Pathology Response in Rhabdomyosarcoma (RMS)?. 24th International Cancer Imaging Society Meeting and Annual Teaching Course 25(Suppl 1):5, 2025. e-Pub 2025.
19. Valenzuela Perez RF, Duran-Sierra E, Antony M, Costelloe CM, Madewell JE, Murphy WA, Amini B. Pre-surgical Multiparametric-MRI Morphologic, Qualitative, Semiquantitative, and Radiomic Predictive Response Model for Undifferentiated Pleomorphic Sarcoma to Replace RECIST. 24th International Cancer Imaging Society Meeting and Annual Teaching Course, 2025. e-Pub 2025.
20. Valenzuela Perez RF, Amini B, Duran-Sierra E, Madewell JE, Antony M, Costelloe CM, Murphy WA. Undifferentiated pleomorphic sarcoma: Building an effective multiparametric MRI (mpMRI) predictive treatment response model to replace RECIST. European Congress of Radiology 16(Suppl 1):10, 2025. e-Pub 2025.
21. Duran SE, Antony M, Valenzuela Perez RF, Amini B, Madewell JE, Costelloe CM, Lo S, Murphy WA. Building a Predictive Multiparametric MRI Response Model for Undifferentiated Pleomorphic Sarcoma OR2897. American Roentgen Ray Society Annual Meeting, 2025. e-Pub 2025.
22. Amini B, Duran Sierra E, Valenzuela Perez RF, Canjirathinkal M, Costelloe CM, Madewell JE, Murphy WA. Multiparametric MRI Assessment of Neo-Adjuvant Therapy Response in Soft-Tissue Leiomyosarcoma (OR2896). American Roentgen Ray Society Annual Meeting, 2025. e-Pub 2025.
23. Valenzuela Perez RF, Duran-Sierra E, Canjirathinkal C, Costelloe CM, Madewell JE, Murphy WA, Amini B. Extension study following successful Pilot evaluating Contrast-Enhanced Susceptibility-Weighted Imaging First-Order and High-Order Radiomics for the assessment of Desmoid Fibromatosis Response (0901_1339_000092). 48th Society of Skeletal Radiology Annual Meeting, 2025. e-Pub 2025.
24. Valenzuela Perez RF, Amini B, Duran-Sierra E, Madewell JE, Antony M, Costelloe CM, Murphy WA. Undifferentiated Pleomorphic Sarcoma: Building an Effective Multiparametric MRI (mpMRI) derived Predictive Treatment Response Model to Replace RECIST (0901_1339_000091). 48th Society of Skeletal Radiology Annual Meeting, 2025. e-Pub 2025.
25. Duran Sierra E, Antony M, Valenzuela RF, Amini B, Costelloe CM, Lo S, Madewell JE, Murphy WA. Building a Predictive Multiparametric MRI Response Model for Undifferentiated Pleomorphic Sarcoma (OR2897). American Roentgen Ray Society Annual Meeting, 2025. e-Pub 2025.
26. Valenzuela Perez RF, Duran-Sierra E, Antony M, Murphy WA, Madewell JE, Costelloe CM, Lo S, Amini B, Espinoza J. Soft-Tissue Leiomyosarcoma: Building a Reliable Multiparametric MRI-Based Model for Neo-Adjuvant Therapy Response Assessment (0901_1339_000094). 48th Society of Skeletal Radiology Annual Meeting, 2025. e-Pub 2025.
27. Lo S, Valenzuela RF, Duran-Sierra E, Antony M, Amini B, Madewell JE, Murphy WA, Espinoza J, Costelloe CM. Multiparametric-MRI (mp-MRI) baseline signature tumor profile and pre-surgical predictive treatment response model for rhabdomyosarcoma (RMS). European Congress of Radiology, 2025. e-Pub 2025.
28. Valenzuela Perez RF, Amini B, Duran-Sierra E, Antony M, Madewell J, Costelloe C, Murphy W. Extension study following successful pilot evaluating contrast-enhanced susceptibility-weighted imaging first-order and high-order radiomics for the assessment of desmoid fibromatosis response. European Congress of Radiology, 2025. e-Pub 2025.
29. Amini B, Duran-Sierra E, Valenzuela Perez RF, Canjirathinkal M, Costelloe CM, Madewell JE, Murphy WA. Soft-tissue leiomyosarcoma: Building a reliable multiparametric MRI-based model for neo-adjuvant therapy response assessment. European Congress of Radiology, 2025. e-Pub 2025.
30. Atakishi K, Duran Sierra E, Yankeelov T, Amini B, Valenzuela Perez RF, Antony M, Hormuth II D. Predicting the response of undifferentiated pleomorphic sarcoma to neoadjuvant therapy with image-based modeling. Biomedicine Engineering Society Annual Meeting, 2024. e-Pub 2024.
31. Valenzuela RF, Duran Sierra E, Canjirathinkal M, Costelloe CM, Madewell JE, Murphy WA, Amini B. Role of contrast-enhanced susceptibility-weighted imaging (CE-SWI) for the assessment of response and progression in desmoid fibromatosis. American Roentgen Ray Society Annual Meeting, 2024. e-Pub 2024.
32. Valenzuela RF, Duran-Sierra E, Canjirathinkal M, Costelloe C, Idrees H, Madewell J, Murphy W, Amini B. Perfusion weighted-imaging with dynamic contrast enhancement (PWI/DCE) for the treatment assessment of extremity soft-tissue non-myxoid undifferentiated pleomorphic sarcoma (UPS). 47th Society of Skeletal Radiology Annual Meeting, 2024. e-Pub 2024.
33. Valenzuela RF, Duran-Sierra E, Canjirathinkal M, Costelloe C, Madewell J, Murphy W, Amini B. Novel use of contrast-enhanced susceptibility-weighted imaging (CE-SWI) in the treatment assessment of desmoid fibromatosis: early results from a specialized cancer institution. 47th Society of Skeletal Radiology Annual Meeting, 2024. e-Pub 2024.
34. Valenzuela Perez RF, Duran-Sierra E, Canjirathinkal M, Costelloe C, Madewell J, Murphy W, Amini B. Novel use of contrast-enhanced susceptibility-weighted imaging (CE-SWI) in the treatment assessment of desmoid fibromatosis: early results from a specialized cancer institution. European Congress of Radiology, 2024. e-Pub 2024.
35. Valenzuela RF, Duran-Sierra D, Canjirathinkal M, Costelloe C, Idrees H, Madewell J, Murphy W, Amini B. Multiparametric MRI for the treatment assessment of lower extremity soft-tissue undifferentiated pleomorphic sarcoma (UPS). European Congress of Radiology, 2024. e-Pub 2024.
36. Amini B, Duran-Sierra E, Madewell J, Murphy W, Costelloe C, Valenzuela RF. Advanced MRI can be used to determine percent necrosis in leiomyosarcoma. European Congress of Radiology, 2024. e-Pub 2024.
37. Valenzuela RF, Duran-Sierra E, Canjirathinkal M, Costelloe C, Idrees H, Madewell J, Murphy W, Amini B. Perfusion weighted imaging with dynamic contrast enhancement (PWI/DCE) for the treatment assessment of extremity soft-tissue non-myxoid undifferentiated pleomorphic sarcoma. European Congress of Radiology, 2024. e-Pub 2024.
38. Valenzuela RF, Amini B, Duran-Sierra E, Canjirathinkal M, Madewell JE, Costelloe CM, Murphy WA. Multi-parametric MRI for the treatment assessment of lower extremity soft-tissue undifferentiated pleomorphic sarcoma (UPS). 47th Society of Skeletal Radiology Annual Meeting, 2024. e-Pub 2024.
39. Valenzuela RF, Duran-Sierra E, Canjirathinkal M, Costelloe CM, Madewell JE, Murphy WA, Amini B. Novel use of contrast-enhanced susceptibility imaging (CE-SWI) in assessing treatment response in extremity soft-tissue undifferentiated pleomorphic sarcoma (UPS). European Congress of Radiology, 2024. e-Pub 2024.
40. Valenzuela RF, Duran-Sierra E, Canjirathinkal M, Costelloe C, Madewell J, Murphy W, Amini B. Novel use of contrast-enhanced susceptibility imaging (CE-SWI) in assessing treatment response in extremity soft-tissue undifferentiated pleomorphic sarcoma (UPS). 47th Society of Skeletal Radiology Annual Meeting, 2024. e-Pub 2024.
41. Duran-Sierra E, Valenzuela RF, Canjirathinkal M, Costelloe C, Moradi H, Madewell JE, Murphy W, Amini B. Optimized automated workflow for radiomic feature extraction from static and dynamic magnetic resonance imaging (MRI) of soft tissue sarcoma. European Congress of Radiology 14(Suppl 4):107-108, 2023. e-Pub 2023.
42. Chenglei L, Valenzuela RF, Green W, Canjirathinkal M, Griggs M, Wang W-L, Murphy Jr WA, Amini B. Apparent diffusion coefficient (ADC) first-order radiomic features differentiate pelvic chordomas and chondrosarcomas. European Congress of Radiology 14(Suppl 4):59, 2023. e-Pub 2023.
43. Valenzuela RF, Amini B, Canjirathinkal M, Duran-Sierra E, Murphy Jr WA, Idrees H, Madewell JE, Costelloe C. Baseline and post-treatment advanced MRI of extremity soft-tissue non-myxoid undifferentiated pleomorphic sarcoma. European Congress of Radiology 14(Suppl 4):225, 2023. e-Pub 2023.
44. Amini B, Valenzuela RF, Duran Sierra E, Antony M, Murphy WA, Liu C, Green WN, Griggs M, Wang WL. Role of apparent diffusion coefficient (ADC) map-based first and high-order radiomic features in discriminating sacral chordomas and chondrosarcomas with overlapping conventional imaging features. Connective Tissue Oncology Society Annual Meeting, 2023. e-Pub 2023.
45. Valenzuela RF, Duran Sierra E, Amini B, Antony M, Madewell JE, Costelloe CE, Murphy WA. Contrast-enhanced susceptibility imaging (CE-SWI) morphologic, first & high-order radiomic features value in assessing treatment response in extremity soft-tissue undifferentiated pleomorphic sarcoma. Connective Tissue Oncology Society Annual Meeting, 2023. e-Pub 2023.
46. Valenzuela RF, Duran Sierra E, Amini B, Antony M, Madewell JE, Costelloe CM, Murphy WA. Apparent diffusion coefficient (ADC) high-order radiomic of baseline and post-treatment advanced MRI of extremity soft-tissue non-myxoid undifferentiated pleomorphic sarcoma. Connective Tissue Oncology Society Annual Meeting, 2023. e-Pub 2023.
47. Duran Sierra E, Valenzuela RF, Antony M, Costelloe CM, Moradi H, Madewell JE, Murphy WA, Amini B. Cancer radiomic and perfusion imaging (CARPI) automated framework: validation on musculoskeletal tumors in a specialized cancer center. Connective Tissue Oncology Society Annual Meeting, 2023. e-Pub 2023.
48. Valenzuela RF, Amini B, Duran Sierra E, Antony M, Costelloe CM, Madewell JE, Murphy WA. Early results in novel use of contrast-enhanced susceptibility-weighted imaging in the assessment of response and progression in desmoid fibromatosis: pilot study in a specialized cancer institution. Connective Tissue Oncology Society Annual Meeting, 2023. e-Pub 2023.
49. Valenzuela RF, Duran Sierra E, Amini B, Antony M, Madewell JE, Costelloe CM, Murphy WA. Role of perfusion weighted imaging with dynamic contrast enhanced (PWI/DCE) for the treatment assessment of extremity soft-tissue non-myxoid undifferentiated. Connective Tissue Oncology Society Annual Meeting, 2023. e-Pub 2023.
50. Livingston JA, Cloutier JM, Conley AP, Gorlick R, Benjamin R, Posey K, Nassif EF, Zarzour M, Araujo DM, Ratan R, Ravi V, Somaiah N, Lin H, Leung CH, Lazar AJ, Lewis V, Lin P, Amini B, Valenzuela RF, Patel S, Wang WL. Chemotherapy and prognostic significance of extent of dedifferentiation in dedifferentiated parosteal osteosarcoma. Connective Tissue Oncology Society Annual Meeting, 2023. e-Pub 2023.
51. Valenzuela RF, Antony M, Amini B, Duran Sierra E, Costelloe CM, Madewell JE, Murphy WA. Baseline and post-treatment advanced MRI of extremities soft-tissue non-myxoid undifferentiated pleomorphic sarcoma. Connective Tissue Oncology Society Annual Meeting, 2023. e-Pub 2023.
52. Valenzuela RF, Amini B, Duran-Sierra E, Canjirathinkal MA, Idrees H, Madewell JE, Costelloe C, Murphy Jr WA. Susceptibility-weighted imaging (SWI) in benign and malignant tumors of the musculoskeletal system. European Congress of Radiology, 2023. e-Pub 2023.
53. Duran-Sierra E, Valenzuela RF, Canjirathinkal M, Costelloe C, Moradi H, Madewell JE, Murphy Jr WA, Amini B. Diffusion-Weighted Imaging First order Radiomic Features Differentiate Pelvic Chordomas and Chondrosarcomas. 46th Society of Skeletal Radiology Annual Meeting, 2023. e-Pub 2023.
54. Duran-Sierra E, Valenzuela RF, Canjirathinkal M, Madewell JE, Murphy Jr WA, Costelloe C, Amini B. Susceptibility imaging (SWI) morphologic patterns and high-order radiomics of baseline and post-treatment advanced MRI of extremity soft-tissue undifferentiated pleomorphic sarcoma. European Congress of Radiology, 2023. e-Pub 2023.
55. Duran-Sierra E, Valenzuela RF, Canjirathinkal M, Murphy M, Madewell J, Costelloe C, Amini B. Apparent diffusion coefficient (ADC) high-order radiomics of baseline and post-treatment advanced MRI of extremity soft-tissue undifferentiated pleomorphic sarcoma. European Congress of Radiology, 2023. e-Pub 2023.
56. Duran-Sierra E, Valenzuela RF, Canjirathinkal M, Costelloe C, Moradi H, Madewell JE, Murphy Jr WA, Amini B. Optimized automated workflow for radiomic feature extraction from static and dynamic magnetic resonance imaging (MRI) of soft tissue sarcoma. 46th Society of Skeletal Radiology Annual Meeting, 2023. e-Pub 2023.
57. Valenzuela Perez RF, Amini B, Canjirathinkal M, Duran-Sierra E, Murphy WA, Madewell JE, Costelloe CM. Susceptibility-Weighted Imaging (SWI) Emerging Role in Musculoskeletal (MSK) Oncology. Radiological Society of North America Annual Meeting, 2022. e-Pub 2022.
58. Valenzuela Perez RF, Amini B, Canjirathinkal, Duran-Sierra E, Murphy Jr WA, Madewell JE, Costelloe CM. Baseline, post-treatment, and surveillance: Advanced magnetic resonance imaging of soft-tissue sarcomas. Radiological Society of North America Scientific Assembly and Annual Meeting, 2022. e-Pub 2022.
59. Valenzuela Perez RF, Amini B, Canjirathinkal MA, Duran-Sierra E, Murphy Jr WA, Madewell JE, Costelloe CM. Advanced imaging features of primary and recurrent soft-tissue sarcoma. Radiological Society of North America Scientific Assembly and Annual Meeting, 2022. e-Pub 2022.
60. Valenzuela Perez RF, Amini B, Chenglei L, Duran-Sierra E, Wang WL, Canjirathinkal MA, Moradi H, Green WN, Madewell JE, Costelloe CM, Murphy WA. Diffusion-weighted imaging for differentiation of sacral chordoma and chondrosarcoma. Connective Tissue Oncology Society Annual Meeting, 2022. e-Pub 2022.
61. Valenzuela RF, Ocasio L, Meenakshi B, Guangrong B, Rao LM, Tandon N, Esquenazi Y, Zhu JJ, Riascos-Castaneda R. Pathology confirmed radiographic diagnosis of true progression and pseudo-progression made by advanced brain tumor imaging. 22nd Annual Scientific Meeting and Education Day of the Society for Neuro-Oncology 19(Suppl 6):vi147, 2017. e-Pub 2017.
62. Simonetta A, Riascos R, Valenzuela Perez RF, Ramirez M, Ocasio L. Rare case of subacute combined degeneration of the spinal cord secondary to nitrous oxide abuse. American Society of Neuroradiology Annual Meeting:895-897, 2017. e-Pub 2017.
63. Valenzuela RF, Riascos R, Ocasio L, Ramirez M, Marcus D, Cano-Duran A. Idiopathic intracranial hypertension: cranial MRI findings in correlation with direct venous sinus pressure measurements. American Society of Neuroradiology Annual Meeting:1509-1510, 2017. e-Pub 2017.
64. Valenzuela Perez RF, Ramirez-Guzman M, Ocasio L, Cano-Duran A, Riascos R. Imaging Features of Primary Trigeminal Nerve Tumors: Case Series and Review of the Literature. American Society of Neuroradiology Annual Meeting:747-749, 2017. e-Pub 2017.
65. Valenzuela RF, Hayman A, Bhanu G, Lakshmi C, Kumar AJ, Riascos R. Primary brain tumors in language associated brodmann areas (LABA), 2016. e-Pub 2016.
66. Valenzuela Perez RF, Duran-Sierra E, Antony M, Costelloe CM, Madewell JE, Murphy WA, Amini B, Espinoza J. Pilot study: can a multiparametric MRI-derived model outperform RECIST predicting pathology response in rhabdomyosarcoma?. Connective Tissue Oncology Society Annual Meeting, 1900. e-Pub 1900.

Book Chapters

1. Costelloe C, Valenzuela RF, Chuang H, Madewell J. Imaging of Bone Metastases. In: Cancer Metastasis Through the Lymphovascular System: A Comprehensive Textbook. Springer, 295-308, 2022.
2. Kerr K, Valenzuela RF, Westmark K, Esquenazi YL. Incidental findings in neurosurgery and their management. In: Incidental Diffuse Gliomas. Thieme, 2020.
3. Livingston JA, Conley AP, Valenzuela RF, Shreyaskumar P. Bone Sarcomas. In: MD Anderson Manual of Medical Oncology. 5th edition, Chapter 52.

Books (edited and written)

1. Valenzuela RF. Technical Innovations Where body imaging is leading to?, 2011.