Randy D. Ernst, M.D.
Department of Abdominal Imaging, Division of Diagnostic Imaging
About Dr. Ernst
A Clinical Professor in the Department of Abdominal Imaging, Dr. Randy Ernst evaluates CT, Ultrasound and MRI studies of the chest, abdomen, and pelvis. He is an active participant in the multidisciplinary rectal conference, assisting clinicians who lead nationally and internationally in the development and evaluation of treatments for rectal cancer. He also contributes to the multidisciplinary International Rare Cancers Initiative (IRCI) Metastatic Anal Cancer group sponsored by the National Cancer Institute and ASCO. As an advisor for the National Aeronautics and Space Administration, he reviews ultrasound images obtained at the Johnson Space Center and International Space Station.
Research Interests
MRI US CT Colorectal Cancer
Clinical Interests
MRI US CT Colorectal Cancer
Education & Training
Degree-Granting Education
| 1990 | The University of Texas Medical Branch, Galveston, TX, USA, MD, Medicine |
| 1981 | The University of Texas, Austin, TX, USA, BA, Psychology |
Postgraduate Training
| 1995-1996 | Clinical Fellowship, MRI and CT Radiology, Harvard Medical School - Beth Israel Hospital, Boston, MA |
| 1991-1995 | Clinical Residency, Diagnostic Radiology, The University of Texas Medical Branch, Galveston, TX |
| 1990-1991 | Clinical Internship, Internal Medicine, The University of Texas Medical Branch, Galveston, TX |
Board Certifications
| 1995 | American Board of Radiology |
Experience & Service
Academic Appointments
Professor, Department of Abdominal Imaging, Division of Diagnostic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, 2019 - 2020
Professor, Department of Diagnostic Radiology, Division of Diagnostic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, 2012 - 2019
Associate Professor - Voluntary, Department of Diagnostic & Interventional Imaging, The University of Texas John P. and Kathrine G. McGovern Medical School, Houston, TX, 2012 - 2013
Associate Professor, Department of Diagnostic Radiology, Division of Diagnostic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, 2007 - 2012
Associate Professor, Department of Diagnostic Radiology, Division of Diagnostic Imaging, The University of Texas Medical Branch, Galveston, TX, 2001 - 2007
Assistant Professor, Department of Diagnostic Radiology, Division of Diagnostic Imaging, Emory University School of Medicine, Atlanta, GA, 1999 - 2001
Assistant Professor, The University of Texas John P. and Kathrine G. McGovern Medical School, Houston, TX, 1996 - 1999
Assistant Professor, Department of Diagnostic Radiology, Lyndon B. Johnson General Hospital, Houston, TX, 1996 - 1999
Administrative Appointments/Responsibilities
Rotating Resident Radiology Program Site Director, Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX, 2015 - 2016
Section Chief ad interim Abdominal Imaging, Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX, 2012 - 2013
Vice Chairman, The University of Texas Medical Branch, Galveston, TX, 2004 - 2007
Residency Program Director, The University of Texas Medical Branch, Galveston, TX, 2003 - 2007
Medical Director, Horizon MR Imaging, Texas Operations, Houston, TX, 2003 - 2007
Director, Department of Telemedicine, The University of Texas Medical Branch, Galveston, TX, 2003 - 2007
Director, Department of MRI Operations Committee, Emory University Hospital, Atlanta, GA, 1999 - 2000
Other Appointments/Responsibilities
Member, Visual Impairment and Intracranial Pressure (VIIP) Imaging Working Group, National Aeronautics and Space Administration, Houston, TX, 2011 - Present
Member, Rectal Cancer Working Multidisciplinary Research Group, The University of Texas MD Anderson Cancer Center, Houston, TX, 2009 - Present
Member, Radiology Structured Reporting Group, The University of Texas MD Anderson Cancer Center, Houston, TX, 2009 - Present
Member, Long Range Planning Committee, Association of Program Directors in Radiology, Houston, TX, 2006 - Present
Member, Graduate Medical Education Executive Committee, The University of Texas Medical Branch, Galveston, TX, 2004 - 2007
Member, Graduate Medical Education Advisory Committee, The University of Texas Medical Branch, Galveston, TX, 2003 - 2007
Member, Area Based Medical Directors Committee, The University of Texas Medical Branch, Galveston, TX, 2001 - 2003
Member, Curriculum Committee, The University of Texas Medical Branch, Galveston, TX, 2001 - 2007
Member, Cancer Committee, The University of Texas Medical Branch, Galveston, TX, 2001 - 2003
Medical Staff, Emory University Hospital, Atlanta, GA, 1999 - 2001
Medical Staff, Grady Memorial Hospital, Atlanta, GA, 1999 - 2001
Medical Staff, Wesley Woods Geriatric Hospital, Atlanta, GA, 1999 - 2001
Member, PACS-Informatics Committee, Emory University, Atlanta, GA, 1999 - 2001
Elected Member, Faculty Senate Committee, The University of Texas at Houston, Houston, TX, 1998 - 1999
Member, PACS-Informatics Committee, The University of Texas at Houston, Houston, TX, 1997 - 1999
Staff Radiologist, Memorial Hermann Hospital, Houston, TX, 1996 - 1999
Institutional Committee Activities
Diagnostic Imaging Division Representative, PRS Budget & Finance Committee, 2015 - 2017
Member, Genitourinary Steering Committee, 2014 - Present
Member, Department of Diagnostic Radiology Body Imaging Quality Improvement Committee, 2011 - Present
Chair, Magnetic Resonance Imaging Protocol Committee, Department of Diagnostic Radiology, 2010 - 2012
Director, Radiology Rectal Cancer Research Group, 2010 - 2012
Member, Ultrasound Conference Planning Committee, 2009 - 2012
Member, Computed Tomography Protocol Committee, 2009 - 2012
Member, Contrast Review Committee, 2008 - 2012
Consultantships
Consultant, Technical Interface Meeting (TIM), National Aeronautics and Space Administration (NASA), Lyndon B. Johnson Space Center, Houston, TX, 2019 - Present
Consultant, MD Anderson Cancer Center Representative, National Aeronautics and Space Administration (NASA), Houston, TX, 2012 - Present
Ultrasound Consultant to the International Space Station, National Aeronautics and Space Administration (NASA), Lyndon B. Johnson Space Center, Houston, Texas, 2010 - Present
Consultant, Space Physiology and Ocular & Visual Changes in Space Flight Meeting, National Aeronautics and Space Administration (NASA), Lyndon B. Johnson Space Center, Houston, Texas, 2010 - Present
Ultrasound Consultant to the International Space Station, National Aeronautics and Space Administration (NASA), Lyndon B. Johnson Space Center, Houston, Texas, 2010 - Present
Consultant, International Space Station Imaging Summit, National Aeronautics and Space Administration (NASA), Lyndon B. Johnson Space Center, Houston, Texas, 2008 - Present
Radiology Consultant, General Electric, The University of Texas at Houston Medical School, 1998 - 2012
Honors & Awards
| 2023 | Best Technical Innovation Award, "MRI radiomics to detect residual mucinous rectal adenocarcinoma post total neoadjuvant treatment: A Collaborative Effort of the SAR Rectal Anal Disease Focus Panel", Society of Abdominal Radiology |
| 2022 | Certificate of Merit Education Exhibit, "Simplified approach to lateral pelvic nodes in rectal cancer addressing controversies, categorization and involvement", 108th Scientific Assembly and Annual Meeting of the Radiological Society of North America |
| 2016 | Outstanding Educator Award, The University of Texas MD Anderson Cancer Center |
| 2011 | The Michigan Society of Colon and Rectal Surgeons Award, "Can pretreatment rectal MRI predict response to neoadjuvant chemoradiation therapy?", The American Society of Colon & Rectal Surgeons Annual Meeting |
| 2011 | Certificate of Merit, "Ultrasound of the gastrointestinal tract: Experience in a large cancer hospital", 97th Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 2010 | Cum Laude Education Exhibit, "Preoperative staging of primary rectal tumors: role of thin section multiplanar 2D T2 FSE imaging, 3D cube, and diffusion-weighted imaging", 96th Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 2010 | Certificate of Merit, "Imaging of acute abdominal pain in pregnant patients with an emphasis on MR imaging", 96th Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 2009 | Editor's Recognition for Reviewing with Distinction, Radiology, Radiological Society of North America |
| 2007 | Certificate of Merit Exhibit, "Web-based broadcast for the radiology noon conference", 93rd Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 2004 | Certificate of Merit, "MR imaging of acute abdomen during pregnancy", 90th Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 2002 | Certificate of Merit, "Autorad PACS workstation sharpening filter as an alternative to CT scanner console generated bone and lung reformats", American Roentgen Ray Society |
| 2001 | Certificate of Merit Scientific Exhibit and Paper, "Trimming study sizes to preserve archive storage space and to minimize network transfer time", 87th Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 2000 | Certificate of Merit Exhibit, "Improved accuracy of helical CT for the detection of acute appendicitis: The contribution of intravenous contrast", American Roentgen Ray Society |
| 1999 | Certificate of Merit, "Non-traumatic hemorrhage of the adrenal gland: CT evaluation", American Roentgen Ray Society |
| 1999 | Magna Cum Laude Scientific Exhibit, "CT venography as an adjunct to CT pulmonary angiography for the detection of pulmonary thrombo-embolic disease", 85th Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 1999 | Certificate of Merit, "Floating table, bolus tracking gadolinium enhanced MR angiography for aortoiliac and peripheral runoff", American Roentgen Ray Society |
| 1998 | Bronze Medal Award, "The clinical usage of helical CT, SmartPrep - fluoroscopy in interventional procedure", American Roentgen Ray Society |
| 1998 | Selected as Radiology Faculty to meet General Electric research coordinators on reviewers |
| 1998 | Certificate of Merit Exhibit, "CT evaluation of renal vascular disease", 84th Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 1998 | Bronze Medal Winner, "The clinical usage of helical CT, SmartPrep - fluoroscopy in interventional procedure", 84th Scientific Assembly and Annual Meeting of the Radiological Society of North America |
| 1997 | Research Trainee Prize, "Unenhanced helical CT of ureterolithiasis: Can CT predict the clinical outcome?", 83rd Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 1997 | Certificate of Merit Exhibit, "Imaging of nontraumatic hemorrhage of the adrenal gland", 83rd Scientific Assembly and Annual Meeting of The Radiological Society of North America |
| 1988 | Peer Tutor, The University of Texas Medical Branch at Galveston |
| 1987 | Dean's List (Top third of class), The University of Texas Medical Branch at Galveston |
| 1984 | Undergraduate Dean's List, The University of Texas Medical Branch at Galveston |
Professional Memberships
Selected Publications
Peer-Reviewed Articles
- El Homsi M, Sheedy SP, Rauch GM, Ganeshan DM, Ernst RD, Golia Pernicka JS. Follow-up imaging of anal cancer after treatment. Abdom Radiol (NY) 48(9):2888-2897, 2023. e-Pub 2023. PMID: 37024606.
- Golia Pernicka JS, Rauch GM, Gangai N, Bates DDB, Ernst R, Hope TA, Horvat N, Sheedy SP, Gollub MJ. Imaging of anal squamous cell carcinoma: Survey results and expert opinion from the Rectal and Anal Cancer Disease-Focused Panel of the Society of Abdominal Radiology. Abdom Radiol (NY) 48(9):3022-3032, 2023. e-Pub 2023. PMID: 36932225.
- Gollub MJ, Costello JR, Ernst RD, Lee S, Maheshwari E, Petkovska I, Wasnik AP, Horvat N. A primer on rectal MRI in patients on watch-and-wait treatment for rectal cancer. Abdom Radiol (NY) 48(9):2836-2873, 2023. e-Pub 2023. PMID: 37099182.
- Awiwi MO, Kaur H, Ernst R, Rauch GM, Morani AC, Stanietzky N, Palmquist SM, Salem UI. Restaging MRI of rectal adenocarcinoma after neoadjuvant chemoradiotherapy: Imaging findings and potential pitfalls. Radiographics 43(4):e220135, 2023. PMID: 36927125.
- Golia Pernicka JS, Sheedy SP, Ernst RD, Minsky BD, Ganeshan D, Rauch GM. MR staging of anal cancer: What the radiologist needs to know. Abdom Radiol (NY) 44(11):3726-3739, 2019. PMID: 31041496.
- Kaur H, Ernst RD, Rauch GM, Harisinghani M. Nodal drainage pathways in primary rectal cancer: Anatomy of regional and distant nodal spread. Abdom Radiol (NY) 44(11):3527-3535, 2019. PMID: 31628513.
- Ciombor KK, Ernst RD, Brown G. Diagnosis and diagnostic imaging of anal canal cancer. Surg Oncol Clin N Am 26(1):45-55, 2017. PMID: 27889036.
- Bailey CE, Hu CY, You YN, Kaur H, Ernst RD, Chang GJ. Variation in positron emission tomography use after colon cancer resection. J Oncol Pract 11(3):e363-72, 2015. e-Pub 2015. PMID: 25852143.
- Sprouse T, Jensen CT, Vicens R, Ernst RD, Bhosale P. Local magnetic resonance imaging staging of rectal adenocarcinoma: A case-based review. J Comput Assist Tomogr 38(6):885-9, 2014. e-Pub 2014. PMID: 25333479.
- Bhosale PR, Wei W, Ernst RD, Bathala TK, Reading RM, Wood CG, Bedi DG. Intraoperative sonography during open partial nephrectomy for renal cell cancer: Does it alter surgical management?. AJR Am J Roentgenol 203(4):822-7, 2014. PMID: 25247947.
- Rauch GM, Kaur H, Choi H, Ernst RD, Klopp AH, Boonsirikamchai P, Westin SN, Marcal LP. Optimization of MR imaging for pretreatment evaluation of patients with endometrial and cervical cancer. Radiographics 34(4):1082-98, 2014. PMID: 25019443.
- Köroglu M, Kayhan A, Soylu FN, Erol B, Schmid-Tannwald C, Gürses C, Karademir I, Ernst RD, Yousuf A, Oto A. MR imaging of ectopic pregnancy with an emphasis on unusual implantation sites. Jpn J Radiol 31(2):75-80, 2013. e-Pub 2012. PMID: 23132557.
- Truong AR, Rodriguez-Bigas MA, Nguyen ST, Kaur H, Ernst RD, You YN. Superior mesenteric artery syndrome after ileal pouch anal anastomosis. Am Surg 79(1):14-6, 2013. PMID: 23317590.
- Chang GJ, You YN, Park IJ, Kaur H, Hu CY, Rodriguez-Bigas MA, Skibber JM, Ernst RD. Pre-treatment high-resolution rectal MRI and treatment response to neoadjuvant chemoradiation. Dis Colon Rectum 55(4):371-7, 2012. PMID: 22426259.
- Kaur H, Choi H, You YN, Rauch GM, Jensen CT, Hou P, Chang GJ, Skibber JM, Ernst RD. MR imaging for preoperative evaluation of primary rectal cancer: Practical considerations. Radiographics 32(2):389-409, 2012. PMID: 22411939.
- Tamm EP, Rong XJ, Cody DD, Ernst RD, Fitzgerald NE, Kundra V. Quality initiatives: CT radiation dose reduction: How to implement change without sacrificing diagnostic quality. Radiographics 31(7):1823-32, 2011. e-Pub 2011. PMID: 21969662.
- Oto A, Ernst RD, Ghulmiyyah LM, Nishino TK, Hughes D, Chaljub G, Saade G. MR imaging in the triage of pregnant patients with acute abdominal and pelvic pain. Abdom Imaging 34(2):243-250, 2009. e-Pub 2008. PMID: 18330616.
- Oto A, Ernst RD, Ghulmiyyah L, Hughes D, Saade G, Chaljub G. The role of MR cholangiopancreatography in the evaluation of pregnant patients with acute pancreaticobiliary disease. Br J Radiol 82(976):279-285, 2009. e-Pub 2008. PMID: 19029218.
- Wiginton CD, Kelly B, Oto A, Jesse M, Aristimuno P, Ernst RD, Chaljub G. Gadolinium-based contrast exposure, nephrogenic systemic fibrosis, and gadolinium detection in tissue. AJR Am J Roentgenol 190(4):1060-1068, 2008. PMID: 18356456.
- Oto A, Ernst RD, Jesse MK, Saade G. Magnetic resonance imaging of cystic adnexal lesions during pregnancy. Curr Probl Diagn Radiol 37(4):139-144, 2008. PMID: 18502322.
- Ge Y, Eltorky MA, Ernst RD, Castro CY. Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia. Ann Diagn Pathol 11(2):122-126, 2007. PMID: 17349572.
- Oto A, Ernst RD, Jesse MK, Chaljub G, Saade G. Magnetic resonance imaging of the chest, abdomen, and pelvis in the evaluation of pregnant patients with neoplasms. Am J Perinatol 24(4):243-250, 2007. PMID: 17447186.
- Chaya CT, Luthra G, Ernst RD, Bhutani MS. A subepithelial mass determined by EUS to be a splenic artery aneurysm. Gastrointest Endosc 65(1):153-154; discussion 154, 2007. PMID: 17137852.
- Oto A, Ernst RD, Mileski WJ, Nishino TK, Le O, Wolfe GC, Chaljub G. Localization of appendix with MDCT and influence of findings on choice of appendectomy incision. AJR Am J Roentgenol 187(4):987-990, 2006. PMID: 16985147.
- Mun S, Ernst RD, Chen K, Oto A, Shah S, Mileski WJ. Rapid CT diagnosis of acute appendicitis with IV contrast material. Emerg Radiol 12(3):99-102, 2006. PMID: 16362812.
- Oto A, Srinivasan PN, Ernst RD, Koroglu M, Cesani F, Nishino T, Chaljub G. Revisiting MRI for appendix location during pregnancy. AJR Am J Roentgenol 186(3):883-887, 2006. PMID: 16498125.
- Jennings RT, Murphy DM, Ware DL, Aunon SM, Moon RE, Bogomolov VV, Morgun VV, Voronkov YI, Fife CE, Boyars MC, Ernst RD. Medical qualification of a commercial spaceflight participant: Not your average astronaut. Aviat Space Environ Med 77(5):475-484, 2006. PMID: 16708526.
- Oto A, Eltorky MA, Dave A, Ernst RD, Chen K, Rampy B, Chaljub G, Nealon W. Mimicks of pancreatic malignancy in patients with chronic pancreatitis: Correlation of computer tomography imaging features with histopathiologic findings. Curr Probl Diagn Radiol 35(5):199-205, 2006. PMID: 16949476.
- Oto A, Ernst RD, Shah R, Koroglu M, Chaljub G, Gei AF, Zacharias N, Saade G. Right-lower-quadrant pain and suspected appendicitis in pregnant women: Evaluation with MR imaging--initial experience. Radiology 234(2):445-451, 2005. PMID: 15591434.
- Oto A, Srinivasan PN, Ernst RD, Chaljub G, Gei AF, Saade G. Magnetic resonance imaging of maternal diseases causing acute abdominal pain during pregnancy: A pictorial review. J Comput Assist Tomogr 29(3):408-414, 2005. PMID: 15891515.
- Koroglu M, Ernst RD, Oto A, Mileski WJ. Traumatic diaphragmatic rupture: Can oral contrast increase CT detectability?. Emerg Radiol 10(6):334-336, 2004. PMID: 15278718.
- Koroglu M, Wendel JD, Ernst RD, Oto A. Alternative diagnoses to stone disease on unenhanced CT to investigate acute flank pain. Emerg Radiol 10(6):327-333, 2004. PMID: 15278717.
- Shah RK, Oto A, Ozkan OS, Ernst RD, Hernandez JA, Chaudhary HB, Koroglu M. Adrenal oncocytoma: US and CT findings. JBR-BTR 87(4):180-182, 2004. PMID: 15487257.
- Johnson CD, Toledano AY, Herman BA, Dachman AH, McFarland EG, Barish MA, Brink JA, Ernst RD, Fletcher JG, Halvorsen RA, Hara AK, Hopper KD, Koehler RE, Lu DS, Macari M, Maccarty RL, Miller FH, Morrin M, Paulson EK, Yee J, Zalis M, Zalis M. Computerized tomographic colonography: Performance evaluation in a retrospective multicenter setting. Gastroenterology 125(3):688-695, 2003. PMID: 12949715.
- Garman ME, Blumberg MA, Ernst RD, Raimer SS. Familial leiomyomatosis: A review and discussion of pathogenesis. Dermatology 207(2):210-213, 2003. PMID: 12920381.
- Shah RK, Shaw SA, Marroquin S, Tatum J, Ernst RD, Swischuk LE, Hernandez JA. Adult intussuception as a cause of abdominal symptoms: Case report and review of literature. Emerg Radiol 10(1):53-56, 2003. PMID: 15290534.
- Ernst RD, Sarai P, Nishino T, Collins T, Oto A, Hernandez A, Walser EM, Chaljub G. Transition from film to electronic media in the first-year medical school gross anatomy lab. J Digit Imaging 16(4):337-340, 2003. PMID: 14749968.
- Hoffman H, Torres WE, Ernst RD. Paleoradiology: Advanced CT in the evaluation of nine Egyptian mummies. Radiographics 22(2):377-385, 2002. PMID: 11896227.
- Ernst RD, Baumgartner BR, Tamm EP, Torres WE. Development of a teaching file by using a DICOM database. Radiographics 22(1):217-221, 2002. PMID: 11796909.
- Conrad JA, Lee, DK, Chaljub G, Ernst RD, Adegbovega P, Gei AF, Walser EM. Placenta percreta: Magnetic resonance imaging and temporary bilateral internal iliac artery balloon occlusion. J Womens Imaging 4(3):139-144, 2002.
- Chaljub G, Shah RK, LaForte R, Ernst RD, Cesani F, Walser EM. Radiology acronyms 2002. Appl Radiol 31(11):21-26, 2002.
- Chaljub G, Ernst RD, Rodriquez G, Callas J, Sandler CM. Emergent MRI utilizing a 5-inch surface coil to evaluate for acute penile fracture. Emerg Radiol 9(1):35-37, 2002. PMID: 15290598.
- Ernst RD, Carpenter W, Torres W, Wheeler S. Combining speech recognition software with Digital Imaging and Communications in Medicine (DICOM) workstation software on a Microsoft Windows platform. J Digit Imaging 14(2 Suppl 1):182-183, 2001. PMID: 11442089.
- Kawashima A, Sandler CM, Ernst RD, Tamm EP, Goldman SM, Fishman EK. CT evaluation of renovascular disease. Radiographics 20(5):1321-1340, 2000. PMID: 10992021.
- Ernst RD, Kim HS, Kawashima A, Middlebrook MR, Sandler CM. Near real-time CT fluoroscopy using computer automated scan technology in nonvascular interventional procedures. AJR Am J Roentgenol 174(2):319-321, 2000. PMID: 10658698.
- Liu TH, Consorti ET, Kawashima A, Ernst RD, Black CT, Greger PH, Fischer RP, Mercer DW. The efficacy of magnetic resonance cholangiography for the evaluation of patients with suspected choledocholithiasis before laparoscopic cholecystectomy. Am J Surg 178(6):480-484, 1999. PMID: 10670857.
- Huynh SL, Ernst RD, Tamm EP, Kramer LA, Middlebrook MR, Cohen AM, Wallace MJ, Sandler CM, Kawashima A. Floating table, bolus tracking gadolinium enhanced MR angiography for aortoiliac and peripheral runoff. AJR Am J Roentgenol Web Review, 1999.
- Amin RS, Nikolaidis P, Kawashima A, Kramer LA, Ernst RD. Normal anatomy of the fetus at MR imaging. Radiographics 19 Spec No:S201-S214, 1999. PMID: 10517455.
- Ernst RD, Le VT, Kawashima A, Caskey C, Zelitt D, Tamm EP, Sandler CM. A picture archiving and communications system featuring multiple monitors using Windows 98. J Digit Imaging 12(2 Suppl 1):106-108, 1999.
- Chin H, Klepac D, Ernst RD, Kawashima A, Tamm EP, Reyna D, Sandler CM. Digital photography of digital imaging and communications in medicine-3 images from computers in the radiologist's office. J Digit Imaging 12(2 Suppl 1):192-194, 1999. PMID: 10342209.
- Tamm EP, Ernst RD, Weems W. The virtual lecture: Delivery of live and recorded presentations over the Internet. AJR Am J Roentgenol 172(1):9-12, 1999. PMID: 9888729.
- Ernst RD, Kawashima A, Shepherd W, Tamm EP, Sandler CM. Distributing digital imaging and communications in medicine data and optimizing access over satellite networks. J Digit Imaging 12(2 Suppl 1):195-196, 1999. PMID: 10342210.
- Kawashima A, Sandler CM, Ernst RD, Takahashi N, Roubidoux MA, Goldman SM, Fishman EK, Dunnick NR. Imaging of nontraumatic hemorrhage of the adrenal gland. Radiographics 19(4):949-963, 1999. PMID: 10464802.
- Takahashi N, Kawashima A, Ernst RD, Boridy IC, Goldman SM, Benson GS, Sandler CM. Ureterolithiasis: Can clinical outcome be predicted with unenhanced helical CT?. Radiology 208(1):97-102, 1998. PMID: 9646798.
- Mostafavi MR, Ernst RD, Saltzman B. Accurate determination of chemical composition of urinary calculi by spiral computerized tomography. J Urol 159(3):673-675, 1998. PMID: 9474123.
- Kawashima A, Sandler CM, Fishman EK, Charnsangavej C, Yasumori K, Honda H, Ernst RD, Takahashi N, Raval BK, Masuda K, Goldman SM. Spectrum of CT findings in nonmalignant disease of the adrenal gland. Radiographics 18(2):393-412, 1998. PMID: 9536486.
- McNicholas MM, Raptopoulos VD, Schwartz RK, Sheiman RG, Zormpala A, Prassopoulos PK, Ernst RD, Pearlman JD. Excretory phase CT urography for opacification of the urinary collecting system. AJR Am J Roentgenol 170(5):1261-1267, 1998. PMID: 9574598.
- Kawashima A, Sandler CM, Ernst RD, Goldman SM, Raval B, Fishman EK. Renal inflammatory disease: The current role of CT. Crit Rev Diagn Imaging 38(5):369-415, 1997. PMID: 9391748.
- Cesani F, Ernst RD, Story G, Villanueva-Meyer J. Multicentric meningioma evaluation with TC-99m MIBI SPECT, CT and MRI. Clin Nucl Med 20(6):557-558, 1995.
- Cesani F, Ernst RD, Walser E, Villanueva-Meyer J. Tc-99m sestamibi imaging of a pancreatic VIPoma and parathyroid adenoma in a patient with multiple type I endocrine neoplasia. Clin Nucl Med 19(6):532-534, 1994.
- San Miguel VV, Martens MG, Ernst RD. Infected pancreatic pseudocyst mimicking acute salpingitis. J Gynecol Surg 10(2):115-119, 1994.
Invited Articles
- Ernst RD, Kawashima A, Sandler CM, Goldman SM. Noncontrast helical CT of renal calculus: an update. Appl Radiol 28(2):8-12, 1999.
- Kawashima A, Sandler CM, Ernst RD, Goldman SM, Raval B, Fishman EK. CT evaluation of renal infection. J Postgrad Radiol 18(3):129-148, 1998.
- Ernst RD, Kressel H. Prostate MRI imaging with the endorectal coil. Magnetom Flash, 1996.
Manuals, Teaching Aids, Other Teaching Publications
- Gollub M, Harisinghani MG, Ernst RD, Kaur H, Kim D, Sheedy S. Rectal Cancer Staging: A Competency-Based Assessment of MR Imaging Proficiency. American College of Radiology, 2018.
- Javitt MC, Amendola M, Chow J, Ernst RD, Harisinghani M, Kenney P, Langer J, Wasserman N, Wong J, Weber T, Woodfield C. SUR Guidelines for Resident Curriculum and Training in Genitourinary Radiology. Society of Uroradiology.
- Sarai P, Ernst RD, Nishino T, Chaljub G, Oto A. Gross Anatomy and Radiology CD, 2008.
- . Spiral CT Angiography. General Electric Computed Tomography TiP-TV Broadcast, 1997.
Abstracts
- Kaur H, Chang GJ, Konishi T, You YN, Rauch GM, Ernst RD. Pelvic nodal anatomy and patterns of nodal spread in rectal cancer. Radiological Society of North America 105th Scientific Assembly and Annual Meeting, 2019.
- Jensen CT, Rauch GM, You YN, Chang GJ, Choi H, Ernst RD, Kaur H. Mucinous adenocarcinoma of the rectum: Disease patterns and pitfalls. Radiological Society of North America 97th Scientific Assembly and Annual Meeting Program, 2011.
- Fitzgerald NE, Ernst RD, Bedi DG. Ultrasound of the gastrointestinal tract: Experience in a large cancer hospital. Radiological Society of North America 97th Scientific Assembly and Annual Meeting Program, 2011.
- Marcal LP, Rauch GM, Kaur H, Ernst RD. High-resolution MR imaging of cervical cancer. Radiological Society of North America 97th Scientific Assembly and Annual Meeting Program, 2011.
- Rauch GM, Marcal LP, Ernst RD, Boonsirikamchai P, Klopp A, Choi H, Kaur H. Optimization of high-resolution MRI technique for pretreatment staging of the cervical and endometrial cancer. Radiological Society of North America 97th Scientific Assembly and Annual Meeting Program, 2011.
- Rauch GM, Ernst RD, Marcal LP, Choi H, Chang GJ, You YN, Skibber J, Rodriguez-Bigas M, Kaur H. Role of the high-resolution MRI in the presurgical evaluation of low rectal tumors. Radiological Society of North America 97th Scientific Assembly and Annual Meeting Program, 2011.
- Ernst RD, Kaur H, Rauch GM, Chang GJ, You YN, Choi H, Rodriguez-Bigas M, Marcal LP. Key findings in rectal cancer with emphasis on 3T MRI. Radiological Society of North America 97th Scientific Assembly and Annual Meeting Program, 2011.
- Koroglu M, Kayhan A, Orin S, Ernst RD, Yacoub J, Oto A. MRI of ectopic pregnancy: Imaging features and incremental value to ultrasound. 110th Annual Meeting of the American Roentgen Ray Society, AJR Am J Roentgenol 194(5 Suppl), 2010.
- Haygood T, Galvan E, Lano E, Ernst RD, Viswanathan C, Rohren E, Devine C, Marom E. How well do radiologists remember test images?. 110th Annual Meeting of the American Roentgen Ray Society, AJR Am J Roentgenol 194(5 Suppl), 2010.
- Kaur H, Ernst RD, Sagebiel TL, You YN, Hou P, Choi H. Preoperative staging of primary rectal tumors: Role of thin section multiplanar 2D T2 FSE imaging, 3D cube, and diffusion-weighted imaging. Radiological Society of North America 95th Scientific Assembly and Annual Meeting Program. e-Pub 2010.
- Patnana M, Ernst RD, Bedi DG. Ultrasound in soft tissue tumors: An invaluable imaging tool in the diagnosis and management of malignancy and surveillance for recurrence. Radiological Society of North America 95th Scientific Assembly and Annual Meeting Program. e-Pub 2010.
- Bedi DG, Ernst RD, Lu KH. Sonographic findings in early ovarian cancer: Preliminary experience in a population of high risk women screened with biannual ultrasound. Radiological Society of North America 95th Scientific Assembly and Annual Meeting Program. e-Pub 2010.
- Oto A, Kulkarni K, Obara P, Ernst RD. MR imaging of maternal diseases of abdomen and pelvis in pregnant patients. Radiological Society of North America 93rd Scientific Assembly and Annual Meeting Program. e-Pub 2008.
- Bedi D, Patnana M, Gonzalez-de Luna MA, Viswanathan C, Bhosale P, Ernst RD, Bronstein Y, Balachandran A, LePetross C, Devine C, Marcal LP, Vikram K, Lem KW. Ovarian cancer screening: Unveiling the corpus luteum and other actors - how to sort them out. 108th Annual Meeting of the American Roentgen Ray Society, AJR Am J Roentenol 190(4 Suppl), 2008.
- Oto A, Ernst RD, Ghulmiyyah L, Riascos-Castaneda R, Saade G, Hughes D, Chaljub G. Role of MRCP in evaluation of pregnant patients with acute pancreaticobiliary disease. 108th Annual Meeting of the American Roentgen Ray Society, AJR Am J Roentenol 190(4 Suppl), 2008.
- Bhosale P, Vikram R, Balachandran A, Ernst RD, Leonard M, Charnsanjavej C, Tamm E. Imaging findings after Whipples surgery. 108th Annual Meeting of the American Roentgen Ray Society, AJR Am J Roentenol 190(4 Suppl), 2008.
- Ernst RD, Hughes D, Oto A, Tamm E, Riascos R, Nishino T, Silverman PM. Web-based broadcast for the radiology noon conference. Radiological Society of North America Scientific Assembly and Annual Meeting Program [Certificate of Merit Winner], 2007.
- Ernst RD, Leonard M, Mun S, Le O, Oto A, Chaljub G, Luciano V, Riascos R. Evaluation of radiology departmental emergency plans, using lessons taught by Hurricane Rita. American Roentgen Ray Society 107th Annual Meeting Abstract Book, AJR Am J Roentgenol 188(5 Suppl), 2007.
- Ernst RD, Oto A, Cano O, Cesani F, Ethridge K. Alternative diagnosis of appendicitis as seen with CT using only IV contrast. American Roentgen Ray Society 107th Annual Meeting Abstract Book, AJR Am J Roentgenol 188(5 suppl), 2007.
- Oto A, Ernst RD, Ghulmiyyah L, Hughes DE, Nishino TK, Saade G. MR imaging in triage of pregnant patients with acute abdominal and pelvic pain. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2007.
- Oto A, Ernst RD, Jesse MK, Le O, Riascos R, Chaljub G, Saade G. MR imaging of cystic lesions during pregnancy. American Roentgen Ray Society 107th Annual Meeting Abstract Book, AJR Am J Roentgenol 188(5 Suppl), 2007.
- Reddy V, Ernst RD, Oto A, Soloff E, Cesani F, Mileski W, Zachariah B. CT diagnosis of acute appendicitis with IV contrast material alone. American Roentgen Ray Society 106th Annual Meeting Abstract Book, AJR Am J Roentgenol 184(4 Suppl), 2006.
- Gurcan MN, Ernst RD, Oto A, Worrell S, Hoffmeister J, Rogers S. Measurement of colonic polyp size from virtual colonoscopy studies: Comparison of manual and automated methods. Progress in Biomedical Optics and Imaging - Proceedings of Society of Photographic Instrumentation Engineers (SPIE), 2006.
- Oto A, Banta B, Sullivan R, Adegboyaga P, Eksinar S, Ernst RD, Swischuk L. Overcalled acute appendicitis on abdominal CT: Evaluation features with histopathologic correlation. American Roentgen Ray Society 106th Annual Meeting Abstract Book, AJR Am J Roentgenol 186(4 Suppl), 2006.
- Dave A, Ernst RD, Oto A, Reddy VR, Mileski W, Cesani F, Jones E. Radiological manifestations of motorcycle injuries during yearly biker rally. American Roentgen Ray Society 106th Annual Meeting Abstract Book, AJR Am J Roentgenol 186(4 Suppl), 2006.
- Oto A, Dave A, Qiu S, Ernst RD. Submucosal gastroduodenal lesions: CT findings and differential diagnosis. American Roentgen Ray Society 106th Annual Meeting Abstract Book, AJR Am J Roentgenol 186(4 Suppl), 2006.
- Green P, Ernst RD, Oto A, Cesani F, Snyder R, Ethridge KM. The radiologist's role in diagnosis and management of ruptured ectopic pregnancies. American Roentgen Ray Society 106th Annual Meeting Abstract Book, AJR Am J Roentgenol 186(4 Suppl), 2006.
- Ernst RD, Reddy VR, Oto A, Matta FF, Rodriguez G, Spier JM. Ultrasound of extratesticular masses with CT and MR correlation. Radiological Society of North America Scientific Assembly and Annual Meeting Program, 2005.
- Oto A, Le O, Ernst RD, Mileski W, Wolfe GW, Nishino TK. 3D localization of appendix by MDCT and its impact on a surgeon's choice of appendectomy incision. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2005.
- Oto A, Ernst RD, Dave A, Le O, Patel A, Wallace J, Chaljub G. Comparison of T2-weighted fast spin echo sequences acquired with and without parallel imaging technique in MRI of the liver. American Roentgen Ray Society 105th Annual Meeting Abstract Book, AJR Am J Roentgen 184(4 Suppl), 2005.
- Oto A, Dave A, Eltorky M, Ernst RD, Chaljub G, Nealon WH. CT findings mimicking pancreatic neoplasms in patients with chronic pancreatitis. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2005.
- Sullivan RD, Ernst RD, Chaljub G, Oto A, Blackwell T, Nishino TK. Internet and CDROM resources for residency recruiting. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2005.
- Srinivasan P, Oto A, Ernst RD, Bertolino P, Koroglu M, Gei A. Location of the appendix in pregnant patients: Revisited by MR imaging after 72 years. American Roentgen Ray Society 105th Annual Meeting Abstract Book, AJR Am J Roentgen 184(4 Suppl), 2005.
- Nishino T, Ernst RD, Oto A, Chaljub G, Johnson R, et al. Web-based testing for radiology residents. American Roentgen Ray Society 105th Annual Meeting Abstract Book, AJR Am J Roentgen 184(4 Suppl), 2005.
- Ernst RD, Hardie R, Gurcan M, Oto A, Rogers S, Hoffmeister J. CAD performance analysis for pulmonary nodule detection: Comparison of thick-and thin-slice helical CT scans. Radiological Society of North America Scientific Assembly and Annual Meeting Program, 2004.
- Raju G, Abraham B, Schreiber M, Nath S, Ernst RD, Oto A. A prospective comparison of enteroclysis and capsule endoscopy in the diagnosis of obscure gastrointestinal bleeding. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2004.
- Lacy J, Ernst RD, Chaljub G, Oto A. Commercial teleradiology interpretation of musculoskeletal (MSK) MRI studies: Educational and financial rewards for an academic radiology department. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2004.
- Wallace J, Oto A, Ernst RD, Le O, Dave A, Patel A. Comparison of 3D-GRE T1-weighted sequences acquired with and without parallel imaging technique in MRI of the liver. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2004.
- Shah S, Oto A, Ernst RD , Lacy J, Soloff E, Bhutani M. CT colonography post processing techniques using the new GE Advantage Windows Workstation Version 4.1 with Linux 2.4.18 on an HP Workstation running dual Intel Xeon 3.0 GGHz processors. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2004.
- Chen P, Ernst RD, Green P, Cesani F, Handley T, Oto A, et al. First trimester ultrasound DICOM image-based radiology resident assessment. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2004.
- Sarai P, Ernst RD, Oto A, Chaljub G, Nishino T, Leonard M, et al. Incorporating radiological anatomy lectures into the first-year medical student gross anatomy course. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2004.
- Oto A, Srinivasan P, Ernst RD, Koroglu M, Gei A, Saade G. MR imaging of acute abdomen during pregnancy. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2004.
- Mun S, Chen K, Ernst RD , Shah S, Oto A, Mileski W, Swischuk L. Rapid CT diagnosis of acute appendicitis with IV contrast material. Radiological Society of North America Scientific Assembly and Annual Meeting Program. e-Pub 2004.
- Ernst RD, Sarai P, Callas J, Chaljub G, Ozkan O, Oto A, et al. Transition from film to electronic media in the first-year medical school gross anatomy lab. 20th Symposium for Computer Applications in Radiology, J Digit Imaging 16(Suppl 1):138-139, 2003.
- Annamalai P, Anderson M, Ernst RD, Nishino T, Oto A, Wendel J. Comparison of transmission rates of DICOM data via 10 mbps, 100 mbps and 1 gpbs ethernet. Radiological Society of North America Scientific Assembly and Annual Meeting. e-Pub 2003.
- Oto A, Ozkan O, Walser E, Ernst RD, et al. CT findings in patients with chronic pancreatitis who underwent whipple surgery for possible pancreatic cancer. American Roentgen Ray Society 103rd Annual Meeting Abstract Book, AJR Am J Roentgenol 180(3 Suppl), 2003.
- Sarai P, Ernst RD, Chaljub G, Morton L, Nishino T, Oto A, et al. Incorporation of radiology cases in a problem-based learning format for teaching medical gross anatomy. Radiological Society of North America Scientific Assembly and Annual Meeting. e-Pub 2003.
- Shah R, Chaljub G, Ernst RD, Johnson R, Nishino T, Oto A. MRI artifacts in body imaging. Radiological Society of North America Scientific Assembly and Annual Meeting. e-Pub 2003.
- Oto A, Anderson M, Chaljub G, Ernst RD, Morettin L, Ozkan O. MRI of the kidneys using FAME (fasr acquisition, with multi-phase EFGRE3D: Comparison with 2D GRE sequence. Radiological Society of North America Scientific Assembly and Annual Meeting. e-Pub 2003.
- Oto A, Chaljub G, Ernst RD, Shah R, Walser E, Wendel J. Right lower quadrant pain and suspected appendicitis in pregnant patients: Evaluation by pelvic MRI. Radiological Society of North America Scientific Assembly and Annual Meeting. e-Pub 2003.
- Giger M, Cheema J, Uchiyama Y, Mitani Y, Aoyama M, Armato S, Ernst RD, Hans A, Zhou C, Raman B. Special focus session latest developments in computer-aided diagnosis for thoracic CT interpretations. Radiological Society of North America Scientific Assembly and Annual Meeting. e-Pub 2003.
- Ernst RD, Ozkan OS, Oto A, Nishino TK, Walser EM, Chaljub G. Use of manual pre-scanning for rapid MRI and decreased gradient notes exposure. Radiological Society of North America 88th Scientific Assembly and Annual Meeting, Radiology 225(P Suppl), 2002.
- Ernst RD, Callas J, Chaljub G, Ozkan OS, Khamapirad T, Sarai A. Teaching atlas in HTML format for first-year gross anatomy and radiology course. Radiological Society of North America 88th Scientific Assembly and Annual Meeting, Radiology 225(P Suppl), 2002.
- Anderson M, Ernst RD, Shah R, Walser E, Ozkan O, Tamm E. A duplicate picture archiving and communication system (PACS). Radiological Society of North America 88th Scientific Assembly and Annual Meeting, Radiology, 2002.
- Marroquin S, Ernst RD, Chaljub G, Walser E, Swischuk L. Autorad PACS workstation sharpening filter as an alternative to CT scanner console generated bone and lung reformats. American Roentgen Ray Society 102nd Annual Meeting Abstract Book, AJR Am J Roentgenol 178(3 Suppl), 2002.
- Shah R, Ernst RD, Luciano V, Anderson A, Nishino T, Johnson R, et al. Development, construction, and implementation of a low cost, one terabyte teaching file archive. Radiological Society of North America 88th Scientific Assembly and Annual Meeting, Radiology 225(P Suppl), 2002.
- Ernst RD, Le V, Kawashima A, Tamm E, Sandler C. A high-quality, low-cost, internet/intranet-based teaching file. J Digit Imaging 11(Suppl 1):203, 1998.
Book Chapters
- Richardson HH, Oto A, Ernst, RD, McElroy M, Easter D. Possible appendicitis. In: The SAGES Manuel of Strategic Decision Making: Case Studies in Minimal Access Surgery. Springer: New York, 299-310, 2008.
Grant & Contract Support
| Title: | Support for MR Angiography projects |
| Funding Source: | Nycomed Amersham |
| Role: | Co-Program Leader |
| Title: | Software and technical support for DICOM projects |
| Funding Source: | DesAcc, Inc., Project, Siemans Medical Systems, Inc |
| Role: | Co-Investigator |
| Title: | Software and technical support for DICOM projects |
| Funding Source: | Medweb, Inc |
| Role: | Principal Investigator |
| Title: | CAD pulmonary nodule detection project: Software, computer equipment and technical support |
| Funding Source: | iCAD, Inc |
| Role: | Principal Investigator |
| Title: | Pulmonary emboli MDCTA study using 64-slice CT scanners |
| Funding Source: | Bracco Diagnostics, Inc |
| Role: | Co-Investigator |
| Title: | Prospective comparison of air contrast barium enemas, computed tomographic colonography and colonoscopy for evaluation of the colon |
| Funding Source: | NIH/NCI |
| Role: | Co-Investigator |
| Title: | Real-time ultrasound remote guidance of astronauts aboard the International Space Station (ISS) |
| Funding Source: | Space Machine, Wyle Laboratories, National Aeronautics and Space Administration Lyndon B. Johnson Space Center |
| Role: | Co-Investigator |
| Title: | Evaluation and mitigation of potential harms associated with virtual colonoscopy |
| Funding Source: | NIH/NCI |
| Role: | Collaborator |
| Title: | Screening for ovarian cancer in average and high risk women: are there early sonographic signs of ovarian cancer |
| Funding Source: | Society of Radiologist in Ultrasound |
| Role: | Investigator |
| Title: | Axial shear strain elastography in benign and malignant breast disease |
| Funding Source: | University of Texas Health Science Center - Houston |
| Role: | Principal Investigator |
| Title: | Optimization of MRI hardware and software for imaging of the rectum |
| Funding Source: | GE Healthcare |
| Role: | Principal Investigator |
Patient Reviews
CV information above last modified August 07, 2024