University of California San Francisco
Helen Diller Family Comprehensive Cancer Center
Spencer Behr, MD

Spencer Behr, MD

Co-Director, Cancer Imaging Research Shared Resource, UCSF Helen Diller Family Comprehensive Cancer Center; Assistant Professor of Radiology, UCSF

Research Summary

Spencer Behr, MD, is an Assistant Professor of Clinical Radiology and the Director of the Fellowship for both the Abdominal Imaging subspecialty and for the Department of Radiology and Biomedical Imaging at the University of California, San Francisco. He obtained his medical degree from Tufts University School of Medicine, Boston in 2005. In 2010, he completed a four-year Diagnostic Radiology residency at the Lahey Clinic Medical Center in Burlington, Massachusetts, followed by a fellowship in Abdominal Imaging and Nuclear Medicine at UCSF.

Dr. Behr has subspecialty training in abdominal imaging and nuclear medicine, and his research interests are focused on molecular and hybrid imaging translational research. He has selectively pursued interdepartmental projects to foster cross-disciplinary discussions and optimize the clinical impact of these projects.

Projects include: FDG PET in breast cancer, comparing breast cancer molecular subtypes with their respective FDG PET and breast MRI findings, CT findings in Celiac Disease, fluoro-18-fluorothymidine (FLT) PET as a potential marker of early response in patients with metastatic melanoma, CT appearance of malabsorption, and clinical applications of iodine-124 PET/CT in thyroid cancer.

Selected Publications

  1. Cabarrus MC, Yeh BM, Phelps AS, Ou JJ, Behr SC. From Inguinal Hernias to Spermatic Cord Lipomas: Pearls, Pitfalls, and Mimics of Abdominal and Pelvic Hernias. Radiographics. 2017 Nov-Dec; 37(7):2063-2082.
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  2. Fernandez A, Conrad M, Gill RM, Choi WT, Kumar V, Behr S. Solitary fibrous tumor in the abdomen and pelvis: A case series with radiological findings and treatment recommendations. Clin Imaging. 2017 Oct 07; 48:48-54.
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  3. Lake ST, Greene KL, Westphalen AC, Behr SC, Zagoria R, Small EJ, Carroll PR, Hope TA. Optimal MRI sequences for 68Ga-PSMA-11 PET/MRI in evaluation of biochemically recurrent prostate cancer. EJNMMI Res. 2017 Sep 19; 7(1):77.
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  4. Katz MHG, Ou FS, Herman JM, Ahmad SA, Wolpin B, Marsh R, Behr S, Shi Q, Chuong M, Schwartz LH, Frankel W, Collisson E, Koay EJ, Hubbard JM, Leenstra JL, Meyerhardt J, O'Reilly E. Alliance for clinical trials in oncology (ALLIANCE) trial A021501: preoperative extended chemotherapy vs. chemotherapy plus hypofractionated radiation therapy for borderline resectable adenocarcinoma of the head of the pancreas. BMC Cancer. 2017 Jul 27; 17(1):505.
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  5. Aggarwal R, Behr SC, Paris PL, Truillet C, Parker MFL, Huynh LT, Wei J, Hann B, Youngren J, Huang J, Premasekharan G, Ranatunga N, Chang E, Gao KT, Ryan CJ, Small EJ, Evans MJ. Real-Time Transferrin-Based PET Detects MYC-Positive Prostate Cancer. Mol Cancer Res. 2017 Sep; 15(9):1221-1229.
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  6. Meier JM, Behr SC, Jordan E, Pallav Kolli K, Yeh BM. Intraperitoneal metastases after transarterial embolization of hepatocellular carcinoma: An observational study. Abdom Radiol (NY). 2017 Jun; 42(6):1794-1798.
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  7. Ohliger MA, Hope TA, Chapman JS, Chen LM, Behr SC, Poder L. PET/MR Imaging in Gynecologic Oncology. Magn Reson Imaging Clin N Am. 2017 Aug; 25(3):667-684.
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  8. Lawhn-Heath C, Flavell RR, Glastonbury C, Hope TA, Behr SC. Incidental Detection of Head and Neck Squamous Cell Carcinoma on 68Ga-PSMA-11 PET/CT. Clin Nucl Med. 2017 Apr; 42(4):e218-e220.
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  9. Yang J, Jian Y, Jenkins N, Behr SC, Hope TA, Larson PEZ, Vigneron D, Seo Y. Quantitative Evaluation of Atlas-based Attenuation Correction for Brain PET in an Integrated Time-of-Flight PET/MR Imaging System. Radiology. 2017 Jul; 284(1):169-179.
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  10. Yeh MJ, Kim SY, Jhaveri KS, Behr SC, Seo N, Yeh BM. Imaging of autoimmune biliary disease. Abdom Radiol (NY). 2017 Jan; 42(1):3-18.
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  11. Mari Aparici C, Behr SC, Seo Y, Kelley RK, Corvera C, Gao KT, Aggarwal R, Evans MJ. Imaging Hepatocellular Carcinoma With 68Ga-Citrate PET: First Clinical Experience. Mol Imaging. 2017 Jan-Dec; 16:1536012117723256.
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  12. Atreya CE, Greene C, McWhirter RM, Ikram NS, Allen IE, Van Loon K, Venook AP, Yeh BM, Behr SC. Differential Radiographic Appearance of BRAF V600E-Mutant Metastatic Colorectal Cancer in Patients Matched by Primary Tumor Location. J Natl Compr Canc Netw. 2016 Dec; 14(12):1536-1543.
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  13. Behr SC, Aggarwal R, Seo Y, Aparici CM, Chang E, Gao KT, Tao DH, Small EJ, Evans MJ. A Feasibility Study Showing [68Ga]Citrate PET Detects Prostate Cancer. Mol Imaging Biol. 2016 Dec; 18(6):946-951.
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  14. Jha P, Bentley B, Behr S, Yee J, Zagoria R. Imaging of flank pain: readdressing state-of-the-art. Emerg Radiol. 2017 Feb; 24(1):81-86.
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  15. Choi JY, Yang J, Noworolski SM, Behr S, Chang AJ, Simko JP, Nguyen HG, Carroll PR, Kurhanewicz J, Seo Y. 18F Fluorocholine Dynamic Time-of-Flight PET/MR Imaging in Patients with Newly Diagnosed Intermediate- to High-Risk Prostate Cancer: Initial Clinical-Pathologic Comparisons. Radiology. 2017 Feb; 282(2):429-436.
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  16. Li Y, Mongan J, Behr SC, Sud S, Coakley FV, Simko J, Westphalen AC. Beyond Prostate Adenocarcinoma: Expanding the Differential Diagnosis in Prostate Pathologic Conditions. Radiographics. 2016 Jul-Aug; 36(4):1055-75.
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  17. Flavell RR, Behr SC, Mabray MC, Hernandez-Pampaloni M, Naeger DM. Detecting Pulmonary Nodules in Lung Cancer Patients Using Whole Body FDG PET/CT, High-resolution Lung Reformat of FDG PET/CT, or Diagnostic Breath Hold Chest CT. Acad Radiol. 2016 Sep; 23(9):1123-9.
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  18. Mabray MC, Brus-Ramer M, Behr SC, Pampaloni MH, Majumdar S, Dillon WP, Talbott JF. (18)F-Sodium Fluoride PET-CT Hybrid Imaging of the Lumbar Facet Joints: Tracer Uptake and Degree of Correlation to CT-graded Arthropathy. World J Nucl Med. 2016 May-Aug; 15(2):85-90.
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  19. Ehman EC, Behr SC, Umetsu SE, Fidelman N, Yeh BM, Ferrell LD, Hope TA. Rate of observation and inter-observer agreement for LI-RADS major features at CT and MRI in 184 pathology proven hepatocellular carcinomas. Abdom Radiol (NY). 2016 May; 41(5):963-9.
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  20. Flavell RR, Naeger DM, Aparici CM, Hawkins RA, Pampaloni MH, Behr SC. Malignancies with Low Fluorodeoxyglucose Uptake at PET/CT: Pitfalls and Prognostic Importance: Resident and Fellow Education Feature. Radiographics. 2016 Jan-Feb; 36(1):293-4.
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