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Spencer Behr, MD

Title(s)Associate Professor, Radiology
SchoolSchool of Medicine
Phone415-353-4889
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    Collapse Biography 
    Collapse Education and Training
    Tufts UniversityM.D.2005School of Medicine
    Saint Vincent Hospital, Worchester, NYInternshipMedicine
    Lahey Clinic Medical Center, Burlington, MAResidencyDiagnostic Radiology
    Lahey Clinic Medical Center, Burlington, MAResidencyChief Resident, Diagnostic Radiology
    University of California, San Francisco, San Francisco, CAFellowshipAbdominal Imaging
    University of California, San Francisco, San Francisco, CAFellowshipNuclear Medicine
    American Board of Nuclear Medicine
    American Board of Radiology with Authorized User2010Board Certified
    Full Medical License, California
    ACLS, BLS Certification
    Fluoroscopy License

    Collapse Overview 
    Collapse Overview
    Spencer Behr, MD, is an Associate 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.

    Expertise:
    Abdominal Imaging and Nuclear Medicine

    Specialty:
    Molecular and hybrid imaging translational research

    Professional Interests:
    Translational research in the fields of prostate and the development of novel imaging techniques using PET/CT and PET/MR

    Education and Training:
    • Medical School: Tufts University School of Medicine, Boston - Medicine
    • Internship: Saint Vincent Hospital, Worchester - Medicine
    • Residency: Lahey Clinic Medical Center, Burlington - Diagnostic Radiology
    • Residency: Lahey Clinic Medical Center, Burlington - Chief Resident, Diagnostic Radiology
    • Fellowship: University of California, San Francisco - Abdominal Imaging
    • Fellowship: University of California, San Francisco - Nuclear Medicine
    • American Board of Nuclear Medicine
    • American Board of Radiology with Authorized User - Board Certified 2010
    • Full Medical License: California
    • ACLS, BLS Certification
    • Fluoroscopy License

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    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
    List All   |   Timeline
    1. Winklhofer S, Lin WC, Wang ZJ, Behr SC, Westphalen AC, Yeh BM. Comparison of Positive Oral Contrast Agents for Abdominopelvic CT. AJR Am J Roentgenol. 2019 Mar 05; 1-7. PMID: 30835523.
      View in: PubMed
    2. Perez PM, Flavell RR, Kelley RK, Umetsu S, Behr SC. Heterogeneous Uptake of 18F-FDG and 68Ga-PSMA-11 in Hepatocellular Carcinoma. Clin Nucl Med. 2019 Jan 04. PMID: 30624275.
      View in: PubMed
    3. Perez PM, Hope TA, Behr SC, van Zante A, Small EJ, Flavell RR. Intertumoral Heterogeneity of 18F-FDG and 68Ga-PSMA Uptake in Prostate Cancer Pulmonary Metastases. Clin Nucl Med. 2019 Jan; 44(1):e28-e32. PMID: 30394930.
      View in: PubMed
    4. Behr SC, Aggarwal R, Van Brocklin HF, Flavell RR, Geo K, Small EJ, Blecha J, Jivan S, Hope TA, Simko JP, Kurhanewicz J, Noworolski SM, Korn NJ, De Los Santos R, Cooperberg MR, Carroll PR, Nguyen HG, Greene KL, Langton-Webster B, Berkman CE, Seo Y. First-in-Human Phase I study of CTT1057, a Novel 18F Labeled Imaging Agent with Phosphoramidate Core Targeting Prostate Specific Membrane Antigen in Prostate Cancer. J Nucl Med. 2018 Nov 21. PMID: 30464040.
      View in: PubMed
    5. Ding Y, Sohn JH, Kawczynski MG, Trivedi H, Harnish R, Jenkins NW, Lituiev D, Copeland TP, Aboian MS, Mari Aparici C, Behr SC, Flavell RR, Huang SY, Zalocusky KA, Nardo L, Seo Y, Hawkins RA, Hernandez Pampaloni M, Hadley D, Franc BL. A Deep Learning Model to Predict a Diagnosis of Alzheimer Disease by Using 18F-FDG PET of the Brain. Radiology. 2018 Nov 06; 180958. PMID: 30398430.
      View in: PubMed
    6. Behr SC, Villanueva-Meyer JE, Li Y, Wang YH, Wei J, Moroz A, Lee JK, Hsiao JC, Gao KT, Ma W, Cha S, Wilson DM, Seo Y, Nelson SJ, Chang SM, Evans MJ. Targeting iron metabolism in high-grade glioma with 68Ga-citrate PET/MR. JCI Insight. 2018 Nov 02; 3(21). PMID: 30385712.
      View in: PubMed
    7. Sherman CB, Behr S, Dodge JL, Roberts JP, Yao FY, Mehta N. Distinguishing Tumor from Bland Portal Vein Thrombus in Liver Transplant Candidates with Hepatocellular Carcinoma: The "A-VENA" Criteria. Liver Transpl. 2018 Sep 24. PMID: 30246323.
      View in: PubMed
    8. Huang SY, Franc BL, Harnish RJ, Liu G, Mitra D, Copeland TP, Arasu VA, Kornak J, Jones EF, Behr SC, Hylton NM, Price ER, Esserman L, Seo Y. Exploration of PET and MRI radiomic features for decoding breast cancer phenotypes and prognosis. NPJ Breast Cancer. 2018; 4:24. PMID: 30131973.
      View in: PubMed
    9. Wang ZJ, Behr S, Consunji MV, Yeh BM, Ohliger MA, Gao K, Ko AH, Cinar P, Tempero MA, Collisson EA. Early Response Assessment in Pancreatic Ductal Adenocarcinoma Through Integrated PET/MRI. AJR Am J Roentgenol. 2018 Nov; 211(5):1010-1019. PMID: 30063366.
      View in: PubMed
    10. Jha P, Behr S, Morgan T, Washburn E, Lucero J, Chen LM, Poder L. Imaging findings of concealed intra-amniotic hemorrhage in the setting of placenta previa and placenta accreta spectrum disorder. Emerg Radiol. 2018 Jun 17. PMID: 29911274.
      View in: PubMed
    11. Behr SC, Bahroos E, Hawkins RA, Nardo L, Ravanfar V, Capbarat EV, Seo Y. Quantitative and Visual Assessments toward Potential Sub-mSv or Ultrafast FDG PET Using High-Sensitivity TOF PET in PET/MRI. Mol Imaging Biol. 2018 06; 20(3):492-500. PMID: 29192363.
      View in: PubMed
    12. Jordan CD, Han M, Kondapavulur S, Vera DB, Neumann KD, Moore T, Stillson C, Krug R, Behr S, Seo Y, VanBrocklin HF, Larson PEZ, Wilson M, Martin AJ, Hetts SW. Quantification of 89 Zr-Iron oxide nanoparticle biodistribution using PET-MR and ultrashort TE sequences. J Magn Reson Imaging. 2018 Dec; 48(6):1717-1720. PMID: 29761624.
      View in: PubMed
    13. Calabrese E, Baghdanian AH, Zagoria RJ, Behr SC. Arteriovenous malformation of the ureter diagnosed by CT urogram. Urol Case Rep. 2018 Jul; 19:20-22. PMID: 29888180.
      View in: PubMed
    14. Lim HC, Montesion M, Botton T, Collisson EA, Umetsu SE, Behr SC, Gordan JD, Stephens PJ, Kelley RK. Hybrid Capture-Based Tumor Sequencing and Copy Number Analysis to Confirm Origin of Metachronous Metastases in BRCA1-Mutant Cholangiocarcinoma Harboring a Novel YWHAZ-BRAF Fusion. Oncologist. 2018 Sep; 23(9):998-1003. PMID: 29622700.
      View in: PubMed
    15. Marcus SG, Candia S, Kohli MD, Mongan J, Zagoria RJ, Behr SC, Sun D, Westphalen AC. Association between misty mesentery with baseline or new diagnosis of cancer: a matched cohort study. Clin Imaging. 2018 Jul - Aug; 50:57-61. PMID: 29276962.
      View in: PubMed
    16. 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. PMID: 29131768.
      View in: PubMed
    17. 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. 2018 Mar - Apr; 48:48-54. PMID: 29028514.
      View in: PubMed
    18. Garcia-Reyes K, Nguyen HG, Zagoria RJ, Shinohara K, Carroll PR, Behr SC, Westphalen AC. Impact of Lesion Visibility on Transrectal Ultrasound on the Prediction of Clinically Significant Prostate Cancer (Gleason Score 3 + 4 or Greater) with Transrectal Ultrasound-Magnetic Resonance Imaging Fusion Biopsy. J Urol. 2018 Mar; 199(3):699-705. PMID: 28941918.
      View in: PubMed
    19. 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. PMID: 28929350.
      View in: PubMed
    20. Leapman MS, Wang ZJ, Behr SC, Kurhanewicz J, Zagoria RJ, Carroll PR, Westphalen AC. Impact of the integration of proton magnetic resonance imaging spectroscopy to PI-RADS 2 for prediction of high grade and high stage prostate cancer. Radiol Bras. 2017 Sep-Oct; 50(5):299-307. PMID: 29085163.
      View in: PubMed
    21. 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. PMID: 28750659.
      View in: PubMed
    22. 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 09; 15(9):1221-1229. PMID: 28592703.
      View in: PubMed
    23. 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 06; 42(6):1794-1798. PMID: 28197682.
      View in: PubMed
    24. 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. PMID: 28668166.
      View in: PubMed
    25. 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. PMID: 28166149.
      View in: PubMed
    26. 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 07; 284(1):169-179. PMID: 28234560.
      View in: PubMed
    27. 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. PMID: 28893116.
      View in: PubMed
    28. Yeh MJ, Kim SY, Jhaveri KS, Behr SC, Seo N, Yeh BM. Imaging of autoimmune biliary disease. Abdom Radiol (NY). 2017 01; 42(1):3-18. PMID: 27639563.
      View in: PubMed
    29. Behr SC, Mollard BJ, Yang J, Flavell RR, Hawkins RA, Seo Y. Effect of Time-of-Flight and Regularized Reconstructions on Quantitative Measurements and Qualitative Assessments in Newly Diagnosed Prostate Cancer With 18F-Fluorocholine Dual Time Point PET/MRI. Mol Imaging. 2017 Jan-Dec; 16:1536012117736703. PMID: 29169313.
      View in: PubMed
    30. 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 12; 18(6):946-951. PMID: 27184068.
      View in: PubMed
    31. 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 12; 14(12):1536-1543. PMID: 27956538.
      View in: PubMed
    32. 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. PMID: 27614885.
      View in: PubMed
    33. 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. PMID: 27513849.
      View in: PubMed
    34. 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. PMID: 27315446.
      View in: PubMed
    35. 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 09; 23(9):1123-9. PMID: 27283073.
      View in: PubMed
    36. 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 05; 41(5):963-9. PMID: 27193793.
      View in: PubMed
    37. 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. PMID: 27134557; PMCID: PMC4809160.
      View in: PubMed, PubMed Central
    38. 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. PMID: 26761542; PMCID: PMC4801421 [Available on 01/01/17].
      View in: PubMed, PubMed Central
    39. Yang J, Jian Y, Tohme M, Behr S, Vigneron D, Majumdar S, Seo Y. Impact of atlas-CT-based bone anatomy compensation on MR-based attenuation correction for brain PET imaging in a time-of-flight PET/MRI system: A direct comparison to a patient-CT-based approach. EJNMMI Phys. 2015 Dec; 2(Suppl 1):A68. PMID: 26956328; PMCID: PMC4798716.
      View in: PubMed, PubMed Central
    40. Dhatt HS, Behr SC, Miracle A, Wang ZJ, Yeh BM. Radiological Evaluation of Bowel Ischemia. Radiol Clin North Am. 2015 Nov; 53(6):1241-54. PMID: 26526436; PMCID: PMC4633709 [Available on 11/01/16].
      View in: PubMed, PubMed Central
    41. Kohi MP, Fidelman N, Behr S, Taylor AG, Kolli K, Conrad M, Hwang G, Weinstein S. Periprocedural Patient Care. Radiographics. 2015 Oct; 35(6):1766-78. PMID: 26466184.
      View in: PubMed
    42. Olorunsola OG, Kohi MP, Behr SC, Kolli PK, Taylor AG, Tong RT, LaBerge JM, Kerlan RK, Fidelman N. Imaging Predictors of Elevated Lung Shunt Fraction in Patients Being Considered for Yttrium-90 Radioembolization. J Vasc Interv Radiol. 2015 Oct; 26(10):1472-8. PMID: 26296737.
      View in: PubMed
    43. Mabray MC, Behr SC, Naeger DM, Flavell RR, Glastonbury CM. Predictors of pathologic outcome of focal FDG uptake in the parotid gland identified on whole-body FDG PET imaging. Clin Imaging. 2015 Nov-Dec; 39(6):1073-9. PMID: 26324219; PMCID: PMC4630158 [Available on 11/01/16].
      View in: PubMed, PubMed Central
    44. Burris NS, Johnson KM, Larson PE, Hope MD, Nagle SK, Behr SC, Hope TA. Detection of Small Pulmonary Nodules with Ultrashort Echo Time Sequences in Oncology Patients by Using a PET/MR System. Radiology. 2016 Jan; 278(1):239-46. PMID: 26133050; PMCID: PMC4699498 [Available on 01/01/17].
      View in: PubMed, PubMed Central
    45. Barajas RF, Pampaloni MH, Clarke JL, Seo Y, Savic D, Hawkins RA, Behr SC, Chang SM, Berger M, Dillon WP, Cha S. Assessing Biological Response to Bevacizumab Using 18F-Fluoromisonidazole PET/MR Imaging in a Patient with Recurrent Anaplastic Astrocytoma. Case Rep Radiol. 2015; 2015:731361. PMID: 25793136; PMCID: PMC4352456.
      View in: PubMed, PubMed Central
    46. Naeger DM, Behr SC. PET/MR imaging: current and future applications for cardiovascular disease. Magn Reson Imaging Clin N Am. 2015 Feb; 23(1):95-103. PMID: 25476678.
      View in: PubMed
    47. Liu T, Behr S, Khan S, Osterhoff R, Aparici CM. Focal Colonic FDG Activity with PET/CT: Guidelines for Recommendation of Colonoscopy. World J Nucl Med. 2015 Jan-Apr; 14(1):25-30. PMID: 25709541; PMCID: PMC4337003.
      View in: PubMed, PubMed Central
    48. Valenzuela DM, Behr SC, Coakley FV, Wang ZJ, Webb EM, Yeh BM. Computed tomography of iatrogenic complications of upper gastrointestinal endoscopy, stenting, and intubation. Radiol Clin North Am. 2014 Sep; 52(5):1055-70. PMID: 25173658.
      View in: PubMed
    49. Flavell RR, Behr SC, Brunsing RL, Naeger DM, Pampaloni MH. The incidence of pulmonary embolism and associated FDG-PET findings in IV contrast-enhanced PET/CT. Acad Radiol. 2014 Jun; 21(6):718-25. PMID: 24809314.
      View in: PubMed
    50. Coakley FV, Grant MJ, Behr S, Foster BR, Korngold EK, Didier RA. Imaging of invasive thymoma in the costophrenic recess presenting as thickening of arcuate ligaments of the diaphragm. Clin Imaging. 2014 Jul-Aug; 38(4):529-531. PMID: 24629791; PMCID: PMC4048795.
      View in: PubMed, PubMed Central
    51. Miracle AC, Behr SC, Benhamida J, Gill RM, Yeh BC. Mesenteric inflammatory veno-occlusive disease: radiographic and histopathologic evaluation of 2 cases. Abdom Imaging. 2014 Feb; 39(1):18-24. PMID: 24318211.
      View in: PubMed
    52. Bolouri MS, Elias SG, Wisner DJ, Behr SC, Hawkins RA, Suzuki SA, Banfield KS, Joe BN, Hylton NM. Triple-negative and non-triple-negative invasive breast cancer: association between MR and fluorine 18 fluorodeoxyglucose PET imaging. Radiology. 2013 Nov; 269(2):354-61. PMID: 23878283; PMCID: PMC3807081.
      View in: PubMed, PubMed Central
    53. Behr SC, Courtier JL, Qayyum A. Imaging of müllerian duct anomalies. Radiographics. 2012 Oct; 32(6):E233-50. PMID: 23065173.
      View in: PubMed
    54. Scholz FJ, Afnan J, Behr SC. CT findings in adult celiac disease. Radiographics. 2011 Jul-Aug; 31(4):977-92. PMID: 21768234.
      View in: PubMed
    55. Scholz FJ, Behr SC, Scheirey CD. Intramural fat in the duodenum and proximal small intestine in patients with celiac disease. AJR Am J Roentgenol. 2007 Oct; 189(4):786-90. PMID: 17885046.
      View in: PubMed
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