Daria Motamedi, MD

Associate Professor
Asst. Prof of Clin Radiology


Daria Motamedi, MD, is an Associate Professor of Clinical Radiology, Founder/Director of Musculoskeletal Ultrasound, and Quality Champion for the Musculoskeletal Imaging Section in the Department of Radiology and Biomedical Imaging at the University of California, San Francisco.

In 2006, Dr. Motamedi received his medical degree from the University of Minnesota, Minneapolis. He completed a one-year Transitional Medicine internship at UCLA in 2007 and a four-year Diagnostic Radiology residency at Cedars-Sinai/UCLA Medical Center in 2011, followed by a Musculoskeletal Imaging fellowship with Dr. Donald Resnick at UCSD in 2012. In 2013, after spending one year at Georgetown University, he joined the UCSF Musculoskeletal Imaging faculty as an Assistant Professor of Clinical Radiology.

Dr. Motamedi is a member of the Society of Skeletal Radiology, the European Society of Skeletal Radiology, the Radiological Society of North America, the American Roentgen Ray Society, and the American Academy of Orthopedic Surgeons. He is also an invited member of the Society of Academic Bone Radiologists, a society consisting of the top national practitioners in his field.

Dr. Motamedi serves as an editor for the Davies MSK Sonography Review, has written 15 book chapters, and has published 38 peer-reviewed articles and 46 abstracts.

Dr. Motamedi lectures internationally on topics related to sports medicine and musculoskeletal ultrasound. In recent years, he has been invited to speak in India, Costa Rica, Bermuda, Australia, Sweden, and Spain.

Dr. Motamedi is a founding member of the UCSF Musculoskeletal Ultrasound Committee and a member of the UCSF Diagnostic Radiology Residency Committee.

Dr. Motamedi serves on committees for the two largest radiological societies in North America, including the RSNA Scientific Program Committee and the ARRS Live Programming/Item Writing Committee. He also serves on committees for two musculoskeletal societies, including the Research Committee for the Society of Skeletal Radiology and the Rules Committee for the Society of Academic Bone Radiologists.

Dr. Motamedi is a reviewer for Skeletal Radiology and Clinical Imaging.

Orthopedic MRI and Musculoskeletal Ultrasound.

Professional Interests:
Sports medicine, musculoskeletal ultrasound, and artificial intelligence.

Education and Training:
• Medical School: University of Minnesota, Minneapolis
• Internship: Harbor – University of California, Los Angeles
• Residency: Cedars-Sinai/UCLA Medical Center, West Hollywood, California - Diagnostic Radiology
• Fellowship: University of California, San Diego - Musculoskeletal Imaging
• Medical Licensure, California
• X-ray Supervisor
• American Board of Radiology
• Drug Enforcement Administration

Honors and Awards

Seed Grant, American Society for Surgery of the Hand
Cum Laude Award, Radiological Society of North America
Excellence in Reviewing, Skeletal Radiology
Invited Member, Society of Academic Bone Radiologists


Singh S, Morshed S, Motamedi D, Kidane J, Paul A, Hsiao EC, Wentworth KL. Identification of Risk Factors in the Development of Heterotopic Ossification after Primary Total Hip Arthroplasty. J Clin Endocrinol Metab. 2022 Apr 22.
Bharadwaj UU, Coy A, Motamedi D, Sun D, Joseph GB, Krug R, Link TM. CT-like MRI: a qualitative assessment of ZTE sequences for knee osseous abnormalities. Skeletal Radiol. 2022 Aug; 51(8):1585-1594.
Davies MR, Tang A, Motamedi D, Ma CB, Feeley BT, Lansdown D. MRI-Based Shoulder Osteoarthritis Severity Score (SOAS) is Predictive of Functional Improvement Following Total Shoulder Arthroplasty. JSES: Seminars in Arthroplasty. 2021.
Motamedi D, Bauer AH, Patel R, Morgan TA. Problem Solved: Integral Applications of Musculoskeletal Ultrasound. J Ultrasound Med. 2021 Aug; 40(8):1693-1704.
Blanchard L, Nicklies E, Motamedi D. Desmoid Tumor Causing Shoulder Pain in an Adolescent Male. J Orthop Sports Phys Ther. 2020 08; 50(8):467.
McGill K, Motamedi D, Azimi N, Horvai A, O'Donnell R. Pleomorphic Sarcoma in a Patient with Osteopetrosis. J Radiol Case Rep. 2020 Jul; 14(7):1-9.
Sukhmani Singh, Joseph Kidane, Kelly Lee Wentworth, Daria Motamedi, Saam Morshed, Edward Chiaming Hsiao. MON-348 Surgical Management of Bilateral Hip Fracture in a Patient with Fibrodysplasia Ossificans Progressiva Treated with Palovarotene. Journal of the Endocrine Society. 2020 May 8; 4(Suppl 1).
Singh S, Kidane J, Wentworth KL, Motamedi D, Morshed S, Schober AE, Hsiao EC. Surgical management of bilateral hip fractures in a patient with fibrodysplasia ossificans progressiva treated with the RAR-γ agonist palovarotene: a case report. BMC Musculoskelet Disord. 2020 Apr 03; 21(1):204.
Gutierrez LB, Link TM, Horvai AE, Joseph GB, O'Donnell RJ, Motamedi D. Secondary aneurysmal bone cysts and associated primary lesions: imaging features of 49 cases. Clin Imaging. 2020 Jun; 62:23-32.
Lau BC, Motamedi D, Luke A. Use of Pocket-Sized Ultrasound Device in the Diagnosis of Shoulder Pathology. Clin J Sport Med. 2020 01; 30(1):20-24.
Wright A, Patel R, Motamedi D. Influenza Vaccine-related Subacromial/Subdeltoid Bursitis: A Case Report. J Radiol Case Rep. 2019 Jun; 13(6):24-31.
Motamedi D, Patel R, Devulapalli KK, Gensler LS, Steinbach L. MR distribution of active inflammatory and chronic structural sacroiliac joint changes in axial spondyloarthropathy: Challenging conventional wisdom. Clin Imaging. 2019 Nov - Dec; 58:70-73.
Lau BC, Motamedi D, Lee N. Orthopaedic Residents' Interpretation of Point-of-Care Assessment of Distal Radial Fractures with Use of Pocket-Sized Ultrasound Devices. J Bone Joint Surg Am. 2019 May 01; 101(9):e38.
Monroe EJ, Chambers CC, Davoodian A, Cho SJ, Motamedi D, Allen CR. Intra-articular Osteoid Osteoma of the Distal Femur Treated with Osteochondral Grafting: A Report of 2 Cases. JBJS Case Connect. 2019 Apr-Jun; 9(2):e0211.
Patel R, Busby LP, Motamedi D. Delayed Diagnosis in a Case of Smoldering Sporotrichal Monoarthropathy. J Radiol Case Rep. 2019 Jan; 13(1):17-23.
Morgan TA, Motamedi D. Incorporating musculoskeletal ultrasound into your radiology practice: patients, patience, and why your department cannot do without it. Skeletal Radiol. 2019 Feb; 48(2):191-194.
Christopher DaPrato, Roland Krug, Richard Souza, Daria Motamedi. The immediate and long-term effects of negative pressure soft tissue mobilization on the iliotibial bands of runners using magnetic resonance imaging. Journal of Bodywork and Movement Therapies. 2018 Oct 1; 22(4):863.
Lansdown DA, Bendich I, Motamedi D, Feeley BT. Imaging-Based Prevalence of Superior Labral Anterior-Posterior Tears Significantly Increases in the Aging Shoulder. Orthop J Sports Med. 2018 Sep; 6(9):2325967118797065.
Bauer AH, Bonham J, Gutierrez L, Hsiao EC, Motamedi D. Fibrodysplasia ossificans progressiva: a current review of imaging findings. Skeletal Radiol. 2018 Aug; 47(8):1043-1050.
Lau BC, Motamedi D, Luke A. Use of Pocket-Sized Ultrasound Device in the Diagnosis of Shoulder Pathology. Clin J Sport Med. 2018 Feb 14.
Holmes MG, Foss E, Joseph G, Foye A, Beckett B, Motamedi D, Youngren J, Thomas GV, Huang J, Aggarwal R, Alumkal JJ, Beer TM, Small EJ, Link TM. CT-Guided Bone Biopsies in Metastatic Castration-Resistant Prostate Cancer: Factors Predictive of Maximum Tumor Yield. J Vasc Interv Radiol. 2017 Aug; 28(8):1073-1081.e1.
Morgan TA, Piper SL, Lattanza LL, Goldstein RB, Link T, Motamedi D. Distal Forearm Fracture Open Reduction-Internal Fixation: Sonographic Detection of Hardware Malalignment and Associated Tendon Injuries Missed by Radiography. J Ultrasound Med. 2017 Oct; 36(10):2173-2177.
Lau BC, Robertson A, Motamedi D, Lee N. The Validity and Reliability of a Pocket-Sized Ultrasound to Diagnose Distal Radius Fracture and Assess Quality of Closed Reduction. J Hand Surg Am. 2017 Jun; 42(6):420-427.
Garwood ER, Souza RB, Zhang A, Zhang AL, Ma CB, Link TM, Motamedi D. Axial traction magnetic resonance imaging (MRI) of the glenohumeral joint in healthy volunteers: initial experience. Clin Imaging. 2017 Mar - Apr; 42:178-182.
Brian C. Lau, Aaron J. Robertson, Daria Motamedi, Nicholas Lee. The Use of Pocket-sized Handheld Ultrasound to Diagnose Distal Radius Fracture and Assess Quality of Closed Reduction Level 2 Evidence. The Journal Of Hand Surgery. 2016 Sep 1; 41(9):s24-s25.
Trivedi H, Link TM, O'Donnell RJ, Horvai AE, Motamedi D. Multiple hereditary exostoses: A pseudoaneurysm masquerading as tumor. J Radiol Case Rep. 2016 Aug; 10(8):50-59.
Gutierrez LB, Link T, Chaganti K, Motamedi D. Arterial calcification due to CD73 deficiency (ACDC): imaging manifestations of ectopic mineralization. Skeletal Radiol. 2016 Nov; 45(11):1583-7.
Burke C, Link T, O'Donnell RJ, Cho SJ, Motamedi D. Giant Cell Tumor of Bone: Documented Progression over 4 Years from Its Origin at the Metaphysis to the Articular Surface. Case Rep Radiol. 2016; 2016:9786925.
Gutierrez L, Morgan T, Feeley B, Link T, Motamedi D. Utility of Musculoskeletal Ultrasound in the Diagnosis and Treatment of Suprapatellar Fat Pad Impingement: A Case Report. J Clin Case Rep. 2016; 837(6).
Leeman JJ, Motamedi D, Wildman-Tobriner B, O'Donnell RJ, Link TM. Intra-articular osteoid osteoma at the femoral trochlea treated with osteochondral autograft transplantation. J Radiol Case Rep. 2016 Jun; 10(6):22-29.
Patel R, Eltgroth M, Souza R, Zhang CA, Majumdar S, Link TM, Motamedi D. Loaded versus unloaded magnetic resonance imaging (MRI) of the knee: Effect on meniscus extrusion in healthy volunteers and patients with osteoarthritis. Eur J Radiol Open. 2016; 3:100-7.
Bahoush G, Motamedi D, Vossough P. Initial lymphocyte count in patients with acute immune thrombocytopenic purpura: Can it predict persistence of the disease? Minerva Pediatr. 2014 Dec 12.
Motamedi D, Everist BM, Mahanty SR, Steinbach LS. Pitfalls in shoulder MRI: part 1--normal anatomy and anatomic variants. AJR Am J Roentgenol. 2014 Sep; 203(3):501-7.
Motamedi D, Everist BM, Mahanty SR, Steinbach LS. Pitfalls in shoulder MRI: part 2--biceps tendon, bursae and cysts, incidental and postsurgical findings, and artifacts. AJR Am J Roentgenol. 2014 Sep; 203(3):508-15.
Modarresi S, Motamedi D, Jude CM. Superior labral anteroposterior lesions of the shoulder: part 1, anatomy and anatomic variants. AJR Am J Roentgenol. 2011 Sep; 197(3):596-603.
Modarresi S, Motamedi D, Jude CM. Superior labral anteroposterior lesions of the shoulder: part 2, mechanisms and classification. AJR Am J Roentgenol. 2011 Sep; 197(3):604-11.
Motamedi D, Learch TJ, Ishimitsu DN, Motamedi K, Katz MD, Brien EW, Menendez L. Thermal ablation of osteoid osteoma: overview and step-by-step guide. Radiographics. 2009 Nov; 29(7):2127-41.
Srivatsan ES, Chakrabarti R, Zainabadi K, Pack SD, Benyamini P, Mendonca MS, Yang PK, Kang K, Motamedi D, Sawicki MP, Zhuang Z, Jesudasan RA, Bengtsson U, Sun C, Roe BA, Stanbridge EJ, Wilczynski SP, Redpath JL. Localization of deletion to a 300 Kb interval of chromosome 11q13 in cervical cancer. Oncogene. 2002 Aug 15; 21(36):5631-42.