April Featured Author

C. Benjamin Ma, MD
Professor and Chief of Sports Medicine and Shoulder Service, University of California San Francisco
San Francisco, California

From the April issue: Effects of Surgical Factors on Cartilage Can Be Detected Using Quantitative Magnetic Resonance Imaging After Anterior Cruciate Ligament Reconstruction

Podcast: Listen to Dr. Ma discuss his article in the April issue.

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Dr. C. Benjamin Ma is the Professor and Chief of the UCSF Sports Medicine and Shoulder Service. Dr. Ma completed his undergraduate education in bioelectrical engineering at Brown University and went on to earn his medical degree from Johns Hopkins University. He completed his residency in orthopedic surgery at the University of Pittsburgh. Following his residency, Ma completed a fellowship in shoulder and knee surgery and sports medicine at the Hospital for Special Surgery in New York. He has received many clinical awards which include the UCSF Exceptional Physician Award, Henry Kaiser Award for Excellent in Teaching, and UCSF Excellent in Teaching Award. In addition to his clinical specialties, he is involved in research on cartilage imaging and dynamic magnetic resonance imaging (MRI) scans of ACL injured knees. He also has extensive publications on the improvement of outcomes following rotator cuff surgeries and replacements. His research has received the prestigious Charles Neer Award from American Shoulder and Elbow Society, O’Donoghue Award from the American Orthopedic Society for Sports Medicine, Excellence in Patellofemoral Research from the International Society for Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine, and New Investigator Research Award from the Orthopaedic Research Society.

Selected Other Published Work in AJSM

Ma CB, Kawamura S, Deng XH, Ying L, Schneidkraut J, Hays P, Rodeo SA. Bone morphogenetic proteins-signaling plays a role in tendon-to-bone healing: a study of rhBMP-2 and noggin. Am J Sports Med. 2007 Apr; 35(4): 597-604.

Luke AC, Stehling C, Stahl R, Li X, Kay T, Takamoto S, Ma CB, Majumdar S, Link T. High-field magnetic resonance imaging assessment of articular cartilage before and after marathon running: Does long-distance running lead to cartilage damage? Am J Sports Med. 2010 Nov: 38(11): 2273-8

Borchers JR, Kaeding CC, Pedroza AD, Huston LJ, Spindler KP, Wright RW. Intra-articular findings in primary and revision anterior cruciate ligament reconstruction surgery: a comparison of the MOON and MARS study groups. Am J Sports Med. 2011 Sep; 39(9): 1889-93.

Wolf BR, Britton CL, Vasconcellos DA, Spencer EE; for the MOON Shoulder Group. Agreement in the Classification and Treatment of the Superior Labrum. Am J Sports Med. 2011. Dec; 39(12): 2588-2594.

Harris JD, Pedroza A, Jones GL, MOON Shoulder group. Predictors of pain and function in patients with symptomatic, atraumatic full-thickness rotator cuff tears: a time-zero analysis of a prospective patient cohort enrolled in a structured physical therapy program. Am J Sports Med. 2012 Feb; 40(2): 359-66.

Jungmann PM, Li X, Nardo L, Subburaj K, Lin W, Ma CB, Majumdar S, Link TM. Do Cartilage Repair Procedures Prevent Degenerative Meniscus Changes?: Longitudinal T1ρ and Morphological Evaluation With 3.0-T MRI. Am J Sports Med. 2012 Dec; 40(12): 2700-8.

Brophy RH, Wright RW, David TS, McCormack RG, Sekiya JK, Svoboda SJ, Huston LJ, Haas AK, Steger-May K; MARS group. Association between previous meniscal surgery and the incidence of chondral lesions at revision anterior cruciate ligament reconstruction. Am J Sports Med. 2012 Apr; 40(4): 808-14.

Chen JL, Allen CR, Stephens TE, Haas AK, Huston LJ, Wright RW, Feeley BT, MARS group. Differences in mechanisms of failure, intraoperative findings, and surgical characteristics between single- and multiple-revision ACL reconstructions: a MARS cohort study. Am J Sports Med. 2013 Jul; 41(7): 1571-8.

Matava MJ, Arciero RA, Baumgarten KM, Carey JL, DeBerardino TM, Hame SL, Hannafin JA, Miller BS, Nissen CW, Taft TN, Wolf BR, Wright RW. Multirater agreement of the causes of anterior cruciate ligament reconstruction failure: a radiographic and video analysis of the MARS cohort. Am J Sports Med. 2015 Feb; 43(2): 310-9.