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Mark Xu, MD

Photo of Mark Xu, MD
Title(s)Assistant Professor, Orthopaedic Surgery
SchoolSchool of Medicine
Address1001 Potrero Avenue, #227
San Francisco CA 94110
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    University of Manitoba, Winnipeg, MB, CanadaMD05/2016Doctor of Medicine
    University of Manitoba - Royal College of Physicians and Surgeons of Canada, Winnipeg, MB, CanadaFRCSC07/2021Orthopedic Surgery Residency
    University of British Columbia - Vancouver General Hospital, Vancouver, BC, Canada07/2022Orthopedic Trauma Fellowship
    University of Toronto - Toronto Western Hospital, Toronto, ON, Canada08/2023Spine Surgery Fellowship

    Collapse Overview 
    Collapse overview
    Dr Mark Xu is an orthopedic surgeon with dual fellowship training in orthopedic trauma and spine surgery. His clinical interests include managing traumatic injuries of the extremities and pelvis, as well as treating degenerative and traumatic spinal pathology. He takes a comprehensive approach to assessing and understanding each patient and emphasizes shared decision making for treatment, both nonsurgical and surgical.

    He completed his medical school and orthopedic surgery residency in his hometown in Winnipeg, Manitoba, Canada. He then pursued an orthopedic trauma fellowship at the University of British Columbia - Vancouver General Hospital, followed by a combined orthopaedic and neurosurgical spine surgery fellowship at the University of Toronto - Toronto Western Hospital.

    Dr Xu’s research focuses on clinical outcomes and biomechanical studies comparing surgical fixation techniques. He has received numerous grants for his studies including an AO Trauma North America Fellow Research Grant.

    He is certified by the Royal College of Physicians and Surgeons of Canada and board eligible by the American Board of Orthopedic Surgery. Additionally, he has successfully completed the AO Spine Global Spine Diploma Examination.

    Dr Xu sees patients at the Regional Medical Center in San Jose and Zuckerberg San Francisco General Hospital.

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    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. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Percutaneous spinopelvic fixation technique using external fixation for focal kyphosis reduction in U-type sacral fractures: a case report. J Spine Surg. 2025 Mar 24; 11(1):178-190. Khela M, Agha O, Bonsignore-Opp L, Xu M, Gendelberg D, El Naga AN. PMID: 40242828; PMCID: PMC11998045.
      View in: PubMed   Mentions:
    2. Distal Lumbar Lordosis is Associated With Reoperation for Adjacent Segment Disease After Lumbar Fusion for Degenerative Conditions. Global Spine J. 2025 Jan; 15(1):143-151. Manoharan R, Cherry A, Raj A, Srikandarajah N, Xu M, Iorio C, Nielsen CJ, Rampersaud YR, Lewis SJ. PMID: 38874188; PMCID: PMC11571559.
      View in: PubMed   Mentions: 2  
    3. Cervical Sagittal Alignment in Patients with Cervical Spondylotic Myelopathy: An Observational Study From the Canadian Spine Outcomes and Research Network. Spine (Phila Pa 1976). 2022 Mar 01; 47(5):E177-E186. Evaniew N, Charest-Morin R, Jacobs WB, Johnson M, Bailey CS, Christie S, Paquet J, Nataraj A, Cadotte DW, Wilson JR, Craig M, Xu M, Manson N, Hall H, Thomas KC, Rampersaud YR, McIntosh G, Fisher CG, Dea N, Canadian Spine Outcomes and Research Network (CSORN). PMID: 34845179.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    4. Anconeus muscle flap transfer for failed surgical treatment of recalcitrant chronic lateral epicondylitis. Orthoplastic Surgery. 2021; 7:1-6. Shi, S.-M., Kode, V., Xu, M. C., Shi, G. G., & Grindel, S.
    5. Uncommon Bilateral Absence of Long Heads of the Biceps Tendons in Twin Sisters: A Report of 2 Cases. JBJS Case Connect. 2021 Jul 23; 11(3). Kwapisz A, Xu M, Koenig J, MacDonald P, McRae S, Marsh J. PMID: 34297703.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. Supracondylar Fractures: A Retrospective Chart Review Comparing Infection Rate, Antibiotic Use, Surgical Time and Cost of Full Surgical Preparation and Draping vs "Semi-Sterile" Technique. Orthop Res Rev. 2020; 12:183-188. Laxdal I, Stockwell K, Xu M, Tan J, McRae S, Jellicoe P. PMID: 33364859; PMCID: PMC7751303.
      View in: PubMed   Mentions: 1  
    7. Fibrosis, low vascularity, and fewer slow fibers after rotator-cuff injury. Muscle Nerve. 2017 05; 55(5):715-726. Gigliotti D, Xu MC, Davidson MJ, Macdonald PB, Leiter JRS, Anderson JE. PMID: 27571286.
      View in: PubMed   Mentions: 21     Fields:    Translation:HumansCells
    8. Three-Dimensional Telomeric Analysis of Isolated Circulating Tumor Cells (CTCs) Defines CTC Subpopulations. Transl Oncol. 2013 Feb; 6(1):51-65. Adebayo Awe J, Xu MC, Wechsler J, Benali-Furet N, Cayre YE, Saranchuk J, Drachenberg D, Mai S. PMID: 23418617; PMCID: PMC3573654.
      View in: PubMed   Mentions: 17  
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