Theresa J.C. Pazionis, MD, MA, FRCSC, ABOS

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Assistant Professor, Orthopaedic Surgery & Sports Medicine, Lewis Katz School of Medicine at Temple University


  • Orthopedic Oncology

Areas of Expertise


Treatment Focus

Orthopedic oncology; Primary malignant bone tumors: osteogenic sarcoma, chondrosarcoma, Ewing's Sarcoma, MFH etc.; Metastatic disease to bone; Primary malignant soft tissue tumors: sarcoma; Benign and benign aggressive bone tumors: giant cell tumor, etc.; Benign and benign aggressive soft tissue tumors; Metabolic bone disease

Treatment Philosophy

I take an evidence based, patient centered approach to your evaluation and treatment. Each consultation will begin with listening to your questions and concerns, and a thorough medical history, physical examination, and review of any available imaging. Together we will decide on the best treatment course within the framework of evidence based gold standard medical care. I treat every patient with the same care and compassion that I would expect for myself and my family.

Clinical Locations

  • Temple Orthopaedic Surgery & Sports Medicine
    3509 N. Broad Street
    Boyer Pavilion, 5th Floor
    Philadelphia, PA 19140
    Phone: 800-836-7536
  • Temple Orthopaedics & Sports Medicine at Jeanes Campus
    7604 Central Avenue
    Friends Hall, Suite 100
    Philadelphia, PA 19111
    Phone: 800-836-7536
  • Fox Chase Cancer Center at Temple University Hospital
    3401 N. Broad Street
    Philadelphia, PA 19140
    Phone: 800-836-7536
  • Fox Chase Cancer Center
    333 Cottman Avenue
    Philadelphia, PA 19111
    Phone: 888-369-2427

Educational Background

  • MD, University of Toronto, Toronto, Ontario, Canada
  • Fellowship, Spine Surgery, Hospital for Special Surgery, New York, NY
  • Fellowship, Orthopaedic Oncology, Memorial Sloan Kettering Cancer Center, New York, NY
  • Residency, Orthopaedic Surgery, McMaster University, Hamilton, Ontario, Canada


  • American Board of Orthopaedic Surgery
  • The Royal College of Physicians and Surgeons of Canada


  • Fellow of the Royal College of Surgeons of Canada
  • American Association of Orthopedic Surgeons
  • International Society of Limb Salvage (ISOLS)
  • Musculoskeletal Tumor Society (MSTS)
  • North American Spine Society (NASS)

Research Interests

Evaluation, treatment and outcomes in metastatic bone disease; Function and oncologic outcomes in the treatment of metastatic spine disease; Chondrosarcoma; Spinal biomechanics

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn more about our Patient Experience Ratings.

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