Patrick C. Hsieh, MD's portrait
Patrick C. Hsieh, MD
Professor, Neurological Surgery
University of Southern California
Los Angeles, CA

About Patrick C. Hsieh, MD

Dr. Patrick Hsieh is a board certified, and fellowship trained neurosurgeon specializing in complex spine surgery and surgical oncology. Dr. Hsieh is Professor of Neurological Surgery and Director of the Neurosurgery Spine Program at the University of Southern California (USC) Keck Medical Center. He is the Edwin M. Todd/Trent H. Wells, Jr. Professor of Neurological Surgery. He practices at Keck Medicine of USC in Pasadena, Keck Hospital of USC, USC Spine Center, USC Healthcare Center, and USC Verdugo Hills Hospital.

His clinical interests include: complex reconstructive spine surgery, spinal oncology, spinal deformity and scoliosis surgery, and minimally invasive spine surgery. Most of his clinical practice is focused on serving patients with spine tumors and spinal deformity.

He has developed multidisciplinary teams at USC Keck Medical Center and USC Spine Center to advance medical and surgical treatments for spinal oncology and adult spinal deformity. The spinal oncology team is now a leading treatment center for treatment of chordomas, spinal cord tumors, intradural craniocervical and spinal schwannomas and meningiomas, as well as other primary spine tumors and complex spine tumors that draw patients throughout Southwestern United States and internationally.

Dr. Hsieh was a Howard Hughes Medical Institute-National Institute of Health (HHMI-NIH) research scholar and was awarded a medical degree at USC. He completed residencies in the Department of Neurological Surgery at Northwestern Memorial Hospital and McGaw Medical Center through Northwestern University Feinberg School of Medicine in Chicago. Dr. Hsieh continued his training and experience through several fellowship programs:

  • Spinal Oncology and Complex Spine Surgery under Ziya Gokaslan, MD in the Department of Neurological Surgery at Johns Hopkins University School of Medicine in Baltimore
  • Complex Reconstructive Spinal Surgery under Stephen Ondra, MD in the Department of Neurological Surgery, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine
  • Advanced Minimally Invasive Spinal Surgery under John C. Liu, MD in the Department of Neurological Surgery, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine

Dr. Hsieh is an active member of many prestigious medical associations, including the American Association of Neurological Surgeons (AANS), AO Spine, Congress of Neurological Surgeons (CNS), North American Spine Society (NASS), and Scoliosis Research Society (SRS).

Articles Written by Patrick C. Hsieh, MD

Chordoma Is the Most Common Malignant Primary Bone Cancer in the Adult Spine

Chordomas are the most common bone tumor found in the spine's sacrum. Chordomas also can affect develop in the bones of the neck, mid back and low back.

Spinal Chondrosarcoma is a Primary Bone Cancer

More than 40% of adult primary bone cancer cases are chondrosarcomas—and 5 to 10% of those occur in the spine.

Understanding Spinal Osteosarcomas

Osteosarcoma, or osteogenic sarcoma, is the most common type of bone cancer. Most osteosarcoma tumors develop in the bones around the knee and upper arm, but this disease can develop in the bones of the spine.

Ewing or Ewing’s Sarcoma is a Type of Spinal Cancer

Ewing sarcoma is a primary bone cancer, your doctor will likely perform a bone scan, and a bone marrow aspiration and biopsy to determine the extent of the cancer, and if it has spread.

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