CASE 17: Hemipelvic Chondrosarcoma

• 27-year-old male patient
• The patient presented with complaints of left hip and groin pain accompanied by numbness in the foot and difficulty walking.

• The patient was diagnosed with chondrosarcoma via closed needle biopsy, and no metastases were detected in subsequent screenings.
• The patient underwent hip transposition with proximal femur tumor prosthesis following internal hemipelvectomy.

Before the surgery: X-ray and 3CT scans show an obturator foromani originating from the left acetabulum and pubic arm, and irregularly bordered sclerotic tumor tissue filling the hemipelvis.

Before the surgery: The MRI shows tumor tissue accompanied by a large, heterogeneous soft tissue component in the same location.

Before the surgery: The CT scan shows an irregularly bordered mass containing calcification that has caused damage to the bone surface.

During the Surgery: Exposure and preservation of hair follicles after sacral laminectomy.

During the Surgery: Fluoroscopy and clinical image of the removed tumor tissue.

Post-Surgery: Healed incision lines are visible.

Post-Surgery: The X-ray shows hip transposition with proximal femur tumor prosthesis after internal hemipelvectomy.