The pelvis is a relatively common anatomic location for metastatic and primary musculoskeletal tumors. Surgical resection is more challenging in the pelvis than in other locations because of the complex anatomy and the proximity to vital abdominal viscera and major blood vessels and nerves. Making decisions about surgical resectability of a tumor involves the assessment of possible neurovascular involvement, in addition to the possible involvement of adjacent viscera. As a result, preoperative evaluation and extensive imaging are critical.
Usually, the lesions in the pelvis attain considerable size before they are diagnosed. Most patients with lesions of the iliac crest that extend into the pelvis, or lesions that arise in the pelvic fossa, complain initially of vague abdominal pain or fullness. Patients may present with symptoms that are related to pressure on a specific anatomic…
