Multiple myeloma is a malignancy of blood cells that commonly metastasizes to bone. Metastasis to the acetabulum can cause significant patient distress due to pathological fractures that can be extremely painful and affects patients' ability to ambulate. The lytic lesions are unique and often require surgical management in order to restore normal anatomy to allow for weight bearing. A multidisciplinary approach is necessary to establish patient goals and optimize treatment plans. This report describes the presentation and treatment of an elderly patient with multiple myeloma and an unstable acetabular fracture with a large lytic lesion of the pelvis.
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