Presentation and management of bilateral fracture shaft humerus in a multiple myeloma patient: An extremely rare case report and review of literature

Multiple myeloma (MM) is a malignancy of plasma cells and the second most common hematologic malignancy (13%); these cellsaccumulate in bone marrow and overproduce a monoclonal protein. The bone disease develops in 80–90% of patients with MMincludes bone pain, pathologic fractures (40%), spinal cord compression (5%), and hypercalcemia. Pathological fractures can occurin extremities, but bilateral involvement is extremely rare. We report a case of 65-year-old male presented with a chief complaint ofspontaneous bilateral humerus shaft fractures. On subsequent workup, MM was confirmed. The patient was managed with internalfixation bilaterally and showed favorable union at 1-year follow-up