Pathological subtrochanteric neck of femur fracture
Ambulating and patient heard "crack". Pain in right hip. Past history multiple myeloma.
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Right subtrochanteric pathological fracture. The fracture is posteriorly displaced and mildly impacted. The proximal fracture fragment is laterally angulated. Surrounding the fracture is a lytic lesion, which had been previously demonstrated as a myelomatous deposit.
Pathological fracture refers to a fracture through an area of underlying abnormal bone. Although in the vast majority of cases this is a underlying malignant lesion, such as a metastasis or myelomatous deposit, this need not always be the case.