A pelvic digit is a rare congenital anomaly and often an incidental radiographic finding. Here we present the first reported case of a 57-year-old Caucasian female with a pelvic digit and a chief complaint of dyspareunia. Radiographic studies and magnetic resonance imaging confirmed a stable bony excrescence from the inferior left ischium impinging on the pelvic floor. The patient underwent surgical removal of the pelvic digit without complications. Accurate diagnosis of pelvic lesions is necessary to guide treatment.

Retroperitoneal fibrosis is a rare disorder in which the abnormal fibrotic tissue compresses retroperitoneal organs. In the majority of patients no obvious cause can be found, hence the name idiopathic retroperitoneal fibrosis. The process can also arise from other anatomic areas, suggesting a multifocal origin. We report a case of dorsal epidural compression in a 63-year-old patient harboring idiopathic retroperitoneal fibrosis. A magnetic resonance imaging scan revealed the precise location of the lesion. It is suggested that retroperitoneal fibrosis should be considered in the differential diagnosis of epidural spinal cord compression.

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