Intraosseous hibernoma: case report and tumor characterization.

Intraosseous hibernoma is a rare finding that has only recently come to light in the literature. We report a case of intraosseous hibernoma in the sacrum identified as an incidental finding in a 40 year-old female with chronic lower back pain. The tumor was characterized with all routine imaging modalities. In the review of the literature we correlate the imaging findings with previously reported cases. With increasing number of radiologic investigations it is expected to discover more intraosseous hibernomas and the radiologists should consider intraosseous hibernoma as differential diagnosis of the sclerotic bone lesion.