[Intraspinal dermoid tumor associated with diastematomyelia: case report].

Intraspinal dermoid tumor and diastematomyelia is a rare combination of pathologies and only eight cases were priorly published. We report a new case in an adult with clinical presentation of progressive paresis and sensitive deficit in the lower limbs, associated with a thoraco-lombar kyphoscoliosis. The diagnosis based on the CT scan and MR images was confirmed at surgery. Pathophysiologic and clinical aspects as well as the radiological characteristics of these pathologies are dicussed and the importance of the early diagnosis is emphasized.