Posttraumatic intradiploic meningoencephalocele

Abstract

A case of posttraumatic intradiploic meningoencephalocele is reported. The patient presented with a progressively enlarging lump in the left parietal area approximately 8 months after a blunt trauma. Magnetic resonance imaging showed an intradiploic cyst containing cerebrospinal fluid and brain tissue. These findings were confirmed at surgery. In addition, the cyst was found to have a lining of arachnoid membrane.