title: Arachnoid cyst.
abstract: Arachnoid cyst is a rare cause of cord compression; less than a hundred cases have been found in a critical review of the literature. A case observed personally is reported to illustrate and discuss some special aspects of this syndrome. Some of the characteristics that differentiate it from other cystic formations of the meningeal sheaths are emphasized.
mesh_terms: D000328:Adult; D001099:Arachnoid; D003560:Cysts / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male; D013117:Spinal Cord Compression / Q000209:etiology*