title: Chronic lumbar extradural hematoma: CT findings.
abstract: The CT findings in two surgically proved cases of spontaneous chronic extradural hematoma are presented. Tapered convex margins, a length greater than 2 cm, and associated normal intervertebral disks are findings that help distinguish chronic extradural hematoma from an extruded disk.
mesh_terms: D000368:Aged; D002908:Chronic Disease; D005260:Female; D006407:Hematoma, Epidural, Cranial / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008875:Middle Aged; D013115:Spinal Canal / Q000000981:diagnostic imaging; D013122:Spinal Diseases / Q000000981:diagnostic imaging* / Q000601:surgery; D014057:Tomography, X-Ray Computed