[Clinical analysis of dumbbell l-shaped tumors of the vertebral canal: report of 28 cases].
D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009442:Neurilemmoma / Q000000981:diagnostic imaging / Q000601:surgery*; D009455:Neurofibroma / Q000000981:diagnostic imaging / Q000601:surgery*; D011859:Radiography; D013115:Spinal Canal; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery*