title: Myelographic features of the normal sacral sac.
abstract: One hundred and sixty normal sacral sacs at myelography have been studied and the results analysed statistically. The features which may have clinical relevance are discussed.
mesh_terms: D000293:Adolescent; D000328:Adult; D000375:Aging; D000886:Anthropometry; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009192:Myelography; D012447:Sacrum / Q000000981:diagnostic imaging*; D012737:Sex Factors