title: Spindle cell lipoma in a perianal location.
abstract: The authors report a case of spindle cell lipoma that occurred in the perianal region with involvement of the external anal sphincter. This is a very rare location for this benign lipoma. This case extends the range of sites in which this neoplasm is found to arise.
mesh_terms: D000368:Aged; D001003:Anal Canal; D006801:Humans; D008067:Lipoma / Q000473:pathology* / Q000601:surgery; D008297:Male; D012002:Rectal Diseases / Q000473:pathology / Q000601:surgery; D012004:Rectal Neoplasms / Q000473:pathology / Q000601:surgery