title: Granular cell myoblastoma of the perianal area: report of a case.
mesh_terms: D001741:Black or African American; D001005:Anus Neoplasms / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009379:Neoplasms, Muscle Tissue / Q000473:pathology* / Q000601:surgery