title: Infected Charnley hip prosthesis presenting as a perianal sinus.
mesh_terms: D000038:Abscess / Q000150:complications* / Q000209:etiology; D000368:Aged; D001004:Anus Diseases / Q000209:etiology*; D006622:Hip Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D012003:Rectal Fistula / Q000209:etiology*