title: A patient with Whipple's disease.
mesh_terms: D001168:Arthritis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013585:Synovitis / Q000209:etiology* / Q000473:pathology; D008061:Whipple Disease / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology