title: Septic prepatellar bursitis due to erysipelas.
mesh_terms: D000368:Aged; D002062:Bursitis / Q000209:etiology*; D004886:Erysipelas / Q000150:complications*; D006801:Humans; D007719:Knee Joint / Q000473:pathology*; D008297:Male; D013290:Streptococcal Infections / Q000209:etiology*