title: Purulent pericarditis and mediastinitis due to Peptococcus magnus.
mesh_terms: D000328:Adult; D001424:Bacterial Infections / Q000382:microbiology*; D006801:Humans; D008297:Male; D008480:Mediastinitis / Q000382:microbiology*; D010460:Peptococcus / Q000302:isolation & purification*; D010482:Periapical Abscess / Q000150:complications; D010490:Pericardial Effusion / Q000382:microbiology; D010493:Pericarditis / Q000382:microbiology*; D013492:Suppuration / Q000382:microbiology