title: Pericarditis due to Bacteroides melaninogenicus secondary to a teratoma.
mesh_terms: D000293:Adolescent; D001442:Bacteroides Infections / Q000150:complications*; D005260:Female; D006801:Humans; D008479:Mediastinal Neoplasms / Q000150:complications*; D010493:Pericarditis / Q000209:etiology*; D001443:Prevotella melaninogenica; D013724:Teratoma / Q000150:complications*