title: Chronic primary abscess of the psoas muscle due to Staphylococcus aureus.
mesh_terms: D000038:Abscess / Q000175:diagnosis / Q000209:etiology*; D000328:Adult; D006801:Humans; D008297:Male; D009220:Myositis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology*; D013203:Staphylococcal Infections / Q000175:diagnosis / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed