Acute pyogenic psoas abscess.
D000038:Abscess / Q000175:diagnosis* / Q000601:surgery; D000293:Adolescent; D000328:Adult; D002081:Buttocks; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009132:Muscles; D013492:Suppuration