Pyogenic sacroiliitis.
D000328:Adult; D001170:Arthritis, Infectious / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D011552:Pseudomonas Infections / Q000175:diagnosis*; D012446:Sacroiliac Joint; D013203:Staphylococcal Infections / Q000175:diagnosis*