In Reply.—We apologize to Leonard et al for not having labeled the orientation of the radiographs published in our article. As is customary, the right side of the patient is shown on the left side of the photographs as one looks at them. Likewise, it is always difficult to present negative findings by reproducing single exposures. Nevertheless, experienced observers both at the time the patients were studied and in retrospect did not find abnormalities. Thus, we do not agree that in case 1 there was asymmetry in the sacroiliac joint.
With regard to the use of the gallium scan, our first case was seen before the publication of the article by Kolyvas et al.1 Case 2, as is clearly stated in our article, had both normal gallium and technetium scans. Case 3 had an abnormal roentgenogram and a positive culture of blood that, in the light of clinical