FALSE-POSITIVE WBC IMAGING SECONDARY TO A DISTENDED BLADDER AND FECALRETENTION

In an attempt to identify a focus of infection, WBC scintigraphy was p erformed, and it showed increased accumulation in the midanterior pelv is suspicious for a site of infection. Computed tomography of the pelv is obtained after WBC scintigraphy showed gross retention of stool and a distended bladder, hut no suggestion of infection. Repeat WBC scint igraphy performed with a Foley catheter in peace after bowel cleansing did not show any abnormal tracer accumulation. This case shows how th e combination of a distended bladder and fecal retention can produce i mages suggestive of a site of infection.