This 59 y/o male was seven days post op cystectomy and ileal conduit formation. A KUB was performed because of decreasing urinary output and persistent left flank pain. Retraction of the left ureteral stent is apparent. The more important finding, while not likely accounting for the symptoms, is the retained lap sponge in the right mid abdomen. The patient's wound was reopened and the lap sponge removed without incident. At this time the retracted ureteral stent was also repositioned. Radiologists must always remind themselves to look at the whole film and observe ALL the findings. A familiarity with the x-ray appearance of sponges and other instruments and accessories used in the operating room is a helpful adjunct to interpeting post op films. While retained surgical implements can be diagnosed in a variety of ways(6-12), I recommend you spend some time x-raying or fluoroscoping them. It can be an interesting and rewarding way to spend a rainy day!

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