Figure 4.33. Malposition of T tubes. (A) Plain film of the right upper quadrant shows a T tube in a low and horizontal orientation suggesting malposition. (B) Injection of contrast medium into the T tube in the same patient reveals the tube to be outside the biliary tree. Contrast medium fills a tract in the subhepatic space leading toward the biliary tree. (C, D) Another patient demonstrating similar findings. (E) Another patient shows contrast medium in the subhepatic space after T-tube injection. Contrast is also accumulating in the drain left in at the time of surgery.

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