Peritransplant fluid collections. Ultrasound evaluation and clinical significance.

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Abstract
Gray-scale ultrasonography was used to detect, localize, and guide percutaneous aspirations of peritransplant fluid collections. Fifty-one (51%) transplant recipients had abnormal fluid collections; 18 of these patients required surgery. Analysis of the 23 proved fluid collections (10 lymphocytes, 7 abscesses, 4 urinomas, and 2 hematomas) revealed certain sonographic and temporal patterns. Lymphoceles were the most common cause of an obstructed transplant and were usually septated. Most of the undiagnosed fluid collections were small and crescentic and were located in the abdominal wall. They usually did not enlarge or resolve on serial ultrasound examinations. A role for ultrasound in the management of peritransplant fluid collections is proposed.

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