Abstract
Laparoscopic excision and marsupialization of symptomatic of recurrent simple renal cysts is an alternative to open or percutaneous surgery. Such surgery may also be useful for pain relief in patients with autosomal dominant polycystic kidney disease (ADPKD). An occlusion balloon catheter is placed in the renal pelvis at the start of the procedure. Cysts are punctured, and the outer wall of the larger cysts is excised with care not to incise the renal parenchyma. In patients with ADPKD, it is important to mobilize the kidney completely, particularly the upper pole, to treat every visible cyst. A laparoscopic ultrasound probe is used to guide the unroofing of any large cysts within 5 to 10 mm of the renal surface. At the end of the procedure, the integrity of the collecting system is confirmed. Strict criteria must be used in selecting patients with simple cysts for laparoscopic marsupialization to minimize the incidence of unsuspected malignancy, and the cyst wall should be examined by frozen and permanent section. Long-term follow-up is needed to evaluate the effect of laparoscopic decompression in ADPKD.
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