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Long-term results after laparoscopic unroofing of solitary symptomatic congenital liver cysts.

Surgical Endoscopy 2000 January
BACKGROUND: Reports about laparoscopic management of symptomatic nonparasitic liver cysts are increasing, proving the procedure feasible and safe. However, late results of endoscopic unroofing currently are not available. The primary aim of the study was to offer long-term results with a follow-up of more than 5 years. Two diagnostic pitfalls are presented.

METHODS: Preoperatively, diagnosis was established by sonography, computed tomography (CT) scan, echinococcus serology, and tumor-marker measurement. The outcome of 12 laparoscopic fenestrations in 11 patients with symptomatic solitary liver cysts is presented. Nine patients were reexamined after a median observation time of 3.1 years (range, 0.6-6.4 years) by clinical investigation and ultrasonography, CT scan, or magnetic resonance imaging (MRI), respectively.

RESULTS: All operations could be finished laparoscopically, and no death occurred. Simultaneous cholecystectomy was performed in six cases. All patients experienced immediate relief of symptoms. Postoperatively, no complications were observed except one patient with unilateral brachial vein thrombosis. Histologically, we discovered one hydatide cyst and one cystadenoma underlying the cystic disorder leading to further therapy. At follow-up, one of the remaining seven patients (14.3%) suffered symptomatic recurrence and successfully underwent reoperation endoscopically.

CONCLUSIONS: The results of this study confirm the outcome reported previously after short- and intermediate-term follow-up showing that laparoscopic management of symptomatic solitary nonparasitic liver cysts is permanently successful in a large majority of cases when diagnosis is correct.

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