Patients with multiple risk factors have higher risk for anastomotic leakage. When patients have three or more risk factors, the creation of a protective stoma should be considered in cases with a low rectal anastomosis, and all these patients should be carefully monitored postoperatively for signs of possible leak.

Eight patients with 15 symptomatic nonneoplastic congenital hepatic cysts underwent ultrasound-guided percutaneous aspiration and temporary injection of 99% ethanol into the cyst. All cysts were treated at least twice at the same sitting. The volume of alcohol injected varied from 20 to 100 ml, depending on the size of the cyst. A cure was usually achieved with one alcohol sclerotherapy treatment. Only minor side effects such as transient pain and temperature elevation occurred. No recurrences were found during a follow-up period of 12 to 32 months. The results indicate that aspiration and alcohol sclerotherapy is a feasible alternative to surgical intervention in patients with symptomatic nonneoplastic congenital hepatic cysts. We recommend it as the treatment of choice in cases with high surgical risk or polycystic liver disease.

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NOTE.-Phosphomannomutase and protein were measured as described elsewhere (Van Schaftingen and Jaeken 1995; Jaeken et al. 1997a). Phosphomannose isomerase was assayed at 30ЊC in a reaction mixture (1 ml) containing 50 mM Hepes, pH 7.1, 5 mM MgCl 2 , 25 mM KCl, 1 mM dithiothreitol, 0.6 mM NAD ϩ , 0.5 mM mannose 6phosphate, 2.5 U/ml glucose 6-phosphate dehydrogenase from Leuconostoc mesenteroides, and 10 mg/ml phosphoglucose isomerase with 10 ml of an extract containing 5-20 mg protein/ml. Control and PMM deficient measures are mean values ‫ע‬ SD. Where two data are given, the values were obtained on two different subcultures.