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Laparoscopic cholecystectomy is the treatment of choice in symptomatic cholelithiasis. Despite its many advantages over the conventional laparotomic approach, accidental perforation of the gallbladder with spilled stones and bile leakage is frequent during this procedure. Complications from missed gallstones are uncommon, although they can sometimes lead to severe consequences. Great effort must be made to achieve laparoscopic retrieval of all the gallstones missed into the peritoneal cavity and conversion to an open procedure should be used only in selected cases. We report a case of subhepatic abscess as a late complication of a missed gallstone during a previous laparoscopic cholecystectomy.

Primary hepatic actinomycosis is a rare infection that can clinically be confused with hepatic pyogenous abscesses or neoproliferative processes. We present the case of a 71-year-old man who had previously undergone total gastrectomy for gastric adenocarcinoma. After 4 years of favorable clinical course he presented a space-occupying lesion in the right hepatic lobe. Diagnostic tests were nonspecific and the diagnosis was confirmed by histological study of a biopsy of the lesion obtained through laparotomy. Prolonged antibiotic treatment produced a complete response. The etiopathogenesis and diagnostic-therapeutic options of hepatic actinomycosis are reviewed.