A rare case of a cholecysto-duodenocolonic fistula secondary to cholelithiasis.

Internal biliary fistula is a rare but well-known complication of cholelithiasis. It is a notoriously challenging entity to diagnose and manage. Gallstones are often the causative factor in the formation of a cholecystoenteric fistula, with the most common internal biliary fistula being a cholecystoduodenal fistula followed by a cholecystocolonic fistula.

Surgical resection of isolated portohepatic melanoma metastases-a case report.

Metastatic melanoma is a significant public health issue in Australia and New Zealand. Although melanoma commonly metastasises to the liver, isolated hepatic metastases are rare, with isolated metastasis to portohepatic lymph nodes being scarce. As such, the optimal management strategy for this subset of patients remains unclear.