Massively dilated common bile duct: an unusual aetiology for nutcracker phenomenon

Description 

A 45-year-old man presented with recurrent haematuria. He also had history of upper abdominal pain for 1 month. On examination he had left varicocele. On ultrasonogram (USG), he had a grossly dilated common bile duct (CBD). No abnormality of the urinary tract was seen on USG. His coagulation profile, kidney and liver function tests were normal. Contrast-enhanced CT (CECT) scan of the abdomen was done that was suggestive of a massively dilated CBD with maximum diameter of 4.2 cm (figure 1), which was compressing the left renal vein (LRV) against the abdominal aorta (figure 2). There was no dilation of intrahepatic biliary radicals so a provisional diagnosis of type 1 choledochal cyst was made, and he was referred to the department of gastrointestinal surgery where he underwent cholecystectomy with resection of dilated CBD with Roux-en-Y hepatico-jejunostomy. Intraoperatively, there were adhesions around the cyst wall that were easily...

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