Aim: This study aimed to report a case of a fully-covered metal stent for the treatment of post-Percutaneous Transhepatic Biliary Drainage (PTBD) obstruction caused by a blood clot in the common bile duct (CBD).
Case presentation: The case involved a 75-year-old man who had a history of recurring upper abdominal pain and jaundice. The result of an abdominal computerized tomography showed a stricture in the CBD. After PTBD, bleeding in the tube of PTBD was noted. The bleeding sites were detected using superselective hepatic arteriography. After the bleeding was stopped, Endoscopic Retrograde Cholangiopancreatography (ERCP) was performed to insert a fully-covered metal stent to extract the blood clot. Five months later, He was performed whipple procedure successfully and the pathology shows adenocarcinoma (cholangicarcinoma). This was the first case reported in China.
Conclusions: The complications related to post-PTBD obstruction, which was caused by a blood clot in the CBD, might lead to serious health issues or even death. The blood clot could be diagnosed according to laboratory and clinical data, particularly imaging. Digital subtraction angiography (DSA) and ERCP were necessary and effective for the patient in the present case. Successfully placement of a fully-covered stent could relieve jaundice. The residual thrombus was easily extracted through the stent. This was important for the preparation of the coming procedure.
Keywords: Percutaneous transhepatic biliary drainage (PTBD); blood clot; digital subtraction angiography (DSA); fully-covered metal stent (FCMS).
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