A 75-year-old woman was admitted to our hospital with the chief complaint of persistent upper abdominal pain. Based on clinical examination, she was diagnosed as having acute cholecystitis, and a percutaneous transhepatic gallbladder drainage (PTGBD) catheter was inserted on the same day. Secondary to symptomatic improvement and a reduction in the inflammatory response, we performed interval laparoscopic cholecystectomy. Intraoperatively, the PTGBD catheter was removed; however, during this

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... ess, liver injury and bleeding occurred at the site of removal of the catheter. Difficulty in achieving intraperitoneal hemostasis necessitated conversion of the procedure into a laparotomy. She showed an unremarkable postoperative course and was discharged on the 10 th postoperative day. Careful removal of a PTGBD catheter is warranted, while ensuring that catheter removal is not associated with injury.