• Eun-Ji Choi, Hyun-Su Ri, Hyeonsoo Park, Hye-Jin Kim, Ji-Uk Yoon, and Gyeong-Jo Byeon.
• Department of Anesthesia and Pain Medicine, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea.
• Anesth Pain Med (Seoul). 2021 Jan 19.

BackgroundDespite significant technological advances in the implantable pulse generator (IPG), complications can still occur. We report a case that unexpected extrusion of the IPG of spinal cord stimulation (SCS) was promptly identified and successfully removed without any complications.CaseAfter a car accident 4 years ago, a 55-year-old man who was diagnosed with complex local pain syndrome in his right leg. The SCS was inserted with 2 leads, with the IPG being implanted in the right lower abdomen region. Four years later, he developed extrusion of the IPG from his abdominal region. This unexpected extrusion may have been related to pressure necrosis caused by continued compression of pocket site where a belt was frequently tied. The IPG and the leads were successfully removed without infection occurring.ConclusionsTo prevent unexpected extrusion of IPG, it is necessary to consider in advance whether the pocket site is pressed against the belt.

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