• Hye Soo Cho, Yook Kim, Jisun Lee, Kyung Sik Yi, and Chi-Hoon Choi.
• Department of Radiology, Chungbuk National University Hospital, Cheongju, Korea.
• Medicine (Baltimore). 2021 Jan 8; 100 (1): e24215e24215.

RationaleTraumatic arteriovenous fistulas (AVFs) of the pelvis are uncommon and present with a variety of clinical manifestations; their detection may be difficult. An endovascular approach is usually the first choice of treatment, because surgical intervention is complicated due to the location of the lesions.Patient ConcernsA 68-year-old man was admitted with severe pelvic pain following a fall.DiagnosisA pelvic bone fracture (Young and Burgess Classification, lateral compression type II) was revealed on pelvic computed tomography (CT), while a pelvic sidewall hematoma, unaccompanied by any vascular injury, was detected on multidetector CT.InterventionsPelvic angiography revealed an AVF between the internal iliac artery and vein, which was undetected by MDCT. The AVF was successfully treated using transcatheter arterial embolization (TAE) with n-butyl cyanoacrylate (NBCA).OutcomesThe patient recovered well and was discharged 4 weeks later. No complications were noted at the 8-month follow-up.LessonsAVF may occur as a complication of blunt pelvic bone fracture. A high index of suspicion, angiography, and prompt diagnosis resulted in the successful management of our patient who presented with risk factors. Furthermore, TAE using NBCA enables a minimally invasive and effective treatment of traumatic pelvic AVF.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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