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  • Title: Delayed hypogastric artery pseudoaneurysm following blunt trauma without evidence of pelvic fracture.
    Author: Al-Khatib WK, Lee GK, Casey K, Lee JT.
    Journal: Ann Vasc Surg; 2012 Apr; 26(3):419.e11-4. PubMed ID: 22326296.
    Abstract:
    Arterial pelvic bleeding caused by bony fragments is a common finding in patients with pelvic fractures after blunt trauma (Durkin et al., Am J Surg 2006;192:211-23). However, arterial injury in the absence of bony fracture is extremely rare, and in the event that it does occur, is immediately discovered on cross-sectional imaging. We present an unusual case of a 15-year-old boy who was involved in a bicycle accident, and who, a week after his injury, developed a delayed hypogastric branch artery pseudoaneurysm causing sciatic nerve compression with a right foot drop. Initial magnetic resonance imaging scan and pelvic X-ray at the time of the injury showed no evidence of pelvic fracture or vascular damage. The pseudoaneurysm was successfully treated with selective coil embolization and hematoma evacuation. This study represents only the second reported case of delayed pelvic pseudoaneurysm in the absence of pelvic fracture.
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