Pediatric ulnar artery pseudoaneurysm of the wrist after glass laceration: A case report and systematic review of the literature

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BACKGROUND: Our purpose was to explore a case of a complicated ulnar artery pseudoaneurysm and propose an algorithm to guide physicians in this scenario. We present a case of a 5-year-old boy with a pediatric ulnar artery pseudoaneurysm that developed after a wrist laceration from broken glass 6 weeks after the initial injury. The diagnosis of pseudoaneurysm was missed, and the patient was transferred to our facility in urgent need of resection and repair due to profuse bleeding. An ultrasound confirmed the suspected diagnosis of ulnar artery aneurysm with thrombosis within the vessel. An area of skin necrosis was also present. Upon exploration of the wound, the ulnar artery pseudoaneurysm was identified and resected. The defect measured six millimeters and it was repaired primarily, under the microscope, after the proximal and distal portions were freed by dissection. The patient's incision was well healed at six-week follow-up. METHOD: A systematic literature review of the English literature on ulnar artery aneurysm was conducted on PubMed/Medline, Embase, Cochrane Clinical Answers, and Cochrane Clinical Trials, without timeframe limitations. Finally, we provide an algorithm to assist the decision-making process in similar scenarios. CONCLUSION: Although ulnar artery aneurysm is rare on a pediatric patient, it should be considered in the differential diagnosis each time a patient presents with a wrist mass. In such cases, a high index of suspicion warrants examination by a hand specialist.

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