Hypothenar hammer syndrome (HHS) is a rather rare condition and is a term used to describe an aneurysm or thrombosis of the ulnar artery. It is considered an occupational or recreational injury and is usually a result of a repetitive trauma to the hypothenar region where the unique anatomy of the Guyon canal allows arterial injury. HHS is one of the less common causes of symptomatic ischemia of the upper extremity. The aim of this article is to describe our experience with six patients. Presenting signs, symptoms, differential diagnoses, and literature review of this probably underdiagnosed syndrome are described. There are two pathologic entities: the aneurysmal type and the thrombotic type. Although most authors recommend watchful observation for the thrombotic type, reconstructive surgery is the treatment of choice for the aneurysmal type.
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Surgical management of ulnar artery aneurysm in hypothenar hammer syndrome.
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- * Accurate diagnosis relies on understanding clinical signs and utilizing imaging techniques like ultrasound, CT angiography, and MRI, with an emphasis on dynamic imaging due to the positional nature of these syndromes.
- * Treatment often combines conservative methods and surgery focused on decompressing the affected areas, and this overview aims to help radiologists better recognize and manage these conditions for effective patient care.
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