A Rare Case of Carpal Tunnel Syndrome Due to Subepineural Hematoma of Median Nerve: Diagnosis and Surgical Management.

Carpal tunnel syndrome (CTS) is a common neuropathy with various underlying causes, posing diagnostic and management challenges for healthcare providers. The condition is typically associated with repetitive strain, idiopathic factors, or anatomical variations, leading to the compression of the median nerve within the carpal tunnel. We describe a case of a 46-year-old male who presented with recurrent CTS symptoms one year after a successful carpal tunnel release surgery. The symptoms resurfaced following a minor wrist trauma, leading to pain, numbness, and hand weakness. Despite initial conservative management, including immobilization and NSAIDs, the symptoms persisted. Further investigation and exploratory surgery revealed a rare subepineural hematoma of the median nerve, which was subsequently drained, resulting in immediate and lasting symptom relief. This case demonstrates the importance of considering uncommon etiologies such as subepineural hematomas in patients with recurrent CTS and underscores the need for a thorough diagnostic approach to ensure effective treatment.

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