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September 21, 2025Open Access

Dorsal Ganglion Cyst Excision Complicated by First Dorsal Metacarpal Artery Pseudoaneurysm: A Case Report

WDWilliam DebrockUniversity of North Carolina at Chapel Hill PSPragna N. ShettyUniversity of North Carolina at Chapel Hill GLGrace Anne LongfellowUniversity of North Carolina at Chapel Hill

Key Points

A pseudoaneurysm developed following dorsal ganglion cyst excision, highlighting potential surgical complications.
The patient had a unique hematologic condition, May-Hegglin anomaly, which may have contributed to the complication.
Surgical excision remains a common and safe treatment for ganglion cysts, but careful consideration is needed for patients with certain conditions.
This report emphasizes the importance of understanding the possible risks associated with ganglion cyst surgeries.

Abstract

Ganglion cysts are the most common masses of the hand and wrist. With less invasive measures, these masses often recur, pointing to surgical excision as definitive treatment. Surgical excision of ganglion cysts is considered a safe surgery with a lower recurrence rate than other treatments. We present a rare case of a first dorsal metacarpal artery pseudoaneurysm after a dorsal wrist ganglion cyst excision in a patient with May-Hegglin anomaly. This report describes the presentation, surgical approach, and perioperative considerations in a patient with a hematologic condition.

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