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Case Reports

Carpal tunnel syndrome caused by a fibrolipomatous hamartoma of the median nerve treated by endoscopic release of the carpal tunnel

Pages 124-127 | Accepted 16 Jun 2008, Published online: 03 Apr 2012
 

Abstract

Fibrolipomatous hamartoma has up to now been considered a rare anomaly that most commonly affects the median nerve. Its pathogenesis is controversial. The magnetic resonance (MR) appearance is pathognomonic and precludes the necessity for a diagnostic biopsy. Its reported incidence is likely to increase as a result of the increased use of MRI. There is no definitive treatment, although carpal tunnel syndrome caused by fibrolipomatous hamartoma has been noted to respond to open release of the carpal tunnel. We describe a case of carpal tunnel syndrome caused by fibrolipomatous hamartoma of the median nerve that responded to a two-port endoscopic technique of release. Provided that a safe, distinct surgical plane can be established between the median nerve and the flexor retinaculum, the two-port technique of endoscopic release of the carpal tunnel is both safe and effective.

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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