Unusually high bifurcation of the median nerve resulting in two separate cylindrical compartments within the transverse carpal ligament: a case report

Author(s): Ameya S. Kamat* and Kelvin Woon

The median nerve courses through the carpal tunnel before entering the hand. Numerous descriptions of this pathway exist. Several variants exist and have been documented. We report a case of an unusually high bifurcation of the median nerve into radial and ulnar branches proximal to the transverse carpal ligament. Another factor that makes our case unique is that both the branches were encapsulated by fibers arising from the transverse carpal ligament and were separated into two separate compartments within this ligament.

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