Carpal Tunnel Syndrome

"Carpal tunnel syndrome (CTS) is the entrapment of median nerve during passing the wrist within carp . The median nerve passes, with nine extrinsic digital flexors, through the tunnel bound by the carpal bones and transverse ligament, which is attached to the scaphoid, trapezoid and hamate. Anatomically the carpal tunnel narrows in cross section at 2.0 to 2.5 cm distal to the entrance . An abnormally high intracarpal tunnel pressure also peaks at this level in patients with carpal tunnel syndrome Carpal tunnel syndrome is the most common entrapment mononeuropathy. Symptoms of carpal tunnel syndrome include paresthesias (numbness, tingling and burning) involving the median nerve distribution (first 3 digits and median half of 4th finger) along with a deep aching pain in the hand and wrist . These symptoms are intermittent and typically worse at night where the patient is awakened from sleep and relieves the discomfort by vigorously shaking the hand (Flick sign)

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Last date updated on November, 2024