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Journal of the Korean Academy of Rehabilitation Medicine 1990;14(2):18.
Conduction Study of Median Palmar Cutaneous Nerve in Normal and Carpal Tunnel Syndrome Groups
Jae Ho Moon, M.D., Mee Kyung Park, M.D., Mi Hee Lee, M.D., , Byung Gwon Park, M.D.
Department of Rehabilitation Medicine, Yonsei University College of Medicine
Median Palmar Cutaneous Nerve의 신경전도에 관한 연구
문재호, 박미경, 이미희, 박병권
연세대학교 의과대학 재활의학교실

The median palmar cutaneous nerve aries from radial aspect of median nerve. about 5.5cm proximal to the radial styloid and supplies sensation to the thenar eminence and proximal radial aspect of the palm, The nerve may be injured by direct trauma or accidently traumatized during surgical procedure such as carpal tunnel release although it is not involved in carpal tunnel syndrome.

The conduction study of median palmar cataneous nerve was performed in Korean 60 normal individuals (120 nerves) and 11 patients with carpal tunnel syndrome (15 nevers) to estabilish the normal values and be helpful in differential diagnosis of carpal tunnel syndrome,

The mean values of conduction study of median palmar cutaneous nerve were 1.84±0.16 msec for distal latency, 20.20±4.79 ㎶ in amplitude, 1.75±0.10 msec in duration and 54.79±4.02m/sec in conduction velocity, All those showed no significant difference in both side and sex. The study of median palmar cutaneous nerve in patient with carpal tunnel syndrome revealed normal values except two patients with ganglion and with laceration wound at radial aspect of wrist.

Key Words: Median palmar cutaneous nerve, Carpal tunnel syndrome


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