Anatomical variations of the median nerve in the carpal tunnel

The median nerve was explored in 100 hands and the variations classified by the Lanz system. Only 47.7% of hands showed the standard anatomy described in textbooks. Rare variations were also found. Knowledge of the variable anatomy of the nerve could help to avoid incomplete decompression at operati...

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Bibliographic Details
Published inInternational orthopaedics Vol. 19; no. 1; p. 30
Main Authors Stancić, M F, Eskinja, N, Stosić, A
Format Journal Article
LanguageEnglish
Published Germany 01.02.1995
Subjects
Carpal Bones - anatomy & histology
Humans
Median Nerve - anatomy & histology
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Summary:The median nerve was explored in 100 hands and the variations classified by the Lanz system. Only 47.7% of hands showed the standard anatomy described in textbooks. Rare variations were also found. Knowledge of the variable anatomy of the nerve could help to avoid incomplete decompression at operations for carpal tunnel entrapment and injury to the thenar branch of the nerve. The possibility of double thenar innervation must be considered in preoperative evaluation and in the follow up of median nerve injuries.
ISSN:0341-2695
DOI:10.1007/BF00184911