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The ulnar tunnel: a rare disposition of its contents

Published online by Cambridge University Press:  01 November 1997

ENRIQUE OLAVE ,
MARIANO DEL SOL ,
CARLA GABRIELLI ,
JOSÉ CARLOS PRATES  and
CELIO F. S. RODRIGUES
ENRIQUE OLAVE
Affiliation:
Department of Basic Sciences, Faculty of Medicine, Universidad de la Frontera, Temuco, Chile
MARIANO DEL SOL
Affiliation:
Department of Basic Sciences, Faculty of Medicine, Universidad de la Frontera, Temuco, Chile
CARLA GABRIELLI
Affiliation:
Descriptive and Topographic Anatomy, Universidade Federal de Saõ Paulo, São Paulo, Brazil
JOSÉ CARLOS PRATES
Affiliation:
Descriptive and Topographic Anatomy, Universidade Federal de Saõ Paulo, São Paulo, Brazil
CELIO F. S. RODRIGUES
Affiliation:
Universidade Federal de Alagoas, Maceió, Brazil
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Abstract

The ulnar tunnel is located at the proximal part of the hand radial to the pisiform bone and to the proximal part of the carpal tunnel. Inside it lie the ulnar nerve and artery. Compression of the ulnar nerve in this tunnel is often reported. Cysts, occupational trauma, fractures and muscle variations are among the main causes (Schjelderup, 1964; Kleinert & Hayes, 1971). Damage to the ulnar nerve and artery during the endoscopic decompression of the carpal tunnel has been reported recently (Agee et al. 1992; Nath et al. 1993; De Smets & Fabry, 1995). The structures within the ulnar tunnel are closely related to the medial part of the flexor retinaculum, in particular the ulnar artery which is located lateral to the ulnar nerve. During a study of this region we found a rare disposition of the contents of this tunnel. We believe that knowledge of this variation is important for the surgical anatomy of this region.

Type
Correspondence
Information
The Journal of Anatomy , Volume 191 , Issue 4 , November 1997 , pp. 615 - 616
Copyright
© Anatomical Society of Great Britain and Ireland 1997

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