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Multiple variations of the tendons of the anatomical snuffbox

Published in Singapore Med J 2014; 55(1). Full text also available at http://sma.org.sg/UploadedImg/files/SMJ/5501/5501a4.pdf

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Main Authors: Thwin SS, Fazlin Z, Than M, (UniKL RCMP)
Format:
Published: 2014
Subjects:
abductor pollicis longus
extensor pollicis brevis
extensor pollicis longus
tendon
Online Access:http://dx.doi.org/10.11622/smedj.2013216
http://localhost/xmlui/handle/123456789/7754
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spelling my.unikl.ir-77542014-09-11T04:39:07Z Multiple variations of the tendons of the anatomical snuffbox Thwin SS Fazlin Z Than M (UniKL RCMP) abductor pollicis longus extensor pollicis brevis extensor pollicis longus tendon Published in Singapore Med J 2014; 55(1). Full text also available at http://sma.org.sg/UploadedImg/files/SMJ/5501/5501a4.pdf INTRODUCTION Multiple tendons of the abductor pollicis longus (APL) in the anatomical snuffbox of the wrist can lead to the development of de Quervain’s syndrome, which is caused by stenosing tenosynovitis. A cadaveric study was performed to establish the variations present in the tendons of the anatomical snuffbox in a Malaysian population, in the hope that this knowledge would aid clinical investigation and surgical treatment of de Quervain’s tenosynovitis. METHODS Routine dissection of ten upper limbs was performed to determine the variations in the tendons of the anatomical snuffbox of the wrist. RESULTS In all the dissected upper limbs, the APL tendon of the first extensor compartment was found to have several (3–14) tendon slips. The insertion of the APL tendon slips in all upper limbs were at the base of the first metacarpal bone, trapezium and fascia of the opponens pollicis muscle; however, in seven specimens, they were also found to be attached to the fleshy belly of the abductor pollicis brevis muscle. In two specimens, double tendons of the extensor pollicis longus located in the third extensor compartment were inserted into the capsule of the proximal interphalangeal joints before being joined to the extensor expansion. In two other specimens, the first extensor compartment had two osseofibrous tunnels divided by a septum that separated the APL tendon from the extensor pollicis brevis tendon. CONCLUSION Multiple variations were found in the anatomical snuffbox region of the dissected upper limbs. Knowledge of these variations would be useful in interventional radiology and orthopaedic surgery. 2014-09-11T04:39:07Z 2014-09-11T04:39:07Z 2014-01 Singapore Medical Journal http://dx.doi.org/10.11622/smedj.2013216 http://localhost/xmlui/handle/123456789/7754
institution Universiti Kuala Lumpur
building UniKL Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kuala Lumpur
content_source UniKL Institutional Repository
url_provider http://ir.unikl.edu.my/
topic abductor pollicis longus
extensor pollicis brevis
extensor pollicis longus
tendon
spellingShingle abductor pollicis longus
extensor pollicis brevis
extensor pollicis longus
tendon
Thwin SS
Fazlin Z
Than M
(UniKL RCMP)
Multiple variations of the tendons of the anatomical snuffbox
description Published in Singapore Med J 2014; 55(1). Full text also available at http://sma.org.sg/UploadedImg/files/SMJ/5501/5501a4.pdf
format
author Thwin SS
Fazlin Z
Than M
(UniKL RCMP)
author_facet Thwin SS
Fazlin Z
Than M
(UniKL RCMP)
author_sort Thwin SS
title Multiple variations of the tendons of the anatomical snuffbox
title_short Multiple variations of the tendons of the anatomical snuffbox
title_full Multiple variations of the tendons of the anatomical snuffbox
title_fullStr Multiple variations of the tendons of the anatomical snuffbox
title_full_unstemmed Multiple variations of the tendons of the anatomical snuffbox
title_sort multiple variations of the tendons of the anatomical snuffbox
publishDate 2014
url http://dx.doi.org/10.11622/smedj.2013216
http://localhost/xmlui/handle/123456789/7754
_version_ 1644484929245937664
score 13.214268

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