[Pathophysiology of perilunate dislocation]
Vilijam Zdravkovic, G R Sennwald, M Fischer & G Segmüller
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abstract
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The anatomy of the palmar scapho-triquetral ligament was studied: on
15 hand specimens by means of gross anatomical dissections and MR
imaging; and on a further 10 foetal wrist specimens,
microanatomically. This ligament allows us to present the proximal
carpal row as a socket, consisting of an upper part (the triquetrum,
distal part of the scaphoid, and the dorsal and palmar
scapho-triquetral ligament), and a base (the concave parts of the
lunatum and scaphoid, connected by the scapho-lunate ligament). With
a hyperextension wrist injury the upper part follows the distal part
of the carpus, while the base remains fixed at the radius. The upper
part slips away from the base, consequently, injuring the
ligamentous structure, or causing a scaphoid fracture. The
luno-triquetral and the palmar scapho-triquetral ligaments are also
frequently torn. The overall prognosis depends on the grade of
ligament damage. The arthroscopy allows us to estimate the state of
the ligament structures, therefore, it is indicated before any
reconstructive operation.
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citation
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Zdravkovic V, Sennwald G R, Fischer M, Segmüller G.
[Pathophysiology of perilunate dislocation]. Z Unfallchir
Versicherungsmed 1993; 86:253-8.
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type
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journal paper/review (Translation2::getLang(): unknown language "".
Use Translation2::setLang() to set a default language.)
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date of publishing
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1993
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journal title
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Z Unfallchir Versicherungsmed (86/4)
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ISSN print
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1017-1584
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pages
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253-8
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PubMed
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8142179
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