The Effect of Lunate Morphology in Carpal Disorders: Review of the Literature

Author(s): Peter C. Rhee, Steven L. Moran*

Journal Name: Current Rheumatology Reviews

Volume 16 , Issue 3 , 2020

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Graphical Abstract:


Variation in lunate morphology can exist based on the absence (Type I) or presence (Type II) of medial facet on the distal articular surface of the lunate that contacts the proximal pole of the hamate. This additional lunatohamate articulation can affect load transmission across the radiocarpal joint and exert an influence on carpal kinematics. A Type II lunate is protective against carpal instability patterns associated with scaphoid nonunions and scapholunate dissociations. It may also play a role in the progression of carpal collapse that occurs in Kienböck disease. This review summarizes the effect of lunate morphology in the outcomes of non-operative and operative treatment of carpal disorders.

Keywords: Lunate, morphology, Type II lunate scaphoid nonunions, scapholunate dissociations, scaphoid, radiodense arcs.

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Article Details

Year: 2020
Published on: 22 September, 2020
Page: [184 - 188]
Pages: 5
DOI: 10.2174/1573397115666190318154322
Price: $65

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