TITLE

Promontory of radius: a new anatomical description on the distal radius

AUTHOR(S)
Windisch, G.; Clement, H.; Tanzer, K.; Feigl, G.; Grechenig, W.; Anderhuber, F.; Pichler, W.
PUB. DATE
December 2007
SOURCE
Surgical & Radiologic Anatomy;Dec2007, Vol. 29 Issue 8, p629
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Surgical treatment of distal radius fractures with palmar plates has gained popularity as the preferred approach to achieve anatomical fracture reposition. One hundred and thirty four radii of human cadavers were examined to elucidate the anatomy of the distal radius, especially the transition of the anterior into the lateral surface and a new term was given: promontory of radius. The promontory was located on the lateral surface between the changing of the convex to the concave curvature and the base of the styloid process. The anterior surface increased gradually from the ulnar notch to the lateral surface and formed the “base” of the promontory. The length of the promontory on the lateral surface measured 14–28 mm (mean 20.766 mm, SD 2.69 mm). The width of the promontory was found in between 10 and 27 mm (mean 13.857 mm, SD 2.14 mm). The width of the distal radius was 16–38 mm (mean 31.015 mm, SD 3.26 mm) and did not show any statistical correlation to the promontory. On the anterior surface the minimal width of promontory measured 4.9 mm, the maximal one 17.9 mm (mean 8.95 mm, SD 3.60). The height of the promontory on the anterior surface ranged in between 1.2 and 4.3 mm (mean 2.90 mm, SD 1.05 mm). The promontory of radius must be kept in mind to avoid any dorsal dislocation of the radial fragment often described as complication of intraarticular fractures. Based on this anatomical survey the data can be used for a new palmar radius plate designs.
ACCESSION #
27557361

 

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