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The Pronator Quadratus Sign: Its Classification and Diagnostic Usefulness for Injury and Inflammation of the WristFrom Kyushu University, Fukuoka, Japan Correspondence: Yoshiichi Sasaki, M.D., Department of Orthopaedic Surgery, Faculty of Medicine, Kyushu University, 3-1-1 Maidashi, Higashiku, Fukuoka 812, Japan The clinical value of the pronator quadratus radiological sign was investigated. Fresh undisplaced fractures of the distal radius and acute injuries of the distal radio-ulnar joint showed anterior displacement of the radiolucent shadow in 85% and 88% respectively, but normal subjects no displacement. In rheumatoid arthritis, the presence of synovitis of the wrist joint appeared to be correlated with a blurred shadow at the distal end.
Journal of Hand Surgery (British and European Volume), Vol. 14, No. 1,
80-83 (1989) |
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