• I Zammit-Maempel, R A Bisset, J Morris, and W S Forbes.
• Department of Radiology, Hope Hospital, Salford.
• Clin Radiol. 1988 Nov 1; 39 (6): 664-8.

AbstractA retrospective study of the wrist radiographs of 1453 patients presenting with acute wrist trauma was undertaken in order to assess the value of soft tissue signs. A total of 773 radiographs which were judged to be normal were used to evaluate the normal pronator quadratus fat stripe. The distance of the normal pronator fat stripe from the radius was shown to be significantly lower in females than in males and increased with age. The increase with age was greater in males. Although most fractures were associated with some soft tissue abnormality, certain fractures, especially greenstick fractures in children, had normal soft tissue planes. Only 4% of the wrists examined had soft tissue abnormalities with no visible fracture. The presence of soft tissue signs should therefore be considered with suspicion when evaluating wrist radiographs in trauma, but the absence of signs does not necessarily exclude a fracture.

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