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van Beek Edwin J.R. MD; Dijkstra, Piet F. MD; Barker, A. D.J. MD; Griffioen, Francisca M.M. MD, PHD; Broekhuizen, Tom H. MD, PHD; Monique, M. C.; Tiel-van, Buul MD
Investigative Radiology: November 1992
Preliminary Reports: PDF Only

Tiel-van Buul MMC, van Beek EJR, Dijkstra PF, Bakker AJ, Griffioen FMM, Broekhuizen TH. Radiography of the carpal scaphoid: experimental evaluation of “the carpal box” and first clinical results. Invest Radiol 1992;27:954–959.

RATIONALE AND OBJECTIVES. The authors describe a new device (“the carpal box”) for the radiographic detection of occult scaphoid fracture.

METHODS. Fractures in the scaphoid of five cadaver specimens were mechanically produced. Subsequent examinations included conventional scaphoid radiography, multi-angle radiography, and radiography using the new device. The anatomic analysis of the specimens served as the standard for comparison. A pilot study was performed in six consecutive patients with suspected scaphoid fracture.

RESULTS. Neither scaphoid radiography nor multi-angle radiography could confirm a fracture in two specimens, whereas all fractures were recognized on the carpal box radiographs. All scaphoid fractures were visualized by carpal box radiography, whereas scaphoid radiography was equivocal in one patient and negative in the other.

CONCLUSIONS. Carpal box radiography may have additional value in the diagnosis of occult scaphoid fracture. This may lead to a reduction in costs and inconvenience for patients with clinically suspected scaphoid fracture and negative scaphoid radiography.

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