physeal arrest >50% (Golz RJ, JPO 1991;11:318-326)
should be reduced to within 2mm of anatomic. Reduction may be blocked by a tear in the joint capsule or interposition of the ECU or periosteum (Evans DL, CORR 1990;251:162-165)
follow closely for physeal arrest(loss of ulnar prominence, ulnar deviation
(Nelson, J Hand Surg 9A:164;1984)
ulnar physeal arrest leads to radial tethering, and bowing of the diaphysis and ulnar deviation with altered wrist mechanics.
Distal Ulnar Physeal Fx Follow-up
Must follow closely due to high risk of ulnar physeal growth arrest.
Ulnar Physeal arrest first evident on xray @6 months after injury.
Distal Physeal growth arrest may be treated with readial epiphysiodesis( Nelson OA, J Hand Surg AM 1984;9:164-171), corrective osteotomy of the radius, ulnar lengthening or acute ulnar lengthening with bone grafting.(Waters PM, JPO 1997;17:444-449)
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Distal Ulnar Physeal Fracture
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