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Blanch sign of Steel
Blanch sign of Steel
With posterior slippage of the femoral epiphysis, the portion that is located behind the metaphysis may be projected as a semicircular area of increased density on the neck of the femur. This radiographic sign is known as the "Blanch sign of Steel."
Reproduced with permission from: Steel, HH. J Bone Joint Surg 1986; 68A:920. Copyright © 1986 The Journal of Bone and Joint Surgery, Inc.
Graphic 58172 Version 1.0