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A block of full extension may occur after malunion of an intercondylar tibial eminence fracture. Five patients with this complication were treated by arthroscopic femoral notchplasty. At follow-up, between 6 months and 5 years, four patients had regained full extension and the fifth was improved. This is an effective method of regaining extension in selected patients.
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Luger et al. (1994) studied this question.
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