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CHONDROMALACIA OF THE PATELLA

A Study of the Later Results of Excision of the Articular Cartilage



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Abstract

Removal of a small, moderate or major part of the articular cartilage of the patella for chondromalacia has been successful in twenty-two knees out of twenty-eight. These knees are functionally at least as good as after a successful patellectomy, and their appearance is better.

Only one knee that was initially improved by operation deteriorated during a follow-up period of five to seven years.

Of the six unsuccessful results, four were in patients whose symptoms began during adolescence. Excision of articular cartilage therefore seems to be contra-indicated during adolescence and when there is reason to believe that the chondromalacia will be rapidly progressive.

Failure of excision of articular cartilage to relieve the symptoms within a few months is an indication for patellectomy.

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