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  • Title: Knee dysfunction secondary to dislocation of the fabella.
    Author: Frey C, Bjorkengen A, Sartoris D, Resnick D.
    Journal: Clin Orthop Relat Res; 1987 Sep; (222):223-7. PubMed ID: 3621725.
    Abstract:
    The fabella, a sesamoid bone in the lateral head of the gastrocnemius muscle occurring in 10% to 30% of individuals, is rarely considered a possible cause of knee dysfunction. When noted, the fabella is occasionally mistaken radiographically for an intraarticular ossified fragment; however, symptomatic conditions of the fabella have been well documented in the literature. This is a report of symptomatic dislocation of an enlarged fabella in a 37-year-old man. In a review of the literature of various lesions of the fabella, disability related to dislocation seems not to have been previously reported.
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