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  • Title: The incidence of fabellae in osteoarthrosis of the knee.
    Author: Pritchett JW.
    Journal: J Bone Joint Surg Am; 1984 Dec; 66(9):1379-80. PubMed ID: 6501334.
    Abstract:
    I examined radiographs of the knees of 600 men to determine the incidence of fabellae in radiographically normal knees as compared with knees with primary osteoarthrosis. At least a unilateral fabella was present in 106 (35 per cent) of 300 patients with primary osteoarthrosis of the knee. In an age-matched group of 300 patients with radiographically normal knees, only forty-four (15 per cent) had a fabella. The presence of a fabella may represent an atavistic pattern, and the fact that knees with primary osteoarthrosis are more likely to contain a fabella raises the question of whether an atavistic pattern predisposes a knee to osteoarthrosis.
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