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Int Orthop. 1995;19(5):275-9.

Popliteal cysts and associated disorders of the knee. Critical review with MR imaging.

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Dipartimento di Scienze e Tecnologie Biomediche, Università di Milano, Italy.


We have studied retrospectively the epidemiological features of popliteal cysts in adults and the incidence of associated intra-articular disorders in a series of 1001 patients undergoing magnetic resonance imaging who had been randomly referred to our institution. Images of popliteal cysts were seen in 4.7% of this group which is lower than in other studies with different imaging techniques. A communication with the joint was invariably found. The cysts were associated with one, or more, disorders detected by MRI in 94%. The commonest lesions were meniscal (83%), frequently involving the posterior horn of the medial meniscus, chondral (43%), and anterior cruciate ligament tears. Our data suggest that intra-articular disorders may play an important role in the pathogenesis of popliteal cysts in adults.

[Indexed for MEDLINE]

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