Lateral meniscal cyst producing lesion of the tibial plateau and literature review

Abstract

see front matter a 200 jsu.2006.05.004 Meniscal cysts are found in 1e22% of meniscectomies. Patients are usually young adults, mostly males. The lateral meniscus is most commonly affected, whereas medial meniscus cysts are usually larger. A history of trauma is usually recorded in around 50% of the cases as well as a strong association with horizontal meniscal tears. The expanding mass of a meniscal cyst can mimic a tumour and can press on the peroneal nerve or cause degenerative arthritis or both. In this paper we present a patient with a lateral meniscal cyst that caused erosion of the lateral tibial plateau confounded with the suspicion of a neoplastic lesion.