J Korean Knee Soc.  2011 Mar;23(1):55-59. 10.5792/jkks.2011.23.1.55.

A Case of Asymmetric Bilateral Discoid Medial Menisci

Affiliations
  • 1Department of Orthopedic Surgery, Chonbuk National University Medical School, Jeonju, Korea. wsi1205@naver.com
  • 2Department of Orthopedic Surgery, Saint Carollo Hospital, Sunchon, Korea.

Abstract

Discoid medial meniscus is a very rare condition of the knee. Even less frequent is the presence of bilateral medial discoid menisci and in fact only 18 cases have been described in the medical literature. We present here one case of asymmetric bilateral discoid medial meniscus. One knee had an incomplete type of discoid medial meniscus with a horizontal cleavage tear confirmed by both magnetic resonance imaging (MRI) and arthroscopy. The other knee showed a complete type of discoid medial meniscus with posterior cyst formation on MRI.

Keyword

Knee; Bilateral discoid medial meniscus; Magnetic resonance imaging

MeSH Terms

Arthroscopy
Knee
Magnetic Resonance Imaging
Menisci, Tibial
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