Discoid medial meniscus with horizontal tear - bilateral

Case contributed by Bahman Rasuli
Diagnosis almost certain

Presentation

Chronic bilateral knee pain.

Patient Data

Age: 20 years
Gender: Male
  • incomplete discoid medial meniscus with horizontal tear along with body and posterior horn

  • lateral meniscus with horizontal tear along with anterior horn, associated with parameniscal cyst measuring about 5 x 15 mm next to the anterior horn

  • small popliteus tendon synovial cyst measuring about 5 x 20 mm

  • incomplete discoid medial meniscus with horizontal tear along with body and posterior horn

  • small popliteus tendon synovial cyst measuring about 10 x 20 mm

  • PCL ganglion cyst measuring about 5 x 10 mm

Case Discussion

An unusual case of the bilateral incomplete discoid medial meniscus with a horizontal tear. Discoid meniscus is an anatomical variant that has a body that is too wide, usually affecting the lateral meniscus.

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