Osteochondritis dissecans of the knee

A.Prof Frank Gaillard et al.

Osteochondritis dissecans (OCD) most commonly affects the knee. See osteochondritis dissecans article for a general discussion.

Location

The condition occurs bilaterally in 25% of cases, and has a characteristic distribution:

  • medial condyle: 85% 2,4
    • "classic" lateral surface of the medial condyle: 69%
  • lateral condyle: 15%
    • inferocentral portion: 13% 4
    • anterior surface: 2%
  • patello-femoral groove: uncommon
  • weight-bearing surface of the tibia: uncommon

These are discussed in the general article on osteochondritis dissecans.

The differential diagnosis includes:

  • normal fusing apophysis: painless
  • acute osteochondral fracture

In older patients consider:

Knee pathology

The knee is a complex synovial joint that can be affected by a range of pathologies:

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Article information

rID: 1798
Section: Pathology
Tag: knee
Synonyms or Alternate Spellings:
  • OCD of knee
  • Osteochondritis dissecans of knee
  • OCD knee
  • Osteochondritis dissecans affecting the knee

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Cases and figures

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Coronal STAIR
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