Spontaneous osteonecrosis of the knee

Case contributed by Dr Ahmed Abdrabou


Knee pain and swelling and negative history of trauma.

Patient Data

Age: 50 years old
Gender: Male

Marrow edema of the medial femoral and to lesser extent medial tibial condyles with subchondral flattening of the medial femoral condyle (weight bearing area).

Diagnosis: Spontaneous osteonecrosis of the knee (SONK)

Case Discussion

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Case information

rID: 22869
Published: 30th Apr 2013
Last edited: 14th Aug 2019
Tag: knee
Inclusion in quiz mode: Included

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