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 Indian J Med Microbiol  
 

Figure 21 (A and B): Subchondral cyst. A 61 year old male with left knee pain. (A) AP radiograph of knee shows large subarticular lucencies with sclerotic rims (arrows) in the medial and lateral femoral condyles. There is narrowing of the joint space and osteophytosis (arrowheads) consistent with degenerative osteoarthritis (B) Coronal T2W fat-saturated MRI image demonstrates cystic lesions (arrows) abutting the narrowed joint space (arrowheads)

Figure 21 (A and B): Subchondral cyst. A 61 year old male with left knee pain. (A) AP radiograph of knee shows large subarticular lucencies with sclerotic rims (arrows) in the medial and lateral femoral condyles. There is narrowing of the joint space and osteophytosis (arrowheads) consistent with degenerative osteoarthritis (B) Coronal T2W fat-saturated MRI image demonstrates cystic lesions (arrows) abutting the narrowed joint space (arrowheads)