Tuesday, September 22, 2009

MRI of the day: Talus lesion

Osteochondral fracture of the dame of the talus, osteochondritis dissecans. T2-weighted caranal, gradient echo MR image of an ankle in a young woman one month after injury to the ankle. The cartilage has high signal intensity. The osteochondral lesion appears at the medial aspect of the dame of the talus (arrow). The lesion is covered by cartilage.