Fig. 3
From: Bilateral juvenile osteochondrosis dissecans in monozygotic twins: a case report
T1-weighted turbo spin echo sequences (T1-TSE) follow-up MR images in the sagittal plane of osteochondrosis dissecans of the left knee joint of twin 2 after (a) first clinical presentation, (b) three months, (c) seven months and (d) 12 months. The cartilage cover is intact at all times, the defect size is significantly reduced over time and the bone structure appears almost completely regenerated in the last MRI