PMC8687841_01
Initial X-rays of the patient showing osteochondritis dissecans (OCD) lesion of the lateral trochlear groove on (a) lateral and (b) sunrise views of the left knee.
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An X-ray showed an osteochondritis dissecans (OCD) lesion of the lateral trochlear groove (Figure 1), and an MRI was obtained to stage the lesion.
MRI evaluation of the knee showing stable trochlear osteochondritis dissecans (OCD) lesion on the (a) axial T2-weighted image, (b) sagittal T2-weighted image, and (c) sagittal T1-weighted image.
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The MRI showed a stable OCD lesion of the trochlea (Figure 2).
Follow up X-rays of patient with trochlear osteochondritis dissecans (OCD) showing bony healing on (a) lateral and (b) sunrise views of the left knee.
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At her 8th week follow-up, she still had occasional pain with mild flexion and the X-ray showed bone formation of the trochlear groove without any subchondral collapse or loose bodies (Figure 3).