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Foot & Ankle
intermediate
X-Type

Osteochondral Lesions of the Talus

Ankle Pathology

A 28-year-old basketball player presents with persistent ankle pain 6 months after an ankle sprain. He describes deep ankle pain, intermittent swelling, and occasional catching. Plain radiographs show a subtle lucency in the medial talar dome. MRI confirms a 12mm osteochondral lesion of the medial talar dome with subchondral cystic change and an unstable cartilage flap. Regarding osteochondral lesions of the talus (OLT):

Mark each as TRUE or FALSE

A

OLT typically occurs after ankle trauma (inversion sprain); medial lesions are more common (56%), de...

B

The talus has 60% articular cartilage coverage and limited blood supply (no muscle attachments); blo...

C

Lateral lesions are more common than medial lesions; lateral lesions are deep and cup-shaped; medial...

D

Non-operative treatment (activity modification, bracing, NSAIDs) is appropriate for stable, small le...

E

Arthroscopic microfracture involves removing unstable cartilage, debriding to stable rim, creating m...

Answer the questions to see explanations

Click T (True) or F (False) for each option