Freiberg disease

Discussion:

Freiberg infraction is an AVN or osteochondrosis of the head of the second or less commonly of the third metatarsal heads. On radiographs, the disease classically appears as flattening of the metatarsal head with subchondral sclerosis.  Subchondral fracture, secondary osteoarthritis changes and osteochondritis dissecans can develop over time.

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