Left foot pain.
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T1W hyposignal and PD fat suppressed hypersignal geographic line delineating a fragment of avascular necrosis in the head of the fourth metatarsal.
Freiberg infraction is osteochondrosis of metatarsal heads. It typically affects the 2nd metatarsal head, although the 3rd and 4th may also be affected. It is most common in females aged 10-18 years and can be bilateral in up to 10% of cases.