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Hallux valgus: intermetatarsal angle

Case contributed by Samir Benoudina
Diagnosis certain

Hallux valgus: Intermetatarsal angle

Case Discussion

The intermetatarsal (IM) angle is drawn between the 1st and 2nd metatarsal shaft on an axial view of the foot. A normal value is considered to be under 9 degrees.

This angle increases with hallux valgus and metatarsus adductus deformities

 

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