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Bunion: Metatarsophalangeal joint


Picture of a bunion and the joint at the base of the big toe

A bunion (hallux valgus) is an enlargement of bone or tissue around the joint at the base of the big toe (metatarsophalangeal joint). This results in a bump on the outside edge of this toe.

ByHealthwise Staff
Primary Medical ReviewerWilliam M. Green, MD - Emergency Medicine
Specialist Medical ReviewerBarry L. Scurran, DPM - Podiatry and Podiatric Surgery
Last RevisedFebruary 4, 2010

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