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.

By Healthwise Staff
Primary Medical Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical Reviewer Gavin W.G. Chalmers, DPM - Podiatry and Podiatric Surgery
Last Revised February 24, 2012

Last Revised: February 24, 2012

Author: Healthwise Staff

Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Gavin W.G. Chalmers, DPM - Podiatry and Podiatric Surgery

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