Bunion

A bunion is a localized painful swelling at the base of the big toe (the great toe). The joint is enlarged (due to new bone formation) and the toe is often misaligned. It is frequently associated with inflammation. It can be related to inflammation of the nearby bursa (bursitis) or degenerative joint disease (osteoarthritis). Bunions most commonly affect women. Ballet dancers are prime candidates for bunions. Tight-fitting shoes and high heels can contribute to bunions. The treatment of bunions includes rest, a change in shoes, foot supports, medications or surgery.

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A localized swelling at either the medial or dorsal aspect of the first metatarsophalangeal joint, caused by an inflammatory bursa; a medial b. is usually associated with hallux valgus. [O.F. buigne, bump on the head]

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bun·ion 'bən-yən n an inflamed swelling of the small fluid-filled sac on the first joint of the big toe accompanied by enlargement and protrusion of the joint compare HALLUX VALGUS

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n.

a swelling of the joint between the great toe and the first metatarsal bone. A bursa often develops over the site and the great toe becomes displaced towards the others (hallux valgus). Bunions are usually caused by ill-fitting shoes and may require surgical treatment.

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bun·ion (bunґyən) [L. bunio; Gr. bounion turnip] abnormal prominence of the inner aspect of the first metatarsal head, accompanied by bursal formation and resulting in a lateral or valgus displacement of the great toe.

Bunion.