Bunions (hallux valgus)

A bunion is the result of a deformity of the big toe. The long bone in the middle of the foot (metatarsal) becomes deviated towards the other foot, whilst the big toe (Hallux) pushes to towards the smaller toes. As a result the joint becomes prominent on the inside of the foot. This prominence is termed the bunion and it can often become inflamed if it rubs on shoes.

In severe cases a bursa (rather like a deep blister) is formed and this can become inflamed (bursitis). The abnormal position of the joint can cause wear and tear, resulting in arthritis within the joint. The medical term for this deformity is Hallux Valgus because the big toe assumes a valgus position.

How is it recognised?

Clinical examination and a detailed history allow diagnosis. X-rays help to evaluate the extent of the deformity and the degree of arthritis within the joint.

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