中英文字幕：足部副舟骨（Accessory Navicular）

　　足的副舟骨是舟骨结节部第二化骨中心的先天异常，在舟骨结节处形成一个独立的副骨。 足内侧隆起，久站或行走较长时， 感足底内侧疼痛。

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Accessory Navicular

足副舟骨

Overview（概述）

An accessory navicular is an extra bone, joined to the navicular by fibrous tissue or cartilage, that can develop in certain people. This bone can cause pain, and may be susceptible to injury.

　　某些人会出现副舟骨，它是一个额外的骨骼，通过纤维组织或软骨与舟状骨连接。该骨可引起疼痛，并容易受伤。

Causes（原因）

An accessory navicular develops as a result of a congenital anomoly and is found more often in women. If the bone is large, it may rub against a shoe, causing pain. Because of its location, the posterior tibial tendon may pull on the bone during walking or running, causing the fibrous tissue that connects the accessory navicular to the navicular to tear and become inflamed.

　　出现副舟骨属于先天异常，在女性中更为常见。如果该骨较大，它可能会与鞋子摩擦，引起疼痛。由于它的存在，在走路或跑步的过程中，胫后肌腱可能牵拉到骨头，造成连接副舟骨与舟骨的纤维组织撕裂和发炎。

Symptoms（症状）

The main symptom of an aggravated accessory navicular is pain, particularly in the instep. Walking can sometimes be difficult, and tight shoes may worsen the condition.

　　副舟骨严重时主要症状是疼痛，特别是在脚内侧。 有时会引起走路困难，鞋子过紧会加重病情。

Treatment（治疗）

Treatment options for a painful accessory navicular can include anti-inflammatory medications, rest, arch support structures in the shoe, or use of a cast or splint. Severe cases may require surgery.

　　副舟骨出现疼痛时治疗方案包括消炎止痛药，休息，鞋内足弓支撑物，支具或夹板固定。严重者可能需要手术治疗。

（韩健勇    译）

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