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28.08.2017|Остальное

Foot Accessory Navicular Excision


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Overview

The navicular bone is located on the inside of the foot just above the arch. One in 10 people has an accessory navicular bone, which is an extra piece of bone attached to the navicular. Just like other bones, the accessory navicular bone grows and hardens in adolescence. People with an accessory navicular may experience pain and swelling from shoe pressure or from frequent sprains where the extra piece of bone attaches.

 

Accessory Navicular Syndrome

 

Causes

This can result from any of the following. Trauma, as in a foot or ankle sprain. Chronic irritation from shoes or other footwear rubbing against the extra bone. Excessive activity or overuse. Many people with accessory navicular syndrome also have flat feet (fallen arches). Having a flat foot puts more strain on the posterior tibial tendon, which can produce inflammation or irritation of the accessory navicular.

 

Symptoms

The majority of people with an accessory navicular experience no symptoms, since, for the most part, the little extra bone simply isn?t large enough to cause problems. Unfortunately, some people lose on ?accessory navicular roulette,? and the bone begins to mess things up with the foot. These problems usually show up sometime in adolescence, when bones and cartilage in the body are settling into their final shapes (although occasionally people make it all the way through childhood, only to start experiencing discomfort and pain in adulthood).

 

Diagnosis

To diagnose accessory navicular syndrome, the foot and ankle surgeon will ask about symptoms and examine the foot, looking for skin irritation or swelling. The doctor may press on the bony prominence to assess the area for discomfort. Foot structure, muscle strength, joint motion, and the way the patient walks may also be evaluated. X-rays are usually ordered to confirm the diagnosis. If there is ongoing pain or inflammation, an MRI or other advanced imaging tests may be used to further evaluate the condition.

 

Non Surgical Treatment

For less severe symptoms, decreasing or modifying activity, such as avoiding aggravating activities, may suffice. Ice and NSAIDS can be used to help control pain. An arch support or an orthotics may help to stabilize the arch What makes you grow taller during puberty? this time. When rubbing on the bump causes pain, a doughnut pad can be worn. Exercises to increase range of motion and improve movement should still be used.

 

Accessory Navicular Syndrome

 

Surgical Treatment

Surgical treatment of the accessory navicular syndrome with simple excision has the advantages of less invasive to the posterior tibial tenden and the medial longitudinal arch of the foot, shorter time of immobilization of the foot and stay in hospital, small incision and good clinical results. This procedure is one of the best selective treatments for the accessory navicular syndrome, especially for the patients without flatfoot deformity and old sprain injury.

 

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