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Overview<br>An The accessory navicular bone (os navicularum or os tibiale externum) is an accessory extra bone or piece of cartilage located on the inner side of the foot that occasionally develops abnormally causing a plantar medial enlargement of just above the naviculararch. The accssory navicular bone presents as a sesamoid in It is incorporated within the posterior tibial tendon, which attaches in articulation with the this area. An accessory navicular or as an enlargment of the navicular. Navicular is congenital (boat shapedpresent at birth) is an intermediate tarsal bone on the medial side of the foot. It is located on the medial side not part of the foot, normal bone structure and articulates proximally with therefore is not present in most people. People who have an accessory navicular often are unaware of the talus. Distally condition if it articulates with the three cuneiform bonescauses no problems. In However, some cases it articulates laterally people with this extra bone develop a painful condition known as accessory navicular syndrome when the cuboid. The tibialis bone and/or posterior inserts to the os navicularetibial tendon are aggravated. The tibialis posterior muscle Many people with accessory navicular syndrome also contracts to produce inversion of the foot and assists in the plantar flexion of the foot at the anklehave flat feet (fallen arches). Tibialis posterior also has Having a major role in supporting the medial arch of the flat foot. This supports is compromised by abnormal insertion of the tendon into puts more strain on the accessory navicular bone when present. This lead to loss of suspension of tibialis posterior tibial tendon and may cause peroneal spastic pes planus , which can produce inflammation or simple pes planus. But, yet a cause and effect relationship between irritation of the accessory navicular and pes planus is doubtful and is yet unproved clearly.<br><br><br><br>Causes<br>This painful foot condition Accessory navicular syndrome as it is caused by called can result from a number of causes, excess or overuse syndrome as seen in an extra bone in athlete. Trauma to the foot called as in an ankle sprain or direct trauma to the accessory navicularbone. Only about 10% of people have this chronic irritation from shoes rubbing against the extra bone (4 to 21%), and not all of them will develop any symptomsover time, may cause pain. The navicular bone is one of Excessive pronation which strains the normal tarsal bones attachment of tibialis posterior muscles into the footnavicular bone. It is located on Keep in mind, the inside of larger the footactual accessory bone, at the archgreater the chance of it becoming an issue.<br><br>Symptoms<br>Most people born with this bone begin to experience the symptoms (if at all any) in adolescence. Some may not develop any symptoms until adulthood. The main symptom of an aggravated accessory navicular is pain, particularly symptoms are a visible abnormal protrusion in the instep. Walking can sometimes be difficultmid-foot, swelling and tight shoes may worsen redness of the protrusion, pain in the conditionmid-foot after performing an activity.<br><br>Diagnosis<br>To diagnose accessory navicular syndrome, medical staff ask about the patient?s activities and symptoms. They will examine the foot for irritation or swelling. Medical staff evaluate the bone structure, muscle, joint motion, and the patient?s gait. X-rays can usually confirm the diagnosis. MRI or other imaging tests may be used to determine any irritation or damage to soft-tissue structures such as tendons or ligaments. Because navicular accessory bone irritation can lead to bunions, [http://womanlycushion45nosyalloy820.Exteensoup.comio/post/20150624594916943/hammertoeHammer-Toes-What-correctionCauses-procedure Them heel spurs] and plantar fasciitis, it?s important to seek treatment.<br><br>Non Surgical Treatment<br>In order The goal of non-surgical treatment for accessory navicular syndrome is to strengthen your muscles relieve the symptoms. The following may be used. Placing the foot in a cast or removable walking boot allows the affected area to prevent further injury rest and decreases the inflammation. To reduce swelling, a bag of ice covered with a thin towel is applied to provide support to the footaffected area. Do not put ice directly on the skin. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, may be prescribed. In some cases, your podiatrist oral or injected steroid medications may also outline a physical be used in combination with immobilization to reduce pain and inflammation. Physical therapy routine may be prescribed, including exercises and prescribe orthoticstreatments to strengthen the muscles and decrease inflammation. Orthotics will The exercises may also help prevent recurrence of the symptoms. Custom orthotic devices that fit into the shoe provide support to for the arch , and may play a role in preventing future symptoms. Even after successful treatment, the symptoms of your footaccessory navicular syndrome sometimes reappear. When this happens, although they must be carefully crafted in order to make room for that pesky extra bone you?ve got poking aboutnon-surgical approaches are usually repeated.<br><br><br><br>Surgical Treatment<br>If your pain and discomfort don’t go away with treatments like thesenon-operative treatment fails to relieve the patient’s symptoms, then it surgical intervention may be time to consider surgerywarranted. If you decide to go through with it, your surgeon will probably remove the The standard operative treatment of an accessory navicular once and for allis a Kidner procedure. However, and will tighten up the posterior tibial tendon in order to make if surgery is undertaken it better able to support your arch. You’ll probably have to wear a cast for a several weeks, and a brace for some months after is important that, but with patience, you may be able to say goodbye to your symptomsit address the underlying source of the patients pain.