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Condition

Accessory Navicular Bone

Condition 101

What is the definition of Accessory Navicular Bone?

An accessory navicular bone is an extra bone or piece of cartilage located in the middle of the foot near the navicular bone, the bone that goes across the foot near the instep. It is present from birth (congenital) and is a common trait. The reported incidence differs among population ...

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What are the alternative names for Accessory Navicular Bone?

  • Accesory navicular syndrome

What are the causes for Accessory Navicular Bone?

An accessory navicular bone is typically considered to be a developmental abnormality present from birth (congenital). Research involving large studies of families of individuals with accessory navicular bone suggests a genetic influence with possible autosomal dominant inheritance. The exact cause of accessory navicular bone is unknown; however, it may be related to an incomplete joining (fusion) of bones and connective tissue during development and/or an abnormal separation of affected bones and connective tissue.

What are the symptoms for Accessory Navicular Bone?

While some individuals with an accessory navicular bone never experience symptoms, others can develop a painful condition, sometimes referred to as accessory navicular syndrome. This occurs when the bone and/or connective tissue are aggravated. This can be caused by injury to the affected region, chronic irritation from from shoes or other sources, and excessive activity or overuse. Symptoms of accessory navicular syndrome usually occur around adolesence and may include development of a painful, red or swollen bump on the midfoot (inner side of the foot above the arch).

What are the current treatments for Accessory Navicular Bone?

If the accessory navicular bone is causing symptoms, activities may be restricted and a softer shoe may be recommended until the symptoms go away. If the symptoms persist, a specially and carefully made shoe support may be tried. For people with accessory navicular bone who experience severe symptoms, surgery may be considered to remove the bony growth. Other treatments may include medications such as nonsteroidal anti-inflammatories (NSAIDs), immobilizing the area with a cast or boot, and physical therapy.

Latest Research

Latest Advance
Study
  • Condition: type II painful accessory navicular
  • Journal: Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery
  • Treatment Used: modified internal fixation and fusion
  • Number of Patients: 29
  • Published —
The purpose of the study was to explore the effectiveness of modified internal fixation and fusion in treatment of type II painful accessory navicular in adults.
Latest Advance
Study
  • Condition: Surgical Heel Ulcers
  • Journal: The Journal of foot and ankle surgery : official publication of the American College of Foot and Ankle Surgeons
  • Treatment Used: The Vertical Contour Calcanectomy
  • Number of Patients: 14
  • Published —
The study researched using the vertical contour calcanectomy (salvage of the foot) for surgical heel ulcers.
Latest Advance
Study
  • Condition: Charcot Foot
  • Journal: The international journal of lower extremity wounds
  • Treatment Used: Lateral Column Exostectomy
  • Number of Patients: 12
  • Published —
This study tested the safety and efficacy of using lateral column exostectomy to treat patients with Charcot foot.
Latest Advance
Study
  • Condition: Calcaneodynia, Achillodynia, Painful Gonarthrosis, Bursitis Trochanterica, and Painful Shoulder Syndrome
  • Journal: Radiation oncology (London, England)
  • Treatment Used: Radiotherapy
  • Number of Patients: 703
  • Published —
In this study, researchers evaluated the effects of radiotherapy on the symptoms of calcaneodynia, achillodynia, painful gonarthrosis, bursitis trochanterica, and painful shoulder syndrome.

Clinical Trials

There are no recent clinical trials available for this condition. Please check back because new trials are being conducted frequently.