Dr. Öğr. Üyesi Görkem Kıyak
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Accessory Navicular Bone Treatment in Turkey
An accessory navicular bone is an extra piece of bone or cartilage located on the inner side of the foot above the arch. It is congenital and commonly affects adolescents and active adults who experience localised arch pain, redness, or swelling. Appropriate treatment options depend on a thorough specialist assessment of symptoms and foot biomechanics. Compare hospitals in Turkey that treat Accessory Navicular Bone and get a free review of your medical records.
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About Accessory Navicular Bone
An accessory navicular bone is an extra piece of bone or cartilage located on the inner side of the foot above the arch. It is congenital and commonly affects adolescents and active adults who experience localised arch pain, redness, or swelling. Appropriate treatment options depend on a thorough specialist assessment of symptoms and foot biomechanics.
Specialty: Orthopedics
Best Clinics for Accessory Navicular Bone Treatment in Turkey
Frequently asked questions
The cost of treating Accessory Navicular Bone depends on the diagnosis and the treatment chosen. Doctors first review your medical records — free of charge — and you then receive an itemised quote.
Accessory Navicular Bone is treated by Orthopedics specialists. 2 clinics in Turkey on our platform offer this treatment.
What Is an Accessory Navicular Bone and Typical Symptoms
An accessory navicular bone, or os naviculare accessorium, is a congenital variation where an extra ossicle or piece of cartilage develops on the inner side of the foot, just above the medial arch. Situated adjacent to the navicular tuberosity, this extra bone interacts with the posterior tibial tendon, which supports the arch and stabilises the midfoot during walking.
Clinicians categorise the condition into three anatomical types:
- Type I: A small sesamoid bone (two to three millimetres) embedded inside the posterior tibial tendon, rarely causing pain.
- Type II: A larger triangular ossicle joined to the navicular by a cartilaginous synchondrosis. This type is most commonly symptomatic, as repetitive stress or minor trauma can shear this junction, causing chronic inflammation.
- Type III: A fused, cornuate navicular forming an enlarged bony projection that often causes direct friction against footwear.
Many people remain symptom-free. When symptoms appear—often during adolescent growth spurts or in active adults—they include aching or throbbing pain along the inner arch, redness, local tenderness, and swelling. Flexible flatfoot (pes planus) often coexists, as altered tendon pull affects arch mechanics.
How an Accessory Navicular Bone Is Diagnosed
Accurate diagnosis involves physical examination and imaging. In Turkey, an orthopaedic foot and ankle specialist evaluates your gait, checks for localised tenderness over the navicular tuberosity, and conducts a single-leg heel raise to test posterior tibial tendon function.
Hospitals typically perform the following diagnostic investigations:
- Weight-bearing X-rays: Standing views (anteroposterior, lateral, and oblique) identify the ossicle, determine its anatomical type, and assess overall arch alignment.
- Magnetic resonance imaging (MRI): Detects bone marrow oedema at the synchondrosis, reveals tendon pathology (such as tears or tendinopathy), and excludes stress fractures.
- Ultrasound: Evaluates dynamic tendon movement and identifies fluid collection or bursitis over the bony prominence.
Patients travelling for care can arrange comprehensive check-ups and diagnostics upon arrival. Bring previous weight-bearing radiographs, MRI discs (DICOM files), medical notes, and details of orthotic insoles or past injections.
Treatment Options and When Each Is Used
Treatment depends on symptom severity, anatomical type, and lifestyle demands. Orthopaedic specialists usually trial conservative measures before considering surgical options.
| Option | Typically used when | Things to know |
|---|---|---|
| Conservative Care | First-line treatment for acute pain, early presentations, or mild symptoms | Involves walking boots, custom arch supports, activity modification, and physical therapy to calm inflammation. |
| Simple Excision | Symptomatic Type II or prominent Type III ossicles with healthy tendon insertion | The extra bone is excised and the bony ridge smoothed down without detaching the posterior tibial tendon. |
| Kidner Procedure | Chronic symptoms with synchondrosis disruption, tendon degeneration, or flatfoot | Removes the accessory bone, reshapes the navicular, and re-attaches the posterior tibial tendon beneath the navicular to reinforce arch stability. |
| Synchondrosis Fusion | Selected active patients with a large Type II ossicle and healthy tendon tissue | Fuses the ossicle to the main navicular with screws; preserves native tendon anatomy but requires bone union time. |
Surgical intervention is directed by orthopaedics teams. In adolescents, input from paediatrics specialists ensures growth plates are protected. Structured rehabilitation follows any procedure to restore foot strength and walking mechanics.
Planning Your Treatment in Turkey
Travelling for treatment requires structured organisation. Initially, treating teams review your imaging records remotely to confirm whether surgical or non-surgical management is appropriate.
If surgery is agreed upon, consider these planning steps:
- Hospital stay: Most procedures require an overnight hospital stay for pain management and wound monitoring.
- Length of stay in Turkey: Plan to stay seven to ten days. This window covers pre-operative blood tests, the procedure, initial wound checks, and protective boot fitting before clearance to fly.
- Flight considerations: Arrange airport assistance, keep the leg elevated during travel, and follow medical guidance regarding anti-clotting medication or compression stockings.
You will receive discharge documentation and recovery instructions. Ongoing rehabilitation takes place in your home country with your local physiotherapist, supported by remote reviews with your surgical team.
When Travel Is Not Advisable and Warning Signs
Elective medical travel should be delayed if you develop urgent symptoms. Do not travel if you experience:
- Local infection signs: Spreading redness, skin breakdown, heat, or discharge around the midfoot.
- Suspected blood clot: Unexplained calf pain, swelling, warmth, or sudden shortness of breath.
- Acute trauma: Sudden severe foot injury causing inability to bear weight without prior diagnostic evaluation.
- Unstable systemic illness: Poorly controlled diabetes or cardiac disorders that increase surgical risks.
If acute warning signs occur, seek immediate local medical attention instead of travelling abroad.
Frequently asked questions
Yes, many individuals manage an accessory navicular bone successfully through non-surgical measures. Initial treatment typically involves immobilising the foot in a walking boot, custom orthotic insoles to reduce pressure on the medial arch, activity modification, and physiotherapy. Surgery is usually considered only when persistent pain and inflammation continue despite several months of structured conservative care.
A simple excision removes only the extra bone fragment and smooths the prominent edge of the navicular bone. The Kidner procedure is more comprehensive; it removes the accessory bone and detaches, repositions, and re-anchors the posterior tibial tendon into the navicular. This restores mechanical alignment and arch support, which is critical when the tendon is diseased or partially detached.
Recovery varies depending on the surgical technique used. Following a Kidner procedure, patients typically spend four to six weeks non-weight-bearing in a cast or protective boot. Gradual weight-bearing and structured physical rehabilitation begin thereafter. Most patients resume low-impact daily activities within three months, whereas returning to competitive sports or rigorous athletic activities usually takes six to nine months.
Although present from birth, an accessory navicular bone often remains asymptomatic until adolescence. During this growth phase, cartilage begins ossifying into hard bone, and increased body weight combined with higher athletic participation places greater mechanical stress across the synchondrosis. Shoes that rub against the medial prominence or accompanying flatfoot deformities can further irritate the bone and the surrounding tendon.
Excision of the accessory bone alone does not automatically correct a flatfoot deformity. While the Kidner procedure re-tensions the posterior tibial tendon to improve arch dynamics, severe or rigid flatfoot may require concurrent procedures, such as tendon transfers, calcaneal osteotomy, or joint realignment. Your orthopaedic specialist evaluates your overall foot structure before recommending a tailored surgical plan.