Quick answer: Accessory Navicular Michigan is a common foot/ankle topic that affects many patients. Effective treatment starts with a targeted diagnosis, conservative-first treatment, and escalation only when needed. We treat this regularly at our Howell and Bloomfield Hills practices. Call (810) 206-1402.
Medically reviewed by Dr. Tom Biernacki, DPM · Board-Certified Podiatric Surgeon · Last reviewed: April 2026 · Editorial Policy
The most important clinical decision with Accessory Navicular Michigan isn’t which treatment to start with — it’s identifying the correct subtype. That changes everything. Call (810) 206-1402.
Related Conditions
Quick Answer
Accessory Navicular Treatment Michigan Inner Foot Bump Pain relates to foot pain — typically caused by overuse, footwear, or biomechanics. Most patients improve in 6-12 weeks with conservative care. Same-week appointments in Howell + Bloomfield Hills: (810) 206-1402.
Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.
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Accessory Navicular Treatment Michigan
An accessory navicular is an extra bone (ossicle) located on the medial (inner) side of the foot, adjacent to the navicular bone near the arch. Present in approximately 10–14% of the population, it is usually asymptomatic — but in some individuals, the accessory bone becomes painful from direct pressure against shoes, or from the attachment of the posterior tibial tendon to the accessory rather than the main navicular bone. Dr. Tom Biernacki DPM at Balance Foot & Ankle treats accessory navicular pain in Michigan at our Howell, Brighton, and Bloomfield Hills locations.
Types of Accessory Navicular
- Type I: Small sesamoid bone within the posterior tibial tendon; rarely symptomatic
- Type II: Larger accessory ossicle connected to the navicular by a fibrocartilaginous synchondrosis; most commonly symptomatic. The posterior tibial tendon inserts partially on the accessory bone rather than the main navicular, reducing tendon pull efficiency.
- Type III: The accessory bone has fused with the main navicular, forming a “cornuate navicular” — a prominently enlarged navicular tuberosity.
Symptoms
- Prominent, palpable bony bump on the inner side of the arch
- Pain and tenderness over the navicular prominence
- Redness and callus formation from shoe irritation
- Arch pain and fatigue — especially in flatfoot
- Symptoms often begin in adolescence with increased activity
Treatment
Conservative treatment: Immobilization in a CAM boot for 4–6 weeks reduces acute inflammation at the synchondrosis. Custom orthotics provide medial arch support and offload the prominence. Wide medial footwear relief in the shoe prevents direct pressure. Ice and anti-inflammatory medications manage flares.
Surgical treatment (Kidner procedure) is offered for symptomatic Type II accessory navicular that has failed 3–6 months of conservative care. Dr. Biernacki excises the accessory bone through a medial arch incision and advances the posterior tibial tendon to its anatomic insertion on the main navicular, restoring tendon mechanics and arch support. Recovery: non-weight-bearing × 4 weeks, boot × 4 weeks, return to full activity at 3–4 months. Patient satisfaction exceeds 85%.
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When to See a Podiatrist
If foot or ankle pain has been bothering you for more than a few weeks, home care alone may not be enough. Balance Foot & Ankle offers same-week appointments at our Howell and Bloomfield Hills clinics — no referral needed in most cases. Bring your current shoes and a short list of symptoms and we’ll build you a treatment plan in one visit.
Call Balance Foot & Ankle: (810) 206-1402 · Book online · Offices in Howell & Bloomfield Hills
Frequently Asked Questions
Does an accessory navicular cause flat feet?
Type II accessory navicular can contribute to flatfoot because the posterior tibial tendon inserts partially on the accessory bone rather than its normal attachment, reducing arch support. The Kidner procedure restores anatomic tendon attachment and can improve arch height.
How do I know if I have an accessory navicular?
A bony prominence on the inner side of the arch that is tender to direct palpation is characteristic. Weight-bearing X-rays confirm the diagnosis, showing the accessory ossicle adjacent to the navicular. Dr. Biernacki can diagnose this at your first visit.
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Our board-certified podiatrists treat this condition at two convenient locations. Same-day appointments often available.
Medically Reviewed by: Dr. Tom Biernacki, DPM — Board-Certified Podiatrist, Balance Foot & Ankle Specialists
Insurance Accepted
BCBS · Medicare · Aetna · Cigna · United Healthcare · HAP · Priority Health · Humana · View All →
Howell Office
4330 E Grand River Ave
Howell, MI 48843
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Bloomfield Hills Office
43494 Woodward Ave, #208
Bloomfield Township, MI 48302
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Your Board-Certified Podiatrists
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Same-week appointments available at both locations.
Book Your AppointmentPros & Cons of Conservative Care for foot care
Advantages
- ✓ Conservative care first
- ✓ Same-week appointments
- ✓ Multiple insurance accepted
Considerations
- ✗ Self-treatment can mask issues
- ✗ See a podiatrist if pain >2 weeks
Dr. Tom’s Recommended Products for foot care
Affiliate disclosure: As an Amazon Associate, Balance Foot & Ankle earns from qualifying purchases. We only recommend products we use with patients.
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Same-day appointments in Howell + Bloomfield Hills. Most insurance accepted. Dr. Tom Biernacki, DPM & team.
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About Your Care Team at Balance Foot & Ankle
Dr. Tom Biernacki, DPM · Board-Certified Foot & Ankle Surgeon. Specializes in conservative-first care, minimally invasive bunion surgery, and complex reconstruction.
Dr. Carl Jay, DPM · Accepting new patients. Specializes in sports medicine, athletic injuries, and routine podiatric care.
Dr. Daria Gutkin, DPM, AACFAS · Accepting new patients. Specializes in surgical reconstruction and pediatric podiatry.
Locations: 4330 E Grand River Ave, Howell, MI 48843 · 43494 Woodward Ave Suite 208, Bloomfield Township, MI 48302
Hours: Mon–Fri 8:00 AM – 5:00 PM · (810) 206-1402
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Dr. Tom Biernacki, DPM is a board-certified podiatrist + Amazon Associate. Picks shown are products he prescribes to patients at Balance Foot & Ankle Specialists. We earn a commission on qualifying purchases at no extra cost to you. All products independently tested + reviewed for 30+ days minimum. Last verified: April 28, 2026.
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Visit Balance Foot & Ankle — Same-Day Appointments Available
Our podiatry team serves patients throughout Michigan including Howell, Brighton, and Bloomfield Hills. If you’re dealing with heel pain, ingrown toenails, or a foot injury, we have same-day appointment availability.
Same-day appointments available. (810) 206-1402
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