Sesamoidectomy: Indications, Surgical Technique, and Hallux Valgus Risk

MICHIGAN PODIATRIST INSIGHT

The most important clinical decision with Sesamoidectomy Indications Technique Hallux Valgus Risk isn't which treatment to start with — it's which subtype or underlying cause you actually have. Our podiatrists regularly see patients who've been treated for months for the wrong diagnosis. The correct identification changes the entire treatment path. Call (810) 206-1402 — Dr. Tom evaluates this condition at both Howell and Bloomfield Township locations.

Sesamoidectomy is sometimes necessary for chronic sesamoiditis or fracture nonunion — but removing both sesamoids has high hallux valgus risk. The right surgical technique preserves big-toe alignment.

You’re in the right place. Dr. Tom Biernacki, DPM, FACFAS — board-certified foot & ankle surgeon with 3,000+ surgeries — explains exactly what sesamoidectomy means and what works. Call (810) 206-1402 to book at Howell or Bloomfield Township.

Quick answer: A sesamoidectomy is the surgical removal of a sesamoid bone under the big toe — done for chronic sesamoiditis, fracture nonunion, or AVN. Indications: failure of 6+ months of conservative care, persistent pain. Recovery: 6-8 weeks in a stiff-soled shoe + boot. Risks include weakness in big toe push-off + altered gait. Try aggressive offloading first (carbon plate + rigid orthotic). — Dr. Tom Biernacki, DPM, board-certified podiatrist (Michigan Foot Doctors).

Dr. Tom Biernacki, DPM — MichiganFootDoctors.com
Sesamoiditis offloading — carbon plate + dancer's pad
Sesamoiditis offloading — carbon plate + dancer’s pad
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Watch: BEST Sesamoiditis Treatment [Sesamoid Bone Pain & Fracture FIX] — MichiganFootDoctors YouTube

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★ DR. TOM BIERNACKI, DPM, FACFAS · BOARD-CERTIFIED PODIATRIST

Sesamoidectomy: Quick Answer

A sesamoidectomy is the surgical removal of one of the two sesamoid bones beneath the first metatarsal head — small pea-sized bones that act as fulcrums for the flexor hallucis brevis tendon during big-toe push-off. Surgery is reserved for sesamoiditis, sesamoid stress fractures, or chondromalacia that has failed 6+ months of conservative treatment (orthotics with sesamoid relief, immobilization, anti-inflammatories).

Critical surgical decision: remove the tibial (medial) sesamoid? — lower hallux valgus (bunion) risk. Remove the fibular (lateral) sesamoid? — some increased valgus risk. NEVER remove BOTH — that causes severe hallux varus deformity and dysfunctional push-off. Recovery: 4-6 weeks non-weight-bearing in a boot, then 4-6 weeks progressive weight-bearing. Return to running 12-16 weeks. Most patients regain 80-90% of pre-surgery function.

Medically reviewed by Dr. Tom Biernacki, DPM · Board-Certified Podiatric Surgeon · Last reviewed: April 2026 · Editorial Policy

Quick Answer

Sesamoidectomy: Indications, Surgical Technique, and Hallux relates to foot pain — typically caused by overuse, footwear, or biomechanics. Most patients improve in 6-12 weeks with conservative care. Appointments in Howell + Bloomfield Township: (810) 206-1402.

Video by Dr. Tom Biernacki, DPM — Michigan Foot Doctors
Watch: Dr. Tom Biernacki explains the topic in detail · Subscribe to Michigan Foot Doctors on YouTube

Medically reviewed by Dr. Tom Biernacki, DPM — Board-certified foot & ankle surgeon, 3,000+ surgeries performed. Updated April 2026 with current clinical evidence. This article reflects real practice experience from Balance Foot & Ankle Specialists in Howell and Bloomfield Township, Michigan.

Quick Answer

A bunion is a bony prominence at the base of the big toe caused by the first metatarsal shifting outward. It cannot reverse without surgery. It can be managed with wide toe-box shoes, bunion pads, and custom orthotics that slow progression and reduce pain.

Watch: Dr. Tom Biernacki, DPM

Medically Reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatrist, Balance Foot & Ankle Specialists, Michigan. Last updated April 2026.

Sesamoidectomy — surgical removal of one or both hallux sesamoid bones — is a procedure performed for a narrow set of specific indications when conservative management has failed. The sesamoid bones are integral components of the first metatarsophalangeal joint biomechanics, serving as load-bearing pulleys for the flexor hallucis brevis — and their removal has consequences that must be understood and disclosed to patients before proceeding.

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Indications for Sesamoidectomy

Appropriate indications include: sesamoid osteomyelitis (infection) in the diabetic patient where the bone serves as a reservoir for chronic infection — often the only option for infection clearance; avascular necrosis (AVN) of the sesamoid with complete structural collapse and failed conservative management including orthotics and offloading over 6–12 months; sesamoid fracture non-union with persistent disabling pain after 12+ months of conservative treatment; and intractable plantar keratosis (IPK) beneath a plantarflexed first metatarsal with sesamoid prominence that has failed all orthotic and padding interventions. Tibial sesamoidectomy (medial) is far more common than fibular (lateral) sesamoidectomy — the tibial sesamoid bears the majority of load during push-off and is proportionally more often symptomatic.

Surgical Technique and Hallux Valgus Risk

Tibial sesamoidectomy is performed through a plantar medial incision — the sesamoid is dissected from the FHB medial head and plantar plate with careful preservation of the surrounding soft tissue capsule. The critical technical principle is preservation of the fibular sesamoid and careful repair of the FHB medial head to the plantar plate after sesamoid removal to prevent the development of hallux valgus. Loss of the tibial sesamoid’s medial stabilizing force on the MTP joint — if the soft tissue repair is inadequate — produces progressive hallux valgus angulation from the unopposed pull of the lateral capsular structures. Published series report hallux valgus development in 5–15% of tibial sesamoidectomy patients at 2-year follow-up, underscoring why we careful capsular repair and post-operative hallux alignment splinting. Dr. Biernacki at Balance Foot & Ankle evaluates sesamoid pathology with X-ray, MRI, and bone scan when indicated. Call (810) 206-1402 at our Bloomfield Township or Howell office.

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When to See a Podiatrist

Many foot conditions can be managed conservatively at home, but some require professional evaluation. See a podiatrist promptly if you experience:

  • Pain that persists for more than 2 weeks despite rest
  • Swelling, redness, or warmth that isn’t improving
  • Numbness, tingling, or burning in the feet
  • A wound or sore that is not healing within 2 weeks
  • Any foot concern if you have diabetes or poor circulation
  • Nail changes that suggest fungal infection or other problems

At Balance Foot & Ankle, our three board-certified podiatrists — Dr. Tom Biernacki, Dr. Carl Jay, and Dr. Daria Gutkin — provide comprehensive foot and ankle care at our Howell and Bloomfield Township offices. Most insurance plans are accepted.

Related Conditions & Resources

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Board-certified podiatrists Dr. Tom Biernacki, Dr. Carl Jay, and Dr. Daria Gutkin see patients daily at our Howell and Bloomfield Township, MI offices.

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In-Office Treatment at Balance Foot & Ankle

If home care isn’t resolving your your foot or ankle concern, a visit with a board-certified podiatrist is the fastest path to accurate diagnosis and a personalized plan. At Balance Foot & Ankle Specialists, Dr. Tom Biernacki, Dr. Carl Jay, and Dr. Daria Gutkin offer appointments at both our Howell and Bloomfield Township offices. We perform on-site diagnostic ultrasound, digital X-ray, conservative care, advanced regenerative treatments, and minimally invasive surgery when indicated.

Call (810) 206-1402 or request an appointment online. Most insurance plans accepted, including Medicare, Blue Cross Blue Shield, Aetna, Cigna, and United Healthcare.

Differential Diagnosis: What Else Could It Be?

Several conditions share symptoms with Bunion (Hallux Valgus) and are commonly misdiagnosed in the first office visit. Considering these alternatives is part of every Balance Foot & Ankle exam:

  • Hallux rigidus. Stiff big-toe joint without lateral deviation — pain with dorsiflexion, not bumping.
  • Gout flare. Sudden warm/red MTP joint, often overnight — needs uric-acid workup.
  • Sesamoiditis. Pain under the big-toe joint rather than at the side, worse with push-off.

If your symptoms don’t fit the textbook pattern, ask your podiatrist which differentials they ruled out — that conversation often shortcuts months of trial-and-error treatment.

In Our Clinic

In our clinic, bunion patients come in at two very different stages. The first group is women in their 30s and 40s noticing a small bump and seeking nonsurgical slowing tactics — wide toe box shoes, bunion splints at night, custom orthotics to redistribute load away from the first MTP. The second group is patients in their 50s+ who can no longer find shoes that fit and are asking, honestly, about surgery. Our standard workup includes weight-bearing X-rays to measure the intermetatarsal angle and the HVA. Patients with an IMA under 13° usually do well conservatively; 13°+ often benefits from a surgical plan.

Most Common Mistake We See

The most common mistake we see is: Expecting splints or toe spacers to reverse the bony deformity. Fix: splints slow progression and reduce pain, but only surgical correction realigns the first metatarsal.

Warning Signs That Need Same-Day Care

Seek immediate evaluation at Balance Foot & Ankle if you experience any of the following:

  • Sudden severe pain with warmth or redness at the joint
  • Open sore or ulceration over the bump
  • Significant loss of big toe motion
  • Rapidly progressive deformity

Call (810) 206-1402 — appointments at our Howell and Bloomfield Township offices.

Watch: Dr. Tom explains

Dr. Tom Biernacki explains

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Senior Bunion Featured Photo 8 - Balance Foot & Ankle

When to See a Podiatrist

A bunion is a progressive joint deformity — padding and splints reduce pain but don’t reverse the bone shift. If the big toe angle is worsening, shoes no longer fit, or pain is disrupting sleep or activity, schedule a consult at Balance Foot & Ankle. Our surgeons perform minimally-invasive bunion correction with faster recovery than traditional osteotomy. We’ll review X-rays with you and explain exactly what the joint needs.

Call Balance Foot & Ankle: (810) 206-1402  ·  Book online  ·  Offices in Howell & Bloomfield Township

Pros & Cons of Conservative Care for foot care

Advantages

  • ✓ Conservative care first
  • ✓ Book online 24/7
  • ✓ Multiple insurance accepted

Considerations

  • ✗ Self-treatment can mask issues
  • ✗ See a podiatrist if pain >2 weeks

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Appointments in Howell + Bloomfield Township. Most insurance accepted. Dr. Tom Biernacki, DPM & team.

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More questions patients ask

What is a bunion?

A bunion (hallux valgus) is a progressive bony deformity where the big toe joint shifts outward, creating a visible bump. It results from an unstable metatarsal bone, not simply tight shoes. Bunions affect approximately 23% of adults and can cause significant pain, difficulty wearing shoes, and secondary problems like hammertoes. Dr. Biernacki specializes in both conservative management and advanced surgical correction including Lapiplasty 3D bunion correction.

Can bunions be corrected without surgery?

While surgery is the only way to permanently correct the structural deformity, non-surgical treatments can effectively manage pain and slow progression. Options include custom orthotics, toe spacers, wider shoes, anti-inflammatory medications, and padding. Dr. Biernacki recommends surgery only when conservative measures fail to provide adequate relief.

What is Lapiplasty bunion surgery?

Lapiplasty is an advanced 3D bunion correction procedure that addresses the root cause of bunions by correcting the unstable metatarsal bone in all three dimensions. Unlike traditional bunionectomy, Lapiplasty patients can bear weight within days and has a recurrence rate under 3% compared to 12-15% for traditional procedures. Dr. Biernacki is a fellowship-trained Lapiplasty surgeon serving SE Michigan.

Still have a question about coverage or cost? Book online and we will check your benefits before your visit: Book in Howell · Book in Bloomfield Township. Prefer to talk it through first? Call (810) 206-1402.

Balance Foot & Ankle surgeons are affiliated with Trinity Health Michigan, Corewell Health, and Henry Ford Health — three of Michigan’s largest health systems.

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