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Bunion (Hallux Valgus)

A bunion is more than a cosmetic bump—it is a progressive three-dimensional deformity of the first metatarsophalangeal (MTP) joint. As the long-bone drifts inward and the big toe drifts outward, shoe conflict, joint degeneration, and transfer pain under the lesser metatarsals follow. Our board-certified podiatrists provide precise radiographic assessment and a spectrum of evidence-based solutions—from shoe-gear optimization to minimally invasive Lapidus fusion—so you can walk, run, and wear the shoes you love without pain.

Deformity Mechanics & Risk Factors

Structural Drivers Lifestyle Contributors Systemic / Hereditary
Metatarsus primus varus (1st metatarsal drifts medially) Frequent high-heel or narrow-toe-box wear Family history of hallux valgus
Medial capsule & ligaments attenuation Occupations requiring prolonged standing Generalised ligamentous laxity
Pronated hind-foot or flatfoot raising medial column load Repetitive pointe/demi-pointe dancing Inflammatory arthropathies (RA, psoriasis)

Torque across the first TMT joint and failure of the medial supporting structures allow the metatarsal to swing inward; the unchanged pull of extensor/flexor tendons then abducts the toe.

Clinical Presentation

  • Medial eminence pain that rubs in standard footwear
  • Big-toe deviation toward the 2nd toe (hallux valgus angle > 15°)
  • Secondary hammer / crossover toe in late stages
  • Hard or red bursal swelling over the bump
  • Reduced MTP dorsiflexion; aching after long walks
  • Transfer metatarsalgia under the 2nd/3rd metatarsal heads

Diagnostic Work-Up

  • Weight-bearing AP & lateral foot X-rays – measure intermetatarsal (IM) and hallux valgus (HVA) angles; assess sesamoid displacement.
  • Exact measure guides procedure choice (e.g., IM > 13° → Lapidus or Lateral-column lengthening).
  • Ultrasound if bursitis suspected; DEXA in osteopenic patients pre-fusion.

Evidence-Based Management

Non-Operative (first-line) Corrective Osteotomies First-Metatarsal Fusions
Wide toe-box, seamless upper shoes Chevron (Austin) osteotomy for mild IM ≤ 13° Lapidus fusion (1st TMT) for IM > 15°, hypermobility
Custom orthotics to off-load medial column Scarf or Ludloff osteotomy for moderate deformity MIS Lapidus (percutaneous) for faster recovery
Toe-spacer night splint to slow progression Akin phalangeal osteotomy adjunct for hallux valgus interphalangeus MTP fusion for end-stage arthritis or neuropathic foot
NSAIDs / bursal corticosteroid for flare Percutaneous/MIS bunionectomy (Key-hole) for select patients —

Prospective cohorts show 85 – 90 % patient satisfaction and < 5 ° recurrence with modern Lapidus fusion techniques at 5 years.

Treatment Philosophy

  • Severity-matched surgery – procedure choice is driven by IM/HVA angles, sesamoid position, and 1st-ray hyper­mobility, not one-size-fits-all.
  • Minimally invasive where appropriate – MIS chevron/atrial screws reduce soft-tissue trauma and speed shoe-return for mild–moderate cases.
  • Function plus aesthetics – correction aims at pain-free push-off and straight cosmetic line.
  • Recurrence prevention – we address hind-foot pronation or shoe-wear habits that overload the medial column.

Frequently Asked Questions

Pads cushion the bump but cannot reverse bone alignment. They are helpful for symptom relief in mild cases or while you plan definitive correction.

MIS chevron: protected weight-bearing in a surgical sandal immediately. Lapidus: typically 2 weeks non-weight-bearing, then boot with progressive loading at 4–6 weeks.

Modern angle-driven procedures have < 10 % recurrence. Inadequate IM correction and persistent pronation are the main risk factors—both are addressed in our planning.

Step Into Comfortable, Stylish Shoes Again

If bunion pain or shoe limitations are affecting your life, schedule a consultation with North Texas Podiatry Associates. We’ll measure, model, and craft a personalized correction plan—whether that’s smarter footwear or state-of-the-art Lapidus fusion.

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