Morton's neuroma

Background

Morton's neuroma anatomy
  • AKA interdigital neuralgia
  • Morton's neuroma describes benign enlargement of perineurium (neuroma) along the sensory nerves of the toes.

Clinical Features

Dorsal Morton's neuroma
  • Pain, often nonspecific, burning, or lancinating, around metatarsal heads or toes
  • Usually unilateral
  • Worse with narrow/closed toe shoes
  • May have foreign body sensation like a pebble in their shoe
  • Tenderness to palpation on plantar aspect of interdigital space with reproduction of burning pain
    • Squeezing interdigital space may produce notable click

Differential Diagnosis

Foot diagnoses

Acute

Subacute/Chronic

Evaluation

  • Clinical diagnosis


Management

  • Outpatient management may include corrective footwear, local steroid/anesthetic injection, surgical excision

Disposition

  • Discharge

See Also

External Links

References

https://www.merckmanuals.com/professional/musculoskeletal-and-connective-tissue-disorders/foot-and-ankle-disorders/interdigital-neuralgia