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Metatarsalgia M77.40 726.70

 
ICD-9 Classification / Treatment
Etiology / Natural History Associated Injuries / Differential Diagnosis
Anatomy Complications
Clinical Evaluation Follow-up Care
Xray / Diagnositc Tests Review References

synonyms:metatarsalgia

Metatarsalgia ICD-10

  • M77.40: Metatarsalgia, unspecified foot
  • M77.41: Metatarsalgia, right foot
  • M77.42: Metatarsalgia, left foot

Metatarsalgia ICD-9

  • 726.70

Metatarsalgia Etiology / Epidemiology / Natural History

  •  Metatarsalgia = nonspecific term for pain in the lesser metatarsalphalangeal joints.

Metatarsalgia Anatomy

  • The extensor digitorum longus and brevis are generally innervated by the deep peroneal nerve.
  • Plantar plate consists of the plantar aponeurosis and the plantar capsule.
  • Plantar fat pad: a protective fatty cushion beneath the metatarsal heads; normally connected to the bases of the phalanges.

Metatarsalgia Clinical Evaluation

  •  Anterior drawer test: hold the metatarsal head between the index finger and thumb; grasp the base of the proximal phalanx with the other hand and apply a dorsally directed force. Dorsal displacement and pain indicate metatarsophalangeal joint instability or MTP synovitis.

Metatarsalgia Xray / Diagnositc Tests

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Metatarsalgia Classification / Treatment

  • Initially treatment = pre-made flexible orthosis with metatarsal pad or custom-made orthosis
  • Secondary treatment = rocker bottom soled shoe

Metatarsalgia Associated Injuries / Differential Diagnosis

  • Claw toe
  • Monoarticular nontraumatic synovitis
  • Morton's Neuroma
  • Metatarsophalangeal joint instability
  • Plantar Keratosis
  • Frieberg's Infraction
  • Cock-up fifth toe

Metatarsalgia Complications

Metatarsalgia Follow-up Care

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Metatarsalgia Review References

 

 

 

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