Morton's Neuroma

Original Editor - Venugopal Pawar

Lead Editors  

Clinically Relevant Anatomy

Morton's neuroma (also known as Morton neuroma, Morton's metatarsalgia, Intermetatarsal neuroma and Intermetatarsal space neuroma.[1]) is a benign neuroma of an intermetatarsal plantar nerve, most commonly of the second and third intermetatarsal spaces (between 2nd−3rd and 3rd−4th metatarsal heads), which results in the entrapment of the affected nerve. The main symptoms are pain and/or numbness, sometimes relieved by removing footwear.

Mechanism of Injury / Pathological Process

Some sources claim that entrapment of the plantar nerve because of compression between the metatarsal heads, as originally proposed by Morton, is highly unlikely, because the plantar nerve is on the plantar side of the transverse metatarsal ligament and thus does not come in contact with the metatarsal heads. It is more likely that the transverse metatarsal ligament is the cause of the entrapment.[2][3]

Clinical Presentation

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Diagnostic Procedures

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Outcome Measures

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Management / Interventions

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Differential Diagnosis

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Key Evidence

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Resources

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