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Morton's Neuroma
Aka: Morton's Neuroma, Interdigital Neuroma, Morton's Metatarsalgia
- Definition
- Perineural fibrosis of plantar nerve
- Affects medial and lateral plantar branch communication
- Mechanism
- Repetitive Trauma
- Secondary Fibrosis
- Painful fusiform swelling of nerve
- Epidemiology
- Women more often affected than Men
- Symptoms
- Severe burning pain at third web space
- Numbness in affected toes
- Radiation of pain into third and fourth toes
- Provocative
- Worse with activity
- Aggravated by tight shoes
- Palliative
- Relieved by removing shoe
- Relieved by massaging foot
- Differential Diagnosis
- Plantar Fasciitis (if affecting tibial nerve in proximal foot)
- Management: Conservative therapy
- Often does not provide relief
- Pad to separate third and fourth Metatarsals heads
- Avoid tight fitting shoes
- Morton's Neuroma Injection
- Management: Surgical Excision of Neuroma
- Failed conservative management