Surgical Pathology Criteria

Localized Interdigital Neuritis / Morton Neuroma

Differential Diagnosis

Neurofibroma Localized Interdigial Neuritis (Morton Neuroma)
Can occur anywhwere Occurs in plantar and palmar digital nerves
Proliferative lesion Degenerative lesion
Contains bundles of collagen Epineurial and perivascular fibrosis

Traumatic Neuroma Localized Interdigial Neuritis (Morton Neuroma)
Can occur anywhwere Occurs in plantar and palmar digital nerves
History of trauma or surgery No history of prior trauma or surgery
Disorganized, microfascicular architecture Nerve is intact
Haphazardly arranged axons Axons decreased in number

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