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Table 1 Primary diagnostic criteria

From: Hereditary sensory neuropathy type I

Main features

Prominent/predominant distal sensory loss

Repeated foot ulcerations/acromutilations

Osteonecrosis

Additional criteria

Variable distal motor involvement

Foot deformity

Autonomic disturbances

Skin changes (hyperkeratosis, blisters, onychomycosis, etc.)

Autosomal dominant inheritance