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Syndrome reference sheet
Generated 13 Oct 2026
Neurology · Neurology / Neuromuscular

Facial-onset sensory and motor neuronopathy

Also known as: FOSMN; Vucic–Kiernan syndrome

Sporadic neuronopathy starting on the face.

Medical specialty
Neurology
Subspecialty
Neurology / Neuromuscular
Sex & age distribution
Male: affected, slight male predominance; Female: affected; Children: no, adult onset
Gene(s) involved
None recorded

Etiology & mechanism

TDP-43 pathology.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (5)

bulbar weaknessdysphagiafacial paresthesiaslimb weaknesstrigeminal sensory loss
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.