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Syndrome reference sheet
Generated 13 Oct 2026
Rheumatology · Rheumatology / Neuroimmunology

Stiff person syndrome

Also known as: Moersch–Woltman syndrome

Autoimmune stiffness and spasms.

Medical specialty
Rheumatology
Subspecialty
Rheumatology / Neuroimmunology
Sex & age distribution
Male: affected; Female: affected, 2:1; Children: rare
Gene(s) involved
HLA-DQB1*0201

Etiology & mechanism

Anti-GAD65 and anti-amphiphysin antibodies.

Gene(s) involved (1)

HLA-DQB1*0201

Symptoms & signs (5)

anxietyaxial stiffnesshyperlordosispainful spasmsstartle-induced spasms
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.