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Syndrome reference sheet
Generated 13 Oct 2026
Dermatology · Dermatology / Vasculopathies

Sneddon syndrome

Also known as: Livedo reticularis with cerebrovascular accidents

Generalized livedo racemosa with ischemic stroke.

Medical specialty
Dermatology
Subspecialty
Dermatology / Vasculopathies
Sex & age distribution
Male: affected; Female: affected, female predominance; Children: rare
Gene(s) involved
CECR1

Etiology & mechanism

Noninflammatory arteriopathy; ADA2 deficiency in some cases.

Gene(s) involved (1)

CECR1

Symptoms & signs (6)

cognitive declineheadachehypertensionlivedo racemosastroketransient ischemic attack
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.