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Syndrome reference sheet
Generated 12 Oct 2026
Orthopedics · Orthopedics / Skeletal dysplasia

Larsen syndrome

Also known as: Multiple congenital dislocations

Multiple joint dislocations with flat face.

Medical specialty
Orthopedics
Subspecialty
Orthopedics / Skeletal dysplasia
Sex & age distribution
Male: affected; Female: affected, equal; Children: yes, congenital
Gene(s) involved
B3GAT3, CHST3, FLNB

Etiology & mechanism

Filamin B dysfunction.

Gene(s) involved (3)

B3GAT3CHST3FLNB

Symptoms & signs (5)

cleft palateclubfootflat faciesmultiple joint dislocationsspatulate thumbs
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.