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Syndrome reference sheet
Generated 12 Oct 2026
Nephrology · Nephrology / Thrombotic microangiopathies

Atypical hemolytic uremic syndrome

Also known as: aHUS

Complement-mediated thrombotic microangiopathy not caused by Shiga toxin.

Medical specialty
Nephrology
Subspecialty
Nephrology / Thrombotic microangiopathies
Sex & age distribution
Male: affected; Female: affected; Children: yes
Gene(s) involved
C3, CD46, CFB, CFH, CFI, DGKE, PLG, THBD

Etiology & mechanism

Uncontrolled alternative complement pathway activation.

Gene(s) involved (8)

C3CD46CFBCFHCFIDGKEPLGTHBD

Symptoms & signs (6)

acute kidney injuryanemiafatiguehypertensionneurologic involvementthrombocytopenia
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.