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Syndrome reference sheet
Generated 13 Oct 2026
Dermatology · Dermatology / Vascular anomalies Proteus syndrome
Also known as: Wiedemann syndrome
Mosaic progressive asymmetric overgrowth.
- Medical specialty
- Dermatology
- Subspecialty
- Dermatology / Vascular anomalies
- Sex & age distribution
- Male: affected; Female: affected, slight male predominance; Children: yes, onset in first 2 years
- Gene(s) involved
- AKT1
Etiology & mechanism
Somatic AKT1 activating mutation.
Gene(s) involved (1)
AKT1
Symptoms & signs (7)
asymmetric overgrowthcerebriform connective tissue nevusepidermal nevilipomasscoliosisthrombosisvascular malformations