Capillary malformation, venous malformation and limb overgrowth.
- Specialty
- Cardiology
- Subspecialty
- Cardiology / Vascular medicine
- Sex & age distribution
- Male: affected; Female: affected equally; Children: yes, birth
- Gene(s) involved
- PIK3CA
- Alternative names & eponyms
- KTS
Etiology & mechanism
Somatic PIK3CA activating mosaic variants.
Gene(s) involved (1)
Symptoms & signs (6)
In plain terms, someone with Klippel–Trénaunay syndrome may experience the following — click any to explore related syndromes:
Same gene(s)
Other syndromes that involve one of this syndrome's genes.
Overlapping symptoms
Other syndromes that share symptoms with this one.
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Shares symptoms with
2 shared
Klippel–Trénaunay syndrome with neurological involvement
limb overgrowth, varicose veins
2 shared
May–Thurner syndrome
varicose veins, venous insufficiency
1 shared
Disseminated intravascular coagulation syndrome
thrombosis
1 shared
Glucagonoma syndrome
thrombosis
1 shared
Hypereosinophilic syndrome
thrombosis
1 shared
Lymphedema–distichiasis syndrome
varicose veins
1 shared
Parkes Weber syndrome
limb overgrowth
1 shared
Proteus syndrome
thrombosis
1 shared
Sturge–Weber syndrome
port-wine stain
1 shared
Vascular Ehlers–Danlos syndrome
varicose veins
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