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Cowden syndrome
6 OMIM references -
7 associated genes
54 signs/symptoms
COMMON GENES: 1
PROTEIN INTERACTIONS: 1
COMMON SIGNS: 7
Megalencephaly-capillary malformation-polymicrogyria syndrome
1 OMIM reference -
1 associated gene
36 signs/symptoms
Cowden syndrome
Megalencephaly-capillary malformation-polymicrogyria syndrome

AKT1
(UniProt - OMIM)
 PIK3CA
(UniProt - OMIM)
KLLN
(UniProt - OMIM)
PIK3CA
(UniProt - OMIM)
PTEN
(UniProt - OMIM)
SDHB
(UniProt - OMIM)
SDHC
(UniProt - OMIM)
SDHD
(UniProt - OMIM)

COMMON
GENES 		PIK3CA
INTERACTOME
ASSOCIATIONS
(click on a score value to see the evidence)
AKT1
(0.63)
PIK3CA


Citations in the biomedical literature:


Cowden syndrome
AKT1 KLLN PIK3CA PTEN SDHB SDHC
SDHD
Megalencephaly-capillary malformation-polymicrogyria syndrome



Cowden syndrome
Megalencephaly-capillary malformation-polymicrogyria syndrome

Synonym(s):
- Cowden disease
- Multiple hamartoma syndrome
Synonym(s):
- MCAP
- MCM
- MCMTC
- Macrocephaly - cutis marmorata telangiectatica congenita
- Macrocephaly-capillary malformation syndrome
- Megalencephaly - cutis marmorata telangiectatica congenita
- Megalencephaly-capillary malformation syndrome
Classification (Orphanet):
- Rare developmental defect during embryogenesis
- Rare gastroenterologic disease
- Rare genetic disease
- Rare oncologic disease
- Rare skin disease
Classification (Orphanet):
- Rare circulatory system disease
- Rare developmental defect during embryogenesis
- Rare genetic disease
- Rare oncologic disease
- Rare skin disease
Classification (ICD10):
- Congenital malformations, deformations and chromosomal abnormalities -
Classification (ICD10):
- Congenital malformations, deformations and chromosomal abnormalities -
Epidemiological data:
Class of prevalence: 1-9 / 1 000 000
Average age onset: variable
Average age of death: any age
Type of inheritance: autosomal dominant
Epidemiological data:
Class of prevalence: <1 / 1 000 000
Average age onset: neonatal/infancy
Average age of death: any age
Type of inheritance: sporadic
External references:
6 OMIM references -
1 MeSH reference: D006223
External references:
1 OMIM reference -
No MeSH references
COMMON
SIGNS 		- Autosomal dominant inheritance
- Cerebellum / cerebellar vermis anomaly / agenesis / hypoplasia
- Failure to thrive / difficulties for feeding in infancy / growth delay
- Intellectual deficit / mental / psychomotor retardation / learning disability
- Macrocephaly / macrocrania / megalocephaly / megacephaly
- Macules
- Neoplasms / tumors

Cowden syndrome
Megalencephaly-capillary malformation-polymicrogyria syndrome

Very frequent
- Breast neoplasm / tumor / carcinoma / cancer
- Follicular / conjunctival hamartomas
- Follicular / erythematous / edematous papules / milium
- Goiter
- Hyperkeratosis / ainhum / hyperkeratotic skin fissures
- Palmoplantar hyperkeratosis / keratoderma
- Polyposis of the bowel / colon / intestine
- Skin / cutaneous neoplasm / tumor / carcinoma / cancer (excluding melanoma)
- Warts / papillomas

Frequent
- Adenoma sebaceum
- Cavernous / tuberous hemangioma
- Fissured / scrotal tongue
- Hairy patch
- Macroglossia / tongue protrusion / proeminent / hypertrophic
- Meningioma
- Penis anomalies
- Pigmented naevi / naevus pigmentosus / lentigo
- Subcutaneous nodules / lipomas / tumefaction / swelling
- Telangiectasiae of mucosae
- Thyroid anomalies
- Xanthomas / lipomas

Occasional
- Abnormal / polycystic ovaries
- Autism / autistic disoders
- Bone cyst
- Cafe-au-lait spot
- Cataract / lens opacification
- Central nervous system / peripheral nerves neoplasm / tumor / carcinoma / cancer
- Cranial hypertension
- Gynecomastia / breast / mammary gland enlargement / hyperplasia
- Hearing loss / hypoacusia / deafness
- High vaulted / narrow palate
- Irregular / patchy skin hypopigmentation
- Kidney / renal neoplasm / tumor / carcinoma / cancer
- Kyphosis
- Melanoma
- Myopia
- Pectus excavatum
- Renal / kidney anomalies
- Retinal vascular anomalies / retinal telangiectasia
- Scoliosis
- Seizures / epilepsy / absences / spasms / status epilepticus
- Short hand / brachydactyly
- Short stature / dwarfism / nanism
- T-cell deficiency / cellular immunity deficiency
- Thyroid neoplasm / tumor / carcinoma / cancer
- Uterine / uterus / Fallopian tubes anomalies
- Uterus / uterine / cervix / endometrium neoplasm / tumor / carcinoma / cancer


Very frequent
- Arteriovenous malformations / vascular malformations (excluding port-wine stains)
- Asymmetry of the body / hemiatrophy / hemihyperthrophy
- Capillary hemangioma / nevus / naevus flammeus / port-wine stain
- Facial structural asymmetry / facial hemiatrophy / facial hemihypertrophy
- Macrostomia / big mouth
- Polydactyly of toes
- Syndactyly of fingers / interdigital palm
- Syndactyly of toes
- Telangiectasiae of the skin
- Upper limb polydactyly / hexadactyly
- Visceral angiomatosis (excluding skin)

Frequent
- Broad cheeks / cherub-like / cherubin face
- Cutis marmorata / marbled skin / livedo
- Dilated cerebral ventricles without hydrocephaly
- Frontal bossing / prominent forehead
- High forehead
- Hydrocephaly
- Hyperextensible joints / articular hyperlaxity
- Hypotonia
- Structural anomalies of the nervous system

Occasional
- Agyria / micro / pachy / macrogyria / lissencephaly / gyration / neuronal migration defect
- Anomalies of mouth, lip and philtrum
- Arnold-Chiari anomaly
- Cardiac rhythm disorder / arrhythmia
- Congenital cardiac anomaly / malformation / cardiopathy
- Deepset eyes / enophthalmos
- Depressed nasal bridge
- Optic nerve anomaly / optic atrophy / anomaly of the papilla
- Transient cerebral ischemia / stroke