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1 OMIM reference -
2 associated genes
46 signs/symptoms
PROTEIN INTERACTIONS: 1
1 OMIM reference -
1 associated gene
7 signs/symptoms
Costello syndrome
Hereditary cerebral hemorrhage with amyloidosis, Italian type

HRAS APP
KRAS


INTERACTOME
ASSOCIATIONS

(click on a score value to see the evidence)
KRAS
(0.56)
APP



Citations in the biomedical literature:


Costello syndrome
HRAS KRAS
Hereditary cerebral hemorrhage with amyloidosis, Italian type
APP



Costello syndrome
Hereditary cerebral hemorrhage with amyloidosis, Italian type

Synonym(s):
- FCS syndrome
- Faciocutaneoskeletal syndrome
- Intellectual deficit - nasal papillomata

Synonym(s):
- HCHWA, Italian type

Classification (Orphanet):
- Rare cardiac disease
- Rare developmental defect during embryogenesis
- Rare genetic disease
- Rare neurologic disease
- Rare oncologic disease
- Rare skin disease
Classification (Orphanet):
- Rare genetic disease
- Rare neurologic disease
- Rare systemic or rheumatologic disease

Classification (ICD10):
- Congenital malformations, deformations and chromosomal abnormalities -
Classification (ICD10):
(no data available)

Epidemiological data:
Class of prevalence: unknown
Average age onset: neonatal/infancy
Average age of death: -
Type of inheritance: autosomal dominant
Epidemiological data:
(no data available)

External references:
1 OMIM reference -
1 MeSH reference: D056685
External references:
1 OMIM reference -
No MeSH references

Costello syndrome
Hereditary cerebral hemorrhage with amyloidosis, Italian type

Very frequent
- Acanthosis nigricans
- Anomalies of skin, subcutaneous tissue and mucosae
- Antenatal exposure : alcohol
- Delayed bone age
- Depressed nasal bridge
- Enamel anomaly
- Failure to thrive / difficulties for feeding in infancy / growth delay
- High vaulted / narrow palate
- Hyperkeratosis / ainhum / hyperkeratotic skin fissures
- Loose skin / skin relaxation / excess skin / creases
- Macrocephaly / macrocrania / megalocephaly / megacephaly
- Pulmonary valve atresia / stenosis / narrowing
- Short neck
- Short stature / dwarfism / nanism
- Thin / hypoplastic / hyperconvex fingernails
- Tight skin / lack of elasticity
- Ventricular septal defect / interventricular communication
- Woolly / frizzy hair

Frequent
- Abnormal dentition / dental position / implantation / unerupted / dental ankylosis
- Abnormal dermatoglyphics
- Broad cheeks / cherub-like / cherubin face
- Cardiomyopathy / hypertrophic / dilated
- Cortical atrophy without hydrocephaly / cerebral hemiatrophy / subcortical atrophy
- Epicanthic folds
- Excess nuchal skin without pterygium colli
- Gastroesophageal reflux / pyrosis / esophagitis / hiatal hernia / gastroparesia
- Hyperextensible joints / articular hyperlaxity
- Intellectual deficit / mental / psychomotor retardation / learning disability
- Keratoconus / keratoglobus
- Macroglossia / tongue protrusion / proeminent / hypertrophic
- Mitral valve prolapse / incompetence / insufficiency / regurgitation / ring anomaly
- Polyhydramnios
- Strabismus / squint
- Tendon rupture / tendinitis / bursitis / tenosynovitis
- Thick lips
- Thin / hypoplastic toenails
- Ulnar deviation of fingers
- Undescended / ectopic testes / cryptorchidia / unfixed testes
- Warts / papillomas

Occasional
- Coarse face
- Diffuse / generalised skin hyperpigmentation / melanoderma
- Feeding disorder / dysphagia / swallowing / sucking disorder / esophageal dyskinesia
- Hair and scalp anomalies
- Large face
- Low set ears / posteriorly rotated ears
- Thick / wide ear lobe


Very frequent
- Autosomal dominant inheritance
- Facial pain / cephalalgia / migraine
- Intracranial / cerebral / meningeal hemorrhage
- Transient cerebral ischemia / stroke

Frequent
- Obnubilation / coma / lethargia / desorientation
- Psychic / psychomotor regression / dementia / intellectual decline
- Seizures / epilepsy / absences / spasms / status epilepticus