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1 OMIM reference -
1 associated gene
25 signs/symptoms
PROTEIN INTERACTIONS: 1
COMMON SIGNS: 1
1 OMIM reference -
1 associated gene
7 signs/symptoms
Knobloch syndrome
Hereditary cerebral hemorrhage with amyloidosis, Italian type

COL18A1 APP


INTERACTOME
ASSOCIATIONS

(click on a score value to see the evidence)
COL18A1
(0.49)
APP



Citations in the biomedical literature:


Knobloch syndrome
COL18A1
Hereditary cerebral hemorrhage with amyloidosis, Italian type
APP



Knobloch syndrome
Hereditary cerebral hemorrhage with amyloidosis, Italian type

Synonym(s):
- Knobloch-Layer syndrome
- Retinal detachment - occipital encephalocele

Synonym(s):
- HCHWA, Italian type

Classification (Orphanet):
- Rare developmental defect during embryogenesis
- Rare eye disease
- Rare genetic 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: <1 / 1 000 000
Average age onset: neonatal/infancy
Average age of death: -
Type of inheritance: autosomal recessive
Epidemiological data:
(no data available)

External references:
1 OMIM reference -
1 MeSH reference: C537209
External references:
1 OMIM reference -
No MeSH references


COMMON
SIGNS
- Seizures / epilepsy / absences / spasms / status epilepticus


Knobloch syndrome
Hereditary cerebral hemorrhage with amyloidosis, Italian type

Very frequent
- Autosomal recessive inheritance
- Encephalocele / exencephaly
- Macular dystrophy / absence / hypoplasia of the macula
- Myopia
- Retinal detachment
- Scalp / skull defect

Frequent
- Hydrocephaly
- Nystagmus
- Visual loss / blindness / amblyopia
- Vitreous anomalies / hyalitis / persistent vitreous vascularisation

Occasional
- Cataract / lens opacification
- Depressed nasal bridge
- Dextrocardia / abnormal heart position / cardiac heterotaxia / situs inversus
- Epicanthic folds
- Gastric / pyloric stenosis
- Hair and scalp anomalies
- Hyperextensible joints / articular hyperlaxity
- Lens dislocation / luxation / subluxation / ectopia lentis
- Lymphangioma / lymphatic malformations
- Mid-facial hypoplasia / short / small midface
- Patent ductus arteriosus
- Strabismus / squint
- Ureter / calyx / pelvis duplication / bifid / retrocava / retroiliac ureter
- Vesicorenal / vesicoureteral reflux


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