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1 OMIM reference -
2 associated genes
11 signs/symptoms
COMMON GENES: 1
COMMON SIGNS: 1
1 OMIM reference -
1 associated gene
37 signs/symptoms
Triphalangeal thumb - polysyndactyly syndrome
Solitary median maxillary central incisor syndrome

LMBR1 SHH
SHH


COMMON
GENES
SHH



Citations in the biomedical literature:


Triphalangeal thumb - polysyndactyly syndrome
LMBR1 SHH
Solitary median maxillary central incisor syndrome



Triphalangeal thumb - polysyndactyly syndrome
Solitary median maxillary central incisor syndrome

Synonym(s):
- TPT-PS syndrome

Synonym(s):
- SMMCI
- Single upper central incisor

Classification (Orphanet):
- Rare bone disease
- Rare developmental defect during embryogenesis
- Rare genetic disease
Classification (Orphanet):
- Rare developmental defect during embryogenesis
- Rare genetic disease
- Rare neurologic disease
- Rare odontologic disease

Classification (ICD10):
- Congenital malformations, deformations and chromosomal abnormalities -
Classification (ICD10):
- Diseases of the digestive system -

Epidemiological data:
Class of prevalence: <1 / 1 000 000
Average age onset: neonatal/infancy
Average age of death: -
Type of inheritance: autosomal dominant
Epidemiological data:
Class of prevalence: unknown
Average age onset: childhood
Average age of death: -
Type of inheritance: multigenic/multifactorial

External references:
1 OMIM reference -
1 MeSH reference: C536563
External references:
1 OMIM reference -
1 MeSH reference: C537342


COMMON
SIGNS
- Autosomal dominant inheritance


Triphalangeal thumb - polysyndactyly syndrome
Solitary median maxillary central incisor syndrome

Very frequent
- Fingerlike / triphalangeal thumb
- Syndactyly of fingers / interdigital palm

Frequent
- Metacarpal anomalies / Archibald's sign
- Postaxial polydactyly (hand)
- Preaxial polydactyly (hand)
- Syndactyly of toes
- Thumb duplication / distal bifid thumb phalangeal bone

Occasional
- Broad / bifid thumb
- Postaxial polydactyly of toes / fifth supernumerary toe
- Preaxial polydactyly of toes / big toe duplication


Very frequent
- Choanal atresia
- Nasal / sinus obstruction / apertura pyriformis hypoplasia / stenosis
- Short stature / dwarfism / nanism
- Solitary median incisor

Frequent
- Hypotelorism
- Intellectual deficit / mental / psychomotor retardation / learning disability
- Intrauterine growth retardation
- Microcephaly
- Narrow nasal bridge
- Prematurity
- Short philtrum
- Tented upper lip

Occasional
- Agenesis / hypoplasia / aplasia of kidneys
- Ambiguous genitalia
- Anteverted nares / nostrils
- Asthma / bronchospasm
- Capillary hemangioma / nevus / naevus flammeus / port-wine stain
- Cleft lip and palate
- Cleft palate without cleft lip / submucosal cleft palate / bifid uvula
- Coloboma of iris
- Congenital cardiac anomaly / malformation / cardiopathy
- Corpus callosum / septum pellucidum total / partial agenesis
- Cyclopia
- Duodenal atresia / stenosis / megaduodenum
- Holoprosencephaly / arhinencephaly / unique lateral ventricle
- Hypothalamic-hypophyseal axis functional anomalies / hypopituitarism
- Hypothyroidy
- Insterstitial / subtelomeric microdeletion / deletion
- Maternal diabetes
- Micropenis / small penis / agenesis
- Scoliosis
- Seizures / epilepsy / absences / spasms / status epilepticus
- Short / small nose
- Strabismus / squint
- Tetralogy of Fallot / trilogy of Fallot
- Vertebral segmentation anomaly / hemivertebrae