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Adducted thumbs-arthrogryposis syndrome, Christian type

MedGen UID:
929724
Concept ID:
C4304055
Disease or Syndrome
Synonym: Adducted thumbs syndrome
SNOMED CT: Adducted thumbs and arthrogryposis syndrome Christian type (720463009)
Modes of inheritance:
Autosomal recessive inheritance
MedGen UID:
141025
Concept ID:
C0441748
Intellectual Product
Source: Orphanet
A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in individuals with two pathogenic alleles, either homozygotes (two copies of the same mutant allele) or compound heterozygotes (whereby each copy of a gene has a distinct mutant allele).
 
Monarch Initiative: MONDO:0008724
OMIM®: 201550
Orphanet: ORPHA2952

Definition

A type of arthrogryposis with characteristics of congenital cleft palate, microcephaly, craniostenosis and arthrogryposis. Additional features include facial dysmorphism. Velopharyngeal insufficiency with difficulties in swallowing, increased secretion of the nose and throat, prominent occiput, generalised muscular hypotonia with mild cyanosis and no spontaneous movements, seizures, torticollis, areflexia, intellectual disability, hypertrichosis of the lower extremities, and scleroedema are also observed. The disease often leads to early death. Transmission is autosomal recessive. No new cases have been described since 1983. [from SNOMEDCT_US]

Clinical features

From HPO
Dysphagia
MedGen UID:
41440
Concept ID:
C0011168
Disease or Syndrome
Difficulty in swallowing.
Cerebral dysmyelination
MedGen UID:
343222
Concept ID:
C1854885
Finding
Defective structure and function of myelin sheaths of the white matter of the brain.
Myelin-dependent gliosis
MedGen UID:
870507
Concept ID:
C4024954
Pathologic Function
A type of gliosis that occurs in the vicinity of injured neurons.
Craniosynostosis syndrome
MedGen UID:
1163
Concept ID:
C0010278
Disease or Syndrome
Craniosynostosis refers to the premature closure of the cranial sutures. Primary craniosynostosis refers to the closure of one or more sutures due to abnormalities in skull development, and secondary craniosynostosis results from failure of brain growth.
Myopathy
MedGen UID:
10135
Concept ID:
C0026848
Disease or Syndrome
A disorder of muscle unrelated to impairment of innervation or neuromuscular junction.
Generalized hypotonia
MedGen UID:
346841
Concept ID:
C1858120
Finding
Generalized muscular hypotonia (abnormally low muscle tone).
Microcephaly
MedGen UID:
1644158
Concept ID:
C4551563
Finding
Head circumference below 2 standard deviations below the mean for age and gender.
Arthrogryposis multiplex congenita
MedGen UID:
1830310
Concept ID:
C5779613
Disease or Syndrome
Multiple congenital contractures in different body areas.
Respiratory insufficiency
MedGen UID:
11197
Concept ID:
C0035229
Pathologic Function
Impairment of gas exchange within the lungs secondary to a disease process, neoplasm, or trauma, possibly resulting in hypoxia, hypercarbia, or both, but not requiring intubation or mechanical ventilation. Patients are normally managed with pharmaceutical therapy, supplemental oxygen, or both.
Velopharyngeal insufficiency
MedGen UID:
52992
Concept ID:
C0042454
Finding
Inability of velopharyngeal sphincter to sufficiently separate the nasal cavity from the oral cavity during speech.
High palate
MedGen UID:
66814
Concept ID:
C0240635
Congenital Abnormality
Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective).
Myopathic facies
MedGen UID:
90695
Concept ID:
C0332615
Finding
A facial appearance characteristic of myopathic conditions. The face appears expressionless with sunken cheeks, bilateral ptosis, and inability to elevate the corners of the mouth, due to muscle weakness.
High, narrow palate
MedGen UID:
324787
Concept ID:
C1837404
Finding
The presence of a high and narrow palate.
Cleft palate
MedGen UID:
756015
Concept ID:
C2981150
Congenital Abnormality
Cleft palate is a developmental defect of the palate resulting from a failure of fusion of the palatine processes and manifesting as a separation of the roof of the mouth (soft and hard palate).
Hypertrichosis
MedGen UID:
43787
Concept ID:
C0020555
Disease or Syndrome
Hypertrichosis is increased hair growth that is abnormal in quantity or location.

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVAdducted thumbs-arthrogryposis syndrome, Christian type

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