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Disease Profile

Graham-Cox syndrome

Prevalence
Prevalence estimates on Rare Medical Network websites are calculated based on data available from numerous sources, including US and European government statistics, the NIH, Orphanet, and published epidemiologic studies. Rare disease population data is recognized to be highly variable, and based on a wide variety of source data and methodologies, so the prevalence data on this site should be assumed to be estimated and cannot be considered to be absolutely correct.

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US Estimated

Europe Estimated

Age of onset

Infancy

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ICD-10

Q87.8

Inheritance

Autosomal dominant A pathogenic variant in only one gene copy in each cell is sufficient to cause an autosomal dominant disease.

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Autosomal recessive Pathogenic variants in both copies of each gene of the chromosome are needed to cause an autosomal recessive disease and observe the mutant phenotype.

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X-linked
dominant X-linked dominant inheritance, sometimes referred to as X-linked dominance, is a mode of genetic inheritance by which a dominant gene is carried on the X chromosome.

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X-linked
recessive Pathogenic variants in both copies of a gene on the X chromosome cause an X-linked recessive disorder.

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Mitochondrial or multigenic Mitochondrial genetic disorders can be caused by changes (mutations) in either the mitochondrial DNA or nuclear DNA that lead to dysfunction of the mitochondria and inadequate production of energy.

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Multigenic or multifactor Inheritance involving many factors, of which at least one is genetic but none is of overwhelming importance, as in the causation of a disease by multiple genetic and environmental factors.

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Not applicable

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Other names (AKA)

Agenesis of the corpus callosum-intellectual disability-coloboma-micrognathia syndrome; Corpus callosum agenesis-intellectual disability-coloboma-micrognathia syndrome

Categories

Congenital and Genetic Diseases; Eye diseases; Nervous System Diseases

Summary

The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs.
orphanet

Orpha Number: 52055

Definition
Corpus callosum agenesisintellectual disability-colobomamicrognathia syndrome is a developmental anomalies syndrome characterized by coloboma of the iris and optic nerve, facial dysmorphism (high forehead, microretrognathia, low-set ears), intellectual deficit, agenesis of the corpus callosum (ACC), sensorineural hearing loss, skeletal anomalies and short stature.

Visit the Orphanet disease page for more resources.

Symptoms

This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.

Medical Terms Other Names
Learn More:
HPO ID
80%-99% of people have these symptoms
Agenesis of corpus callosum
0001274
Cupped ear
Cup-shaped ears
Simple, cup-shaped ears

[ more ]

0000378
Downslanted palpebral fissures
Downward slanting of the opening between the eyelids
0000494
High forehead
0000348
Intellectual disability
Mental deficiency
Mental retardation
Mental retardation, nonspecific
Mental-retardation

[ more ]

0001249
Low-set ears
Low set ears
Lowset ears

[ more ]

0000369
Macrocephaly
Increased size of skull
Large head
Large head circumference

[ more ]

0000256
Nystagmus
Involuntary, rapid, rhythmic eye movements
0000639
Pectus excavatum
Funnel chest
0000767
Retrognathia
Receding chin
Receding lower jaw
Weak chin
Weak jaw

[ more ]

0000278
Scoliosis
0002650
Sensorineural hearing impairment
0000407
Short neck
Decreased length of neck
0000470
Short stature
Decreased body height
Small stature

[ more ]

0004322
30%-79% of people have these symptoms
Choanal atresia
Blockage of the rear opening of the nasal cavity
Obstruction of the rear opening of the nasal cavity

[ more ]

0000453
Cleft palate
Cleft roof of mouth
0000175
High palate
Elevated palate
Increased palatal height

[ more ]

0000218
Iris coloboma
Cat eye
0000612
Optic nerve coloboma
0000588
Patent ductus arteriosus
0001643
Prominent nasal bridge
Elevated nasal bridge
High nasal bridge
Prominent bridge of nose
Prominent nasal root
Protruding bridge of nose
Protruding nasal bridge

[ more ]

0000426
Ventricular septal defect
Hole in heart wall separating two lower heart chambers
0001629
Percent of people who have these symptoms is not available through HPO
Broad neck
Increased width of neck
Wide neck

[ more ]

0000475
Visual impairment
Impaired vision
Loss of eyesight
Poor vision

[ more ]

0000505
X-linked recessive inheritance
0001419

Learn more

These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

In-Depth Information

  • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
  • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.