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Disease Profile

Acromegaloid facial appearance 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

Neonatal

ICD-10

Q87.0

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.

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)

AFA syndrome; Thick lips and oral mucosa

Categories

Congenital and Genetic Diseases

Summary

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

Orpha Number: 965

Definition
A rare multiple congenital anomalies/dysmorphic syndrome with a probable autosomal dominant inheritance, characterized by a progressively coarse acromegaloid-like facial appearance with thickening of the lips and intraoral mucosa, large and doughy hands and, in some cases, developmental delay. AFA syndrome appears to be part of a phenotypic spectrum that includes hypertrichotic osteochondrodysplasia, Cantu type and hypertrichosis-acromegaloid facial appearance syndrome.

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
Blepharophimosis
Narrow opening between the eyelids
0000581
Bulbous nose
0000414
Coarse facial features
Coarse facial appearance
0000280
Everted lower lip vermilion
Drooping lower lip
Outward turned lower lip

[ more ]

0000232
Gingival overgrowth
Gum enlargement
0000212
Hypertelorism
Wide-set eyes
Widely spaced eyes

[ more ]

0000316
Joint hyperflexibility
Joints move beyond expected range of motion
0005692
Large hands
large hand
0001176
Long nose
Elongated nose
Increased height of nose
Increased length of nose
Increased nasal height
Increased nasal length
Nasal elongation

[ more ]

0003189
Macroglossia
Abnormally large tongue
Increased size of tongue
Large tongue

[ more ]

0000158
Palpebral edema
Fullness of eyelids
Puffy eyelids
Puffy lids
Swelling of eyelids

[ more ]

0100540
Thick lower lip vermilion
Increased volume of lower lip
Plump lower lip
Prominent lower lip

[ more ]

0000179
Thick nasal alae
0009928
30%-79% of people have these symptoms
Abnormality of the metacarpal bones
Abnormality of the long bone of hand
0001163
Craniofacial hyperostosis
Excessive bone growth of the skull and face
0004493
Highly arched eyebrow
Arched eyebrows
Broad, arched eyebrows
High, rounded eyebrows
High-arched eyebrows
Thick, flared eyebrows

[ more ]

0002553
Intellectual disability, mild
Mild mental retardation
Mild and nonprogressive mental retardation
Mental retardation, borderline-mild

[ more ]

0001256
Micrognathia
Little lower jaw
Small jaw
Small lower jaw

[ more ]

0000347
Sloping forehead
Inclined forehead
Receding forehead

[ more ]

0000340
Synophrys
Monobrow
Unibrow

[ more ]

0000664
Thick eyebrow
Bushy eyebrows
Dense eyebrow
Heavy eyebrows
Prominent eyebrows
Thick eyebrows

[ more ]

0000574
Thickened skin
Thick skin
0001072
5%-29% of people have these symptoms
Seizure
0001250
Specific learning disability
0001328
Tapered finger
Tapering fingers
Tapered fingertips

[ more ]

0001182
Percent of people who have these symptoms is not available through HPO
Abnormality of the mouth
Abnormal mouth
0000153
Autosomal dominant inheritance
0000006
Large for gestational age
Birth weight > 90th percentile
Birthweight > 90th percentile

[ more ]

0001520

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.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Acromegaloid facial appearance syndrome. Click on the link to view a sample search on this topic.