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Goldenhar syndrome

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Goldenhar syndrome
Other namesOculo-auriculo-vertebral spectrum (OAVS), oculo-auriculo-vertebral dysplasia (OAV), expanded spectrum of hemifacial microsomia, facioauriculovertebral dysplasia
Female with Goldenhar syndrome, showing preauricular skin tags
SpecialtyMedical genetics Edit this on Wikidata

Goldenhar syndrome is a rare congenital defect characterized by incomplete development of the ear, nose, soft palate, lip and mandible on usually one side of the body. Common clinical manifestations include limbal dermoids, preauricular skin tags and strabismus.[1] It is associated with anomalous development of the first branchial arch and second branchial arch.[2]

The term is sometimes used interchangeably with hemifacial microsomia, although this definition is usually reserved for cases without internal organ and vertebrae disruption.

It affects between 1 in 3,500 and 1 in 5,600 live births, with a male-to-female ratio of 3:2.[3]

Signs and symptoms

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Severe Goldenhar syndrome in a 10-year-old girl
Limbal dermoid as seen in Goldenhar syndrome
This condition can be inherited in an autosomal dominant manner.

Chief markers of Goldenhar syndrome are incomplete development of the ear, nose, soft palate, lip, and mandible on usually one side of the body. Additionally, some patients will have growing issues with internal organs, especially heart, kidneys and lungs. Typically, the organ will either not be present on one side or will be underdeveloped. While it is more usual for there to be problems on only one side, it has been known for defects to occur bilaterally (approximate incidence 10% of confirmed GS cases).[citation needed]

Other problems can include severe scoliosis (twisting of the vertebrae), limbal dermoids and hearing loss (see hearing loss with craniofacial syndromes), and deafness or blindness in one or both ears/eyes. Granulosa cell tumors may be associated as well.[citation needed]

Causes

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The cause of Goldenhar syndrome is largely unknown. However, it is thought to be multifactorial, although there may be a genetic component, which would account for certain familial patterns. It has been suggested that there is a branchial arch development issue late in the first trimester.[citation needed]

An increase in Goldenhar syndrome in the children of Gulf War veterans has been suggested, but the difference was shown to be statistically insignificant.[4]

Diagnosis

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No general consensus on the minimal diagnostic criteria exists.[5] The syndrome is characterized by hemifacial microsomia due to underdevelopment of structures derived from the 1st and 2nd branchial arches such as eyes, ears, palate, mandible. However, the presentation of the syndrome is highly variable.[6] Some of its features may include:[6]

Treatment

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Treatment is usually confined to such surgical intervention as may be necessary to help the child to develop e.g. jaw distraction/bone grafts, ocular dermoid debulking (see below), repairing cleft palate/lip, repairing heart malformations or spinal surgery. Some patients with Goldenhar syndrome will require assistance as they grow by means of hearing aids or glasses. Stem cell grafting (womb tissue grafting) has been successfully used to "reprogram" eye dermoids, effectively halting the regrowth of eye dermoids. These tissues that grow on the eye are "mis-programmed" cells (sometimes tooth or nail cells instead of eye cells).[citation needed]

Epidemiology

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Prevalence ranges from 1 in 3,500 to 8,500 births.[7]

Eponym

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The condition was documented in 1952 by Belgian–American ophthalmologist Maurice Goldenhar (1924–2001).[8][9]

References

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  1. ^ Zaka-ur-Rab Z, Mittal S (2007). "Optic Nerve Head Drusen in Goldenhar Syndrome" (PDF). JK Science. 9 (1): 33–34.[1]
  2. ^ Touliatou V, Fryssira H, Mavrou A, Kanavakis E, Kitsiou-Tzeli S (2006). "Clinical manifestations in 17 Greek patients with Goldenhar syndrome". Genet. Couns. 17 (3): 359–70. PMID 17100205.
  3. ^ Sudarshan P Gaurkar; Khushboo D Gupta; Kirti S Parmar & Bela J Shah (2013). "Goldenhar Syndrome: A Report of 3 Cases". Indian Journal of Dermatology. 58 (3): 244. doi:10.4103/0019-5154.110876. PMC 3667321. PMID 23723509.
  4. ^ Araneta MR, Moore CA, Olney RS, et al. (1997). "Goldenhar syndrome among infants born in military hospitals to Gulf War veterans". Teratology. 56 (4): 244–251. doi:10.1002/(SICI)1096-9926(199710)56:4<244::AID-TERA3>3.0.CO;2-Z. PMID 9408975.
  5. ^ Beleza-Meireles A, Clayton-Smith J, Saraiva JM, et alOculo-auriculo-vertebral spectrum: a review of the literature and genetic updateJournal of Medical Genetics 2014;51:635-645.
  6. ^ a b Bogusiak, K., Puch, A., & Arkuszewski, P. (2017). Goldenhar syndrome: current perspectives. World Journal of Pediatrics : WJP, 13(5), 405–415. https://doi.org/10.1007/s12519-017-0048-z
  7. ^ Junaid, Mohammed; Slack-Smith, Linda; Wong, Kingsley; Bourke, Jenny; Baynam, Gareth; Calache, Hanny; Leonard, Helen (2022). "Epidemiology of Rare Craniofacial Anomalies: Retrospective Western Australian Population Data Linkage Study". Journal of Pediatrics. 241: 162–72. doi:10.1016/j.jpeds.2021.09.060. PMID 34626670. S2CID 238532372.
  8. ^ synd/2300 at Who Named It?
  9. ^ M. Goldenhar. Associations malformatives de l’oeil et de l’oreille, en particulier le syndrome dermoïde epibulbaire-appendices auriculaires-fistula auris congenita et ses relations avec la dysostose mandibulo-faciale. Journal de génétique humaine, Genève, 1952, 1: 243-282.
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