Focal dermal hypoplasia

Classification and external resources
Specialty	medical genetics
ICD-10	Q82.8
ICD-9-CM	759.89
OMIM	305600
DiseasesDB	29896
eMedicine	derm/155
MeSH	D005489
GeneReviews	Focal Dermal Hypoplasia

Focal dermal hypoplasia (also known as "Goltz syndrome") is a form of ectodermal dysplasia.^[1] It is a multisystem disorder characterized primarily by skin manifestations to the atrophic and hypoplastic areas of skin which are present at birth. These defects manifest as yellow-pink bumps on the skin and pigmentation changes.^[2] The disorder is also associated with shortness of stature and some evidence suggests that it can cause epilepsy.^[3]

Genetics

The molecular Location of the PORCN gene on the X chromosome: base pairs 48,367,346 to 48,379,201

Focal dermal hypoplasia has been associated with PORCN gene mutations on the X chromosome.^[4] 90% of the individuals who are affected with the syndrome are female: the commonly accepted, though unconfirmed, explanation for this is that the non-mosaic hemizygous males are not viable.^[5]

The differential diagnosis of focal dermal hypoplasia (Goltz) syndrome includes autosomal recessive Setleis syndrome due to TWIST2 gene mutations. It associated with morning glory anomaly, polymicrogyria, incontinentia pigmenti, oculocerebrocutaneous syndrome, Rothmund-Thomson syndrome and microphthalmia with linear skin defects (also known as MLS) syndrome because they are all caused by deletions or point mutations in the HCCS gene.^[6]

Origin of eponyms

Jessner-Cole syndrome

The disorder was first formally recognized by dermatologists, Max Jessner and Harold Newton Cole, in the early 20th century. Jessner and Cole's papers were referenced more than any others in the first half of the 20th century.^[7]^[8]

Goltz-Gorlin

Besides its formal name, it is most commonly referred to as Goltz-Gorlin syndrome, after Robert Goltz and Robert Gorlin.^[9] Goltz and Gorlin worked together at Columbia University ^[10] and are credited for describing the symptoms of the disorder in more detail than ever before and tracking its genetic trends. The name became popular during the second half of the 20th century.

References

↑ James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology (10th ed.). Saunders. ISBN 0-7216-2921-0.
↑ Goltz RW, Henderson RR, Hitch JM, Ott JE (2008). Focal dermal hypoplasia syndrome. A review of the literature and report of two cases. GeneReviews.
↑ Kanemura H, Hatakeyama K, Sugita K, Aihara M (2011). Epilepsy in a patient with focal dermal hypoplasia. Pediatric neurology.
↑ Wang X, Reid Sutton V, Omar Peraza-Llanes J, et al. (July 2007). "Mutations in X-linked PORCN, a putative regulator of Wnt signaling, cause focal dermal hypoplasia". Nat. Genet. 39 (7): 836–8. doi:10.1038/ng2057. PMID 17546030.
↑ Sutton, Reid. Veyver; Ignatia B Van den Veyver (1970). Focal Dermal Hypoplasia. Arch Dermatol.
↑ Wimplinger I, Shaw GM, Kutsche K, et al. (Aug 2007). "HCCS loss-of-function missense mutation in a female with bilateral microphthalmia and sclerocornea: a novel gene for severe ocular malformations?". Mol Vis. 13: 1475–82. PMID 17893649.
↑ Jessner: Naeviforme poikilodermieartige Hautveränderungen mit Missbildungen. Zentralblatt für Haut- und Geschlechtskrankheiten, 1928, 27: 468.
↑ H. N. Cole, et al: Ectodermal and mesodermal dysplasia with osseous involvement. Archiv für Dermatologie und Syphilis, Berlin, 1941, 44: 773-788.
↑ synd/1370 at Who Named It?
↑ R. W. Goltz, W. C. Peterson, R. J. Gorlin, H. G. Ravits: Focal dermal hypoplasia. Archives of Dermatology, Chicago, 1962, 86: 708-717.

External links

Congenital malformations and deformations of integument / skin disease (Q80–Q82, 757.0–757.3)

Genodermatosis

Congenital ichthyosis/
erythrokeratodermia

AD	Ichthyosis vulgaris

AR	Congenital ichthyosiform erythroderma: Epidermolytic hyperkeratosis Lamellar ichthyosis Harlequin type ichthyosis Netherton syndrome Zunich–Kaye syndrome Sjögren–Larsson syndrome

XR	X-linked ichthyosis

Ungrouped	Ichthyosis bullosa of Siemens Ichthyosis follicularis Ichthyosis prematurity syndrome Ichthyosis–sclerosing cholangitis syndrome Nonbullous congenital ichthyosiform erythroderma Ichthyosis linearis circumflexa Ichthyosis hystrix

EB
and related

EBS
- EBS-K
- EBS-WC
- EBS-DM
- EBS-OG
- EBS-MD
- EBS-MP

DEB
- DDEB
- RDEB

Ectodermal dysplasia

Elastic/Connective

Hyperkeratosis/
keratinopathy

PPK	diffuse: Diffuse epidermolytic palmoplantar keratoderma Diffuse nonepidermolytic palmoplantar keratoderma Palmoplantar keratoderma of Sybert Mal de Meleda syndromic connexin Bart–Pumphrey syndrome Clouston's hidrotic ectodermal dysplasia Vohwinkel syndrome Corneodermatoosseous syndrome plakoglobin Naxos syndrome Scleroatrophic syndrome of Huriez Olmsted syndrome Cathepsin C Papillon–Lefèvre syndrome Haim–Munk syndrome Camisa disease focal: Focal palmoplantar keratoderma with oral mucosal hyperkeratosis Focal palmoplantar and gingival keratosis Howel–Evans syndrome Pachyonychia congenita Pachyonychia congenita type I Pachyonychia congenita type II Striate palmoplantar keratoderma Tyrosinemia type II punctate: Acrokeratoelastoidosis of Costa Focal acral hyperkeratosis Keratosis punctata palmaris et plantaris Keratosis punctata of the palmar creases Schöpf–Schulz–Passarge syndrome Porokeratosis plantaris discreta Spiny keratoderma ungrouped: Palmoplantar keratoderma and spastic paraplegia desmoplakin Carvajal syndrome connexin Erythrokeratodermia variabilis HID/KID

Other	Meleda disease Keratosis pilaris ATP2A2 Darier's disease Dyskeratosis congenita Lelis syndrome Dyskeratosis congenita Keratolytic winter erythema Keratosis follicularis spinulosa decalvans Keratosis linearis with ichthyosis congenital and sclerosing keratoderma syndrome Keratosis pilaris atrophicans faciei Keratosis pilaris

Other

see also Template:Congenital malformations and deformations of skin appendages, Template:Phakomatoses, Template:Pigmentation disorders, Template:DNA replication and repair-deficiency disorder

Developmental
anomalies

Midline	Dermoid cyst Encephalocele Nasal glioma PHACE association Sinus pericranii

Nevus	Capillary hemangioma Port-wine stain Nevus flammeus nuchae

Other/ungrouped	Aplasia cutis congenita Amniotic band syndrome Branchial cyst Cavernous venous malformation Accessory nail of the fifth toe Bronchogenic cyst Congenital cartilaginous rest of the neck Congenital hypertrophy of the lateral fold of the hallux Congenital lip pit Congenital malformations of the dermatoglyphs Congenital preauricular fistula Congenital smooth muscle hamartoma Cystic lymphatic malformation Median raphe cyst Melanotic neuroectodermal tumor of infancy Mongolian spot Nasolacrimal duct cyst Omphalomesenteric duct cyst Poland anomaly Rapidly involuting congenital hemangioma Rosenthal–Kloepfer syndrome Skin dimple Superficial lymphatic malformation Thyroglossal duct cyst Verrucous vascular malformation Birthmark

Sex linkage: X-linked disorders

X-linked recessive

Immune	Chronic granulomatous disease (CYBB) Wiskott–Aldrich syndrome X-linked severe combined immunodeficiency X-linked agammaglobulinemia Hyper-IgM syndrome type 1 IPEX X-linked lymphoproliferative disease Properdin deficiency

Hematologic	Haemophilia A Haemophilia B X-linked sideroblastic anemia

Endocrine	Androgen insensitivity syndrome/Spinal and bulbar muscular atrophy KAL1 Kallmann syndrome X-linked adrenal hypoplasia congenita

Metabolic	Amino acid: Ornithine transcarbamylase deficiency Oculocerebrorenal syndrome Dyslipidemia: Adrenoleukodystrophy Carbohydrate metabolism: Glucose-6-phosphate dehydrogenase deficiency Pyruvate dehydrogenase deficiency Danon disease/glycogen storage disease Type IIb Lipid storage disorder: Fabry's disease Mucopolysaccharidosis: Hunter syndrome Purine-pyrimidine metabolism: Lesch–Nyhan syndrome Mineral: Menkes disease/Occipital horn syndrome

Nervous system	X-linked mental retardation: Coffin–Lowry syndrome MASA syndrome Alpha-thalassemia mental retardation syndrome Siderius X-linked mental retardation syndrome Eye disorders: Color blindness (red and green, but not blue) Ocular albinism (1) Norrie disease Choroideremia Other: Charcot–Marie–Tooth disease (CMTX2-3) Pelizaeus–Merzbacher disease SMAX2

Skin and related tissue	Dyskeratosis congenita Hypohidrotic ectodermal dysplasia (EDA) X-linked ichthyosis X-linked endothelial corneal dystrophy

Neuromuscular	Becker's muscular dystrophy/Duchenne Centronuclear myopathy (MTM1) Conradi–Hünermann syndrome Emery–Dreifuss muscular dystrophy 1

Urologic	Alport syndrome Dent's disease X-linked nephrogenic diabetes insipidus

Bone/tooth	AMELX Amelogenesis imperfecta

No primary system	Barth syndrome McLeod syndrome Smith–Fineman–Myers syndrome Simpson–Golabi–Behmel syndrome Mohr–Tranebjærg syndrome Nasodigitoacoustic syndrome

X-linked dominant

X-linked hypophosphatemia Focal dermal hypoplasia Fragile X syndrome Aicardi syndrome Incontinentia pigmenti Rett syndrome CHILD syndrome Lujan–Fryns syndrome Orofaciodigital syndrome 1 Craniofrontonasal dysplasia

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