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Items: 8

1.

CEREBROOCULOFACIOSKELETAL SYNDROME 2, INCLUDED (1 patient)

MedGen UID:
903863
Concept ID:
C4225663
Finding
2.

CEREBROOCULOFACIOSKELETAL SYNDROME 2 (1 patient)

MedGen UID:
896412
Concept ID:
C4225632
Finding
3.

XERODERMA PIGMENTOSUM GROUP G/COCKAYNE SYNDROME

MedGen UID:
864477
Concept ID:
C4016040
Finding
4.

Trichothiodystrophy 1, photosensitive

Trichothiodystrophy (TTD) is a rare autosomal recessive disorder in which patients have brittle, sulfur-deficient hair that displays a diagnostic alternating light and dark banding pattern, called 'tiger tail banding,' under polarizing microscopy. TTD patients display a wide variety of clinical features, including cutaneous, neurologic, and growth abnormalities. Common additional clinical features are ichthyosis, intellectual/developmental disabilities, decreased fertility, abnormal characteristics at birth, ocular abnormalities, short stature, and infections. There are both photosensitive and nonphotosensitive forms of the disorder. TTD patients have not been reported to have a predisposition to cancer (summary by Faghri et al., 2008). Genetic Heterogeneity of Trichothiodystrophy Also see TTD2 (616390), caused by mutation in the ERCC3/XPB gene (133510); TTD3 (616395), caused by mutation in the GTF2H5 gene (608780); TTD4 (234050), caused by mutation in the MPLKIP gene (609188); TTD5 (300953), caused by mutation in the RNF113A gene (300951); and TTD6 (616943), caused by mutation in the GTF2E2 gene (189964). [from GTR]

MedGen UID:
355730
Concept ID:
C1866504
Disease or Syndrome
5.

Cerebrooculofacioskeletal syndrome 3

Cerebrooculofacioskeletal syndrome is a severe, progressive neurologic disorder characterized by prenatal onset of arthrogryposis, microcephaly, and growth failure. Postnatal features include severe developmental delay, congenital cataracts (in some), and marked UV sensitivity of the skin. Survival beyond 6 years of age is rare. COFS represents the severe end of the spectrum of disorders caused by mutations in nucleotide excision repair (NER) genes, with Cockayne syndrome and xeroderma pigmentosum being milder NER-related phenotypes (summary by Drury et al., 2014). For a phenotypic description and a discussion of genetic heterogeneity of cerebrooculofacioskeletal syndrome, see COFS1 (214150). [from GTR]

MedGen UID:
342008
Concept ID:
C1851443
Disease or Syndrome
6.

Xeroderma pigmentosum, group G

Xeroderma pigmentosum (XP) is characterized by: Sun sensitivity (severe sunburn with blistering, persistent erythema on minimal sun exposure in ~60% of affected individuals), with marked freckle-like pigmentation of the face before age two years in most affected individuals; Sunlight-induced ocular involvement (photophobia, keratitis, atrophy of the skin of the lids); Greatly increased risk of sunlight-induced cutaneous neoplasms (basal cell carcinoma, squamous cell carcinoma, melanoma). Approximately 25% of affected individuals have neurologic manifestations (acquired microcephaly, diminished or absent deep tendon stretch reflexes, progressive sensorineural hearing loss, and progressive cognitive impairment). The most common causes of death are skin cancer, neurologic degeneration, and internal cancer. The median age at death in persons with XP with neurodegeneration (29 years) was found to be younger than that in persons with XP without neurodegeneration (37 years). [from GTR]

MedGen UID:
75657
Concept ID:
C0268141
Disease or Syndrome
7.

Xeroderma pigmentosum, group D

Xeroderma pigmentosum (XP) is characterized by: Sun sensitivity (severe sunburn with blistering, persistent erythema on minimal sun exposure in ~60% of affected individuals), with marked freckle-like pigmentation of the face before age two years in most affected individuals; Sunlight-induced ocular involvement (photophobia, keratitis, atrophy of the skin of the lids); Greatly increased risk of sunlight-induced cutaneous neoplasms (basal cell carcinoma, squamous cell carcinoma, melanoma). Approximately 25% of affected individuals have neurologic manifestations (acquired microcephaly, diminished or absent deep tendon stretch reflexes, progressive sensorineural hearing loss, and progressive cognitive impairment). The most common causes of death are skin cancer, neurologic degeneration, and internal cancer. The median age at death in persons with XP with neurodegeneration (29 years) was found to be younger than that in persons with XP without neurodegeneration (37 years). [from GTR]

MedGen UID:
75656
Concept ID:
C0268138
Disease or Syndrome
8.

Cerebro-oculo-facio-skeletal syndrome

Cerebrooculofacioskeletal syndrome is an autosomal recessive progressive neurodegenerative disorder characterized by microcephaly, congenital cataracts, severe mental retardation, facial dysmorphism, and arthrogryposis (summary by Jaakkola et al., 2010). Genetic Heterogeneity of Cerebrooculofacioskeletal Syndrome See also COFS2 (610756), caused by mutation in the ERCC2 gene (126340); COFS3 (616570), caused by mutation in the ERCC5 gene (133530); and COFS4 (610758), caused by mutation in the ERCC1 gene (126380). [from GTR]

MedGen UID:
66320
Concept ID:
C0220722
Congenital Abnormality
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