DYSKERATOSIS CONGENITA, AUTOSOMAL RECESSIVE, 2

General Information (adopted from Orphanet):

Synonyms, Signs: DKCB2
Number of Symptoms 16
OrphanetNr:
OMIM Id: 613987
ICD-10:
UMLs:
MeSH:
MedDRA:
Snomed:

Prevalence, inheritance and age of onset:

Prevalence: No data available.
Inheritance: Autosomal recessive inheritance
[Omim]
Age of onset:

Disease classification (adopted from Orphanet):

Parent Diseases: No data available.

Symptom Information: Sort by abundance 

1
(HPO:0000029) Testicular atrophy 13 / 7739
2
(HPO:0002745) Oral leukoplakia 17 / 7739
3
(HPO:0001249) Intellectual disability rare [HPO:skoehler] 1089 / 7739
4
(HPO:0002514) Cerebral calcification rare [HPO:skoehler] 89 / 7739
5
(HPO:0005671) Bilateral intracranial calcifications 9 / 7739
6
(HPO:0005849) Diffuse cerebral calcification 9 / 7739
7
(HPO:0001394) Cirrhosis 102 / 7739
8
(HPO:0001510) Growth delay 295 / 7739
9
(HPO:0002164) Nail dysplasia 82 / 7739
10
(HPO:0007427) Reticulated skin pigmentation 7 / 7739
11
(HPO:0008404) Nail dystrophy 89 / 7739
12
(HPO:0005528) Bone marrow hypocellularity 31 / 7739
13
(HPO:0001876) Pancytopenia 89 / 7739
14
(HPO:0001873) Thrombocytopenia 224 / 7739
15
(OMIM) Shortened telomeres 9 / 7739
16
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739

Associated genes:

ClinVar (via SNiPA)

Gene symbol Variation Clinical significance Reference

Additional Information:

Description: (OMIM) Dyskeratosis congenita is a multisystem disorder caused by defective telomere maintenance. Clinical manifestations include mucocutaneous abnormalities, bone marrow failure, and an increased predisposition to cancer, among other variable features (summary by Vulliamy et al., 2008).

For ...

Clinical Description OMIM Vulliamy et al. (2008) reported a Turkish man with nail dystrophy, thrombocytopenia, testicular atrophy, opportunistic infections, growth and mental retardation, liver cirrhosis, and intracranial calcification. His parents were asymptomatic and unrelated. Another unrelated Turkish boy presented with dyskeratosis ...
Molecular genetics OMIM In 2 unrelated Turkish patients with autosomal recessive dyskeratosis congenita, Vulliamy et al. (2008) identified biallelic mutations in the NOLA2 gene (606470.0001-606470.0003). The 2 patients were identified from a larger group of 117 patients with the disorder; no ...