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Fanconi anemia complementation group Q(FANCQ)

MedGen UID:
815318
Concept ID:
C3808988
Disease or Syndrome
Synonyms: FANCONI ANEMIA, COMPLEMENTATION GROUP Q; FANCQ
 
Gene (location): ERCC4 (16p13.12)
 
Monarch Initiative: MONDO:0014108
OMIM®: 615272

Disease characteristics

Excerpted from the GeneReview: Fanconi Anemia
Fanconi anemia (FA) is characterized by physical abnormalities, bone marrow failure, and increased risk for malignancy. Physical abnormalities, present in approximately 75% of affected individuals, include one or more of the following: short stature, abnormal skin pigmentation, skeletal malformations of the upper and/or lower limbs, microcephaly, and ophthalmic and genitourinary tract anomalies. Progressive bone marrow failure with pancytopenia typically presents in the first decade, often initially with thrombocytopenia or leukopenia. The incidence of acute myeloid leukemia is 13% by age 50 years. Solid tumors – particularly of the head and neck, skin, and genitourinary tract – are more common in individuals with FA. [from GeneReviews]
Authors:
Parinda A Mehta  |  Christen Ebens   view full author information

Additional description

From OMIM
Fanconi anemia (FA) is a rare genomic instability disorder characterized by bone marrow failure, congenital malformations, hypersensitivity to DNA interstrand crosslink-inducing agents, chromosome fragility, and high susceptibility to cancer (summary by Bogliolo et al., 2013). For additional general information and a discussion of genetic heterogeneity of Fanconi anemia, see 227650.  http://www.omim.org/entry/615272

Clinical features

From HPO
Absent thumb
MedGen UID:
480441
Concept ID:
C3278811
Finding
Absent thumb, i.e., the absence of both phalanges of a thumb and the associated soft tissues.
Primum atrial septal defect
MedGen UID:
83374
Concept ID:
C0344735
Congenital Abnormality
An ostium primum atrial septal defect is located in the most anterior and inferior aspect of the atrial septum. The ostium primum refers to an anterior and inferior opening (ostium) within the septum primum, which divides the rudimentary atrium during fetal development. The ostium primum is normally sealed by fusion of the superior and inferior endocardial cushions around 5 weeks' gestation. Ostium primum defects result from a failure of the fusion of the embryologic endocardial cushion and septum primum.
Short stature
MedGen UID:
87607
Concept ID:
C0349588
Finding
A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to "short stature" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms).
Growth delay
MedGen UID:
99124
Concept ID:
C0456070
Pathologic Function
A deficiency or slowing down of growth pre- and postnatally.
Biliary atresia
MedGen UID:
14117
Concept ID:
C0005411
Congenital Abnormality
Atresia of the biliary tree.
Esophageal atresia
MedGen UID:
4545
Concept ID:
C0014850
Congenital Abnormality
A developmental defect resulting in complete obliteration of the lumen of the esophagus such that the esophagus ends in a blind pouch rather than connecting to the stomach.
Anteriorly placed anus
MedGen UID:
333160
Concept ID:
C1838705
Finding
Anterior malposition of the anus.
Low-set ears
MedGen UID:
65980
Concept ID:
C0239234
Congenital Abnormality
Upper insertion of the ear to the scalp below an imaginary horizontal line drawn between the inner canthi of the eye and extending posteriorly to the ear.
Bone marrow hypocellularity
MedGen UID:
383749
Concept ID:
C1855710
Finding
A reduced number of hematopoietic cells present in the bone marrow relative to marrow fat.
Microcephaly
MedGen UID:
1644158
Concept ID:
C4551563
Finding
Head circumference below 2 standard deviations below the mean for age and gender.
Chromosome breakage
MedGen UID:
91280
Concept ID:
C0376628
Cell or Molecular Dysfunction
Elevated rate of chromosomal breakage or interchanges occurring either spontaneously or following exposure to various DNA-damaging agents. This feature may be assayed by treatment of cultured lymphocytes with agents such as chemical mutagens, irradiation, and alkylating agents.

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