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Items: 18

1.

CHARGE association

CHD7 disorder encompasses the entire phenotypic spectrum of heterozygous CHD7 pathogenic variants that includes CHARGE syndrome as well as subsets of features that comprise the CHARGE syndrome phenotype. The mnemonic CHARGE syndrome, introduced in the premolecular era, stands for coloboma, heart defect, choanal atresia, retarded growth and development, genital hypoplasia, ear anomalies (including deafness). Following the identification of the genetic cause of CHD7 disorder, the phenotypic spectrum expanded to include cranial nerve anomalies, vestibular defects, cleft lip and/or palate, hypothyroidism, tracheoesophageal anomalies, brain anomalies, seizures, and renal anomalies. Life expectancy highly depends on the severity of manifestations; mortality can be high in the first few years when severe birth defects (particularly complex heart defects) are present and often complicated by airway and feeding issues. In childhood, adolescence, and adulthood, decreased life expectancy is likely related to a combination of residual heart defects, infections, aspiration or choking, respiratory issues including obstructive and central apnea, and possibly seizures. Despite these complications, the life expectancy for many individuals can be normal. [from GeneReviews]

MedGen UID:
75567
Concept ID:
C0265354
Disease or Syndrome
2.

Meacham syndrome

WT1 disorder is characterized by congenital/infantile or childhood onset of steroid-resistant nephrotic syndrome (SRNS), a progressive glomerulopathy that does not respond to standard steroid therapy. Additional common findings can include disorders of testicular development (with or without abnormalities of the external genitalia and/or müllerian structures) and Wilms tumor. Less common findings are congenital anomalies of the kidney and urinary tract (CAKUT) and gonadoblastoma. While various combinations of renal and other findings associated with a WT1 pathogenic variant were designated as certain syndromes in the past, those designations are now recognized to be part of a phenotypic continuum and are no longer clinically helpful. [from GeneReviews]

MedGen UID:
373234
Concept ID:
C1837026
Disease or Syndrome
3.

Goldenhar syndrome

Craniofacial microsomia (CFM) is an autosomal dominant disorder characterized by mandibular hypoplasia, microtia, facial and preauricular skin tags, epibulbar dermoids, and lateral oral clefts, in addition to skeletal and cardiac abnormalities. Inter- and intrafamilial variability has been observed (Timberlake et al., 2021). Hemifacial microsomia is a common birth defect involving the first and second branchial arch derivatives. It typically affects the external ear, middle ear, mandible and temporomandibular joint, muscles of mastication and facial muscles, and other facial soft tissues on the affected side. In some cases, other facial structures, such as the orbit, eye, nose, cranium, or neck, may be involved. Involvement is usually limited to one side, but bilateral involvement is known. In addition to craniofacial anomalies, there may be cardiac, vertebral, and central nervous system defects. The phenotype is highly variable. Most cases are sporadic, but there are rare familial cases that exhibit autosomal dominant inheritance (summary by Poole, 1989 and Hennekam et al., 2010). See also hemifacial microsomia with radial defects (141400) and oculoauriculofrontonasal dysplasia (OAFNS; 601452), which may be part of the OAV spectrum. Another disorder that overlaps clinically with CFM is Townes-Brocks syndrome (TBS; 107480). [from OMIM]

MedGen UID:
501171
Concept ID:
C3495417
Congenital Abnormality
4.

Heterotaxy, visceral, 4, autosomal

Heterotaxy ('heter' meaning 'other' and 'taxy' meaning 'arrangement'), or situs ambiguus, is a developmental condition characterized by randomization of the placement of visceral organs, including the heart, lungs, liver, spleen, and stomach. The organs are oriented randomly with respect to the left-right axis and with respect to one another (Srivastava, 1997). Heterotaxy is a clinically and genetically heterogeneous disorder. For a discussion of the genetic heterogeneity of visceral heterotaxy, see HTX1 (306955). [from OMIM]

MedGen UID:
462407
Concept ID:
C3151057
Disease or Syndrome
5.

Congenital heart defects, multiple types, 6

Multiple types of congenital heart defects are associated with mutation in the GDF1 gene, including tetralogy of fallot (TOF), transposition of the great arteries (TGA), double-outlet right ventricle (DORV), total anomalous pulmonary venous return (TAPVR), pulmonary stenosis or atresia, atrioventricular canal, ventricular septal defect (VSD), and hypoplastic left or right ventricle (Jin et al., 2017). For a discussion of genetic heterogeneity of multiple types of congenital heart defects, see 306955. [from OMIM]

MedGen UID:
462571
Concept ID:
C3151221
Congenital Abnormality
6.

Ciliary dyskinesia, primary, 37

MedGen UID:
1615746
Concept ID:
C4539798
Disease or Syndrome
7.

Heterotaxy, visceral, 8, autosomal

Autosomal visceral heterotaxy-8 (HTX8) is an autosomal recessive developmental disorder characterized by visceral situs inversus associated with complex congenital heart malformations caused by defects in the normal left-right asymmetric positioning of internal organs (summary by Vetrini et al., 2016). For a discussion of the genetic heterogeneity of visceral heterotaxy, see HTX1 (306955). [from OMIM]

MedGen UID:
934635
Concept ID:
C4310668
Disease or Syndrome
8.

Heterotaxy, visceral, 6, autosomal

Visceral heterotaxy-6 (HTX6) is characterized by dextrocardia with or without accompanying complex cardiovascular defects, as well as variable manifestations of visceral heterotaxy, including situs inversus totalis (Perles et al., 2012). [from OMIM]

MedGen UID:
766590
Concept ID:
C3553676
Disease or Syndrome
9.

Heterotaxy, visceral, 7, autosomal

Autosomal visceral heterotaxy-7 is an autosomal recessive developmental disorder characterized by complex congenital heart malformations and/or situs inversus and caused by defects in the normal left-right asymmetric positioning of internal organs. The phenotype is variable (summary by Guimier et al., 2015). For a discussion of the genetic heterogeneity of visceral heterotaxy, see HTX1 (306955). [from OMIM]

MedGen UID:
902629
Concept ID:
C4225217
Disease or Syndrome
10.

Ciliary dyskinesia, primary, 40

Primary ciliary dyskinesia-40 (CILD40) is an autosomal recessive disorder with a relatively mild respiratory phenotype compared to other CILDs. Patients present in childhood with mild upper respiratory symptoms and infections, but typically do not develop serious lung disease. Nitric oxide levels are low-normal or normal. All reported patients have had situs inversus, including several with severe congenital cardiac malformations, but left-right body asymmetry is still theoretically random and would occur in 50% of patients (summary by Loges et al., 2018). For a discussion of genetic heterogeneity of primary ciliary dyskinesia and Kartagener syndrome, see CILD1 (244400). [from OMIM]

MedGen UID:
1648365
Concept ID:
C4749028
Disease or Syndrome
11.

Genito-palato-cardiac syndrome

A rare multiple congenital anomalies/dysmorphic syndrome with characteristics of male, 46,XY gonadal dysgenesis, cleft palate, micrognathia, conotruncal heart defects and unspecific skeletal, brain and kidney anomalies. [from SNOMEDCT_US]

MedGen UID:
341558
Concept ID:
C1856466
Disease or Syndrome
12.

Biliary, renal, neurologic, and skeletal syndrome

Biliary, renal, neurologic, and skeletal syndrome (BRENS) is an autosomal recessive complex ciliopathy with multisystemic manifestations. The most common presentation is severe neonatal cholestasis that progresses to liver fibrosis and cirrhosis. Most patients have additional clinical features suggestive of a ciliopathy, including postaxial polydactyly, hydrocephalus, retinal abnormalities, and situs inversus. Additional features of the syndrome may include congenital cardiac defects, echogenic kidneys with renal failure, ocular abnormalities, joint hyperextensibility, and dysmorphic facial features. Some patients have global developmental delay. Brain imaging typically shows dilated ventricles, hypomyelination, and white matter abnormalities, although some patients have been described with abnormal pituitary development (summary by Shaheen et al., 2020 and David et al., 2020). [from OMIM]

MedGen UID:
1794200
Concept ID:
C5561990
Disease or Syndrome
13.

Johnson neuroectodermal syndrome

Johnson neuroectodermal syndrome has characteristics of alopecia, anosmia or hyposmia, conductive deafness with malformed ears and microtia and/or atresia of the external auditory canal and hypogonadotropic hypogonadism. So far, less than 30 cases have been described in the literature. Other variable features include a congenital heart defect, facial asymmetry, intellectual deficit, cleft palate, choanal stenosis and an increased tendency for dental caries. The syndrome is transmitted as an autosomal dominant trait. The combination of developmental anomalies present in patients with this syndrome is suggestive of an embryological defect in the formation of the neuroectodermal derivatives of cephalic neural crest. [from SNOMEDCT_US]

MedGen UID:
167092
Concept ID:
C0796002
Disease or Syndrome
14.

Cavernous hemangiomas of face-supraumbilical midline raphe syndrome

MedGen UID:
99171
Concept ID:
C0472694
Neoplastic Process
15.

Congenital heart defects, multiple types, 7

Multiple types of congenital heart defects-7 (CHTD7) is an autosomal dominant disorder with incomplete penetrance characterized mainly by tetralogy of Fallot but also including right-sided aortic arch, absent pulmonary valve, and other cardiac abnormalities (Jin et al., 2017, Reuter et al., 2019). [from OMIM]

MedGen UID:
1714491
Concept ID:
C5394062
Congenital Abnormality
16.

Structural heart defects and renal anomalies syndrome

MedGen UID:
1387412
Concept ID:
C4479549
Disease or Syndrome
17.

Heterotaxy, visceral, 12, autosomal

Visceral heterotaxy-12 (HTX12) is an embryonic developmental disorder characterized by defects in the asymmetric positioning of visceral organs across the left-right axis, known as laterality defects. The phenotype is highly variable, ranging from complete organ reversal (situs inversus totalis) to selective misarrangement of organs (situs ambiguus) such as the liver, spleen, and pancreas. The disorder is often associated with dextrocardia or variable complex congenital heart defects. Early death may occur in the most severe cases (summary by Szenker-Ravi et al., 2022). For a discussion of the genetic heterogeneity of visceral heterotaxy, see HTX1 (306955). [from OMIM]

MedGen UID:
1803695
Concept ID:
C5676898
Congenital Abnormality
18.

Right aortic arch

Aorta descends on right instead of on the left. [from HPO]

MedGen UID:
48474
Concept ID:
C0035615
Congenital Abnormality
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