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Items: 12

1.

Aneurysm-osteoarthritis syndrome

Loeys-Dietz syndrome (LDS) is characterized by vascular findings (cerebral, thoracic, and abdominal arterial aneurysms and/or dissections), skeletal manifestations (pectus excavatum or pectus carinatum, scoliosis, joint laxity, arachnodactyly, talipes equinovarus, cervical spine malformation and/or instability), craniofacial features (widely spaced eyes, strabismus, bifid uvula / cleft palate, and craniosynostosis that can involve any sutures), and cutaneous findings (velvety and translucent skin, easy bruising, and dystrophic scars). Individuals with LDS are predisposed to widespread and aggressive arterial aneurysms and pregnancy-related complications including uterine rupture and death. Individuals with LDS can show a strong predisposition for allergic/inflammatory disease including asthma, eczema, and reactions to food or environmental allergens. There is also an increased incidence of gastrointestinal inflammation including eosinophilic esophagitis and gastritis or inflammatory bowel disease. Wide variation in the distribution and severity of clinical features can be seen in individuals with LDS, even among affected individuals within a family who have the same pathogenic variant. [from GeneReviews]

MedGen UID:
462437
Concept ID:
C3151087
Disease or Syndrome
2.

Aortic aneurysm, familial thoracic 6

Any familial thoracic aortic aneurysm and aortic dissection in which the cause of the disease is a mutation in the ACTA2 gene. [from MONDO]

MedGen UID:
435866
Concept ID:
C2673186
Disease or Syndrome
3.

Aortic aneurysm, familial thoracic 4

Any familial thoracic aortic aneurysm and aortic dissection in which the cause of the disease is a mutation in the MYH11 gene. [from MONDO]

MedGen UID:
338704
Concept ID:
C1851504
Disease or Syndrome
4.

Multisystemic smooth muscle dysfunction syndrome

Smooth muscle dysfunction syndrome (SMDYS) presents with a recognizable pattern of complications, including congenital mydriasis, patent ductus arteriosus (PDA), pulmonary artery hypertension, aortic and other arterial aneurysms, moyamoya-like cerebrovascular disease, intestinal hypoperistalsis and malrotation, and hypotonic bladder. It is caused by heterozygous mutations of the ACTA2 gene altering the arginine-179 codon (summary by Regalado et al., 2018). [from OMIM]

MedGen UID:
462551
Concept ID:
C3151201
Disease or Syndrome
5.

Aortic aneurysm, familial thoracic 10

Any familial thoracic aortic aneurysm and aortic dissection in which the cause of the disease is a mutation in the LOX gene. [from MONDO]

MedGen UID:
924785
Concept ID:
C4284414
Disease or Syndrome
6.

Aortic aneurysm, familial thoracic 9

Any familial thoracic aortic aneurysm and aortic dissection in which the cause of the disease is a mutation in the MFAP5 gene. [from MONDO]

MedGen UID:
863805
Concept ID:
C4015368
Disease or Syndrome
7.

Loeys-Dietz syndrome 6

Loeys-Dietz syndrome (LDS) is characterized by vascular findings (cerebral, thoracic, and abdominal arterial aneurysms and/or dissections), skeletal manifestations (pectus excavatum or pectus carinatum, scoliosis, joint laxity, arachnodactyly, talipes equinovarus, cervical spine malformation and/or instability), craniofacial features (widely spaced eyes, strabismus, bifid uvula / cleft palate, and craniosynostosis that can involve any sutures), and cutaneous findings (velvety and translucent skin, easy bruising, and dystrophic scars). Individuals with LDS are predisposed to widespread and aggressive arterial aneurysms and pregnancy-related complications including uterine rupture and death. Individuals with LDS can show a strong predisposition for allergic/inflammatory disease including asthma, eczema, and reactions to food or environmental allergens. There is also an increased incidence of gastrointestinal inflammation including eosinophilic esophagitis and gastritis or inflammatory bowel disease. Wide variation in the distribution and severity of clinical features can be seen in individuals with LDS, even among affected individuals within a family who have the same pathogenic variant. [from GeneReviews]

MedGen UID:
1794251
Concept ID:
C5562041
Disease or Syndrome
8.

Ehlers-Danlos syndrome, classic-like, 2

Ehlers-Danlos syndrome classic-like-2 (EDSCLL2) is characterized by severe joint and skin laxity, osteoporosis involving the hips and spine, osteoarthritis, soft redundant skin that can be acrogeria-like, delayed wound healing with abnormal atrophic scarring, and shoulder, hip, knee, and ankle dislocations. Variable features include gastrointestinal and genitourinary manifestations, such as bowel rupture, gut dysmotility, cryptorchidism, and hernias; vascular complications, such as mitral valve prolapse and aortic root dilation; and skeletal anomalies (Blackburn et al., 2018). For a discussion of genetic heterogeneity of classic-like Ehlers-Danlos syndrome, see 606408. For a discussion of the classification of EDS, see 130000. [from OMIM]

MedGen UID:
1632001
Concept ID:
C4693870
Disease or Syndrome
9.

Megacystis-microcolon-intestinal hypoperistalsis syndrome 2

Megacystis-microcolon-intestinal hypoperistalsis syndrome-2 (MMIHS2) is characterized by prenatal bladder enlargement, neonatal functional gastrointestinal obstruction, and chronic dependence on total parenteral nutrition and urinary catheterization. The majority of cases have a fatal outcome due to malnutrition and sepsis, followed by multiorgan failure (summary by Wang et al., 2019). For a discussion of genetic heterogeneity of MMIHS, see 249210. [from OMIM]

MedGen UID:
1788773
Concept ID:
C5543476
Disease or Syndrome
10.

Autosomal recessive cutis laxa type 2C

Autosomal recessive cutis laxa type IIC (ARCL2C) is characterized by generalized skin wrinkling with sparse subcutaneous fat and dysmorphic progeroid facial features. Most patients also exhibit severe hypotonia as well as cardiovascular involvement (summary by Van Damme et al., 2017). For a general phenotypic description and a discussion of genetic heterogeneity of autosomal recessive cutis laxa, see ARCL1A (219100). [from OMIM]

MedGen UID:
1385755
Concept ID:
C4479387
Disease or Syndrome
11.

Congenital heart defects, multiple types, 8, with or without heterotaxy

Multiple types of congenital heart defects-8 (CHTD8) is characterized by cardiac septal defects, double-outlet right ventricle, unbalanced complete atrioventricular canal, and valvular anomalies, as well as vascular anomalies including dextroposition of the great arteries, anomalous pulmonary venous return, and superior vena cava to left atrium defect. Patients may also exhibit laterality defects, including dextrocardia, atrial isomerism, dextrogastria, left-sided gallbladder, and intestinal malrotation (Zaidi et al., 2013; Granadillo et al., 2018). [from OMIM]

MedGen UID:
1794252
Concept ID:
C5562042
Disease or Syndrome
12.

Thoracic aortic aneurysm

An abnormal localized widening (dilatation) of the thoracic aorta. [from HPO]

MedGen UID:
56525
Concept ID:
C0162872
Anatomical Abnormality
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