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Items: 10

1.

Glycogen storage disease, type II

Pompe disease is classified by age of onset, organ involvement, severity, and rate of progression. Infantile-onset Pompe disease (IOPD; individuals with onset before age 12 months with cardiomyopathy) may be apparent in utero but more typically onset is at the median age of four months with hypotonia, generalized muscle weakness, feeding difficulties, failure to thrive, respiratory distress, and hypertrophic cardiomyopathy. Without treatment by enzyme replacement therapy (ERT), IOPD commonly results in death by age two years from progressive left ventricular outflow obstruction and respiratory insufficiency. Late-onset Pompe disease (LOPD; including: (a) individuals with onset before age 12 months without cardiomyopathy; and (b) all individuals with onset after age 12 months) is characterized by proximal muscle weakness and respiratory insufficiency; clinically significant cardiac involvement is uncommon. [from GeneReviews]

MedGen UID:
5340
Concept ID:
C0017921
Disease or Syndrome
2.

Telangiectasia, hereditary hemorrhagic, type 1

Hereditary hemorrhagic telangiectasia (HHT) is characterized by the presence of multiple arteriovenous malformations (AVMs) that lack intervening capillaries and result in direct connections between arteries and veins. The most common clinical manifestation is spontaneous and recurrent nosebleeds (epistaxis) beginning on average at age 12 years. Telangiectases (small AVMs) are characteristically found on the lips, tongue, buccal and gastrointestinal (GI) mucosa, face, and fingers. The appearance of telangiectases is generally later than epistaxis but may be during childhood. Large AVMs occur most often in the lungs, liver, or brain; complications from bleeding or shunting may be sudden and catastrophic. A minority of individuals with HHT have GI bleeding, which is rarely seen before age 50 years. [from GeneReviews]

MedGen UID:
1643786
Concept ID:
C4551861
Disease or Syndrome
3.

Telangiectasia, hereditary hemorrhagic, type 2

Hereditary hemorrhagic telangiectasia (HHT) is characterized by the presence of multiple arteriovenous malformations (AVMs) that lack intervening capillaries and result in direct connections between arteries and veins. The most common clinical manifestation is spontaneous and recurrent nosebleeds (epistaxis) beginning on average at age 12 years. Telangiectases (small AVMs) are characteristically found on the lips, tongue, buccal and gastrointestinal (GI) mucosa, face, and fingers. The appearance of telangiectases is generally later than epistaxis but may be during childhood. Large AVMs occur most often in the lungs, liver, or brain; complications from bleeding or shunting may be sudden and catastrophic. A minority of individuals with HHT have GI bleeding, which is rarely seen before age 50 years. [from GeneReviews]

MedGen UID:
324960
Concept ID:
C1838163
Disease or Syndrome
4.

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
5.

Combined immunodeficiency due to DOCK8 deficiency

Autosomal dominant hyper-IgE recurrent infection syndrome-1 (HIES1; 147060) is a primary immunodeficiency disorder characterized by recurrent Staphylococcus aureus skin abscesses, increased serum IgE, and abnormalities of the connective tissue, skeleton, and dentition (Buckley et al., 1972; Grimbacher et al., 1999). Autosomal recessive HIES2 shares hyper-IgE, eosinophilia, and recurrent Staphylococcal infections, but is distinguished from autosomal dominant HIES1 by the lack of connective tissue and skeletal involvement (Renner et al., 2004). See also TYK2 deficiency (611521), a clinically distinct disease entity that includes characteristic features of both autosomal recessive HIES2 and mendelian susceptibility to mycobacterial disease (MSMD; 209950) (Minegishi et al., 2006). For a discussion of genetic heterogeneity of hyper-IgE recurrent infection syndrome, see 147060. [from OMIM]

MedGen UID:
1648410
Concept ID:
C4722305
Disease or Syndrome
6.

Aneurysm, intracranial berry, 12

Rupture of an intracranial aneurysm (IA), an outpouching or sac-like widening of a cerebral artery, leads to a subarachnoid hemorrhage (SAH), a sudden-onset disease that can lead to severe disability and death. Several risk factors such as smoking, hypertension, and excessive alcohol intake are associated with subarachnoid hemorrhage (summary by Krischek and Inoue, 2006). [from OMIM]

MedGen UID:
1684660
Concept ID:
C5231484
Disease or Syndrome
7.

Aneurysm, intracranial berry, 2

Intracranial berry aneurysms are saccular outpouchings of the intracranial arteries, most commonly at arterial bifurcations, characterized by arterial wall remodeling. Most cases of ruptured intracranial berry aneurysms result in a subarachnoid hemorrhage, associated with high morbidity and mortality (summary by van der Voet et al., 2004). For a discussion of genetic heterogeneity of intracranial berry aneurysm, see ANIB1 (105800). [from OMIM]

MedGen UID:
325285
Concept ID:
C1837894
Disease or Syndrome
8.

Hereditary hemorrhagic telangiectasia type 4

Hereditary hemorrhagic telangiectasia (HHT) is characterized by the presence of multiple arteriovenous malformations (AVMs) that lack intervening capillaries and result in direct connections between arteries and veins. The most common clinical manifestation is spontaneous and recurrent nosebleeds (epistaxis) beginning on average at age 12 years. Telangiectases (small AVMs) are characteristically found on the lips, tongue, buccal and gastrointestinal (GI) mucosa, face, and fingers. The appearance of telangiectases is generally later than epistaxis but may be during childhood. Large AVMs occur most often in the lungs, liver, or brain; complications from bleeding or shunting may be sudden and catastrophic. A minority of individuals with HHT have GI bleeding, which is rarely seen before age 50 years. [from GeneReviews]

MedGen UID:
341824
Concept ID:
C1857688
Disease or Syndrome
9.

Vascular hyalinosis

A rare systemic disease characterized by progressive hyalinosis involving capillaries, arterioles and small veins of the digestive tract, kidneys, and retina, associated with idiopathic cerebral calcifications, manifesting with severe diarrhea (with rectal bleeding and malabsorption), nephropathy (with renal failure and systemic hypertension), chorioretinal scarring, and subarachnoid hemorrhage. Poikiloderma and premature greying of the hair may be additionally observed. [from ORDO]

MedGen UID:
376398
Concept ID:
C1848590
Disease or Syndrome
10.

Subarachnoid hemorrhage

Hemorrhage occurring between the arachnoid mater and the pia mater. [from HPO]

MedGen UID:
11625
Concept ID:
C0038525
Disease or Syndrome
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