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Items: 1 to 20 of 90

1.

Chondrodysplasia punctata

A heterogeneous group of bone dysplasias, the common character of which is stippling of the epiphyses in infancy. The group includes a severe autosomal recessive form (CHONDRODYSPLASIA PUNCTATA, RHIZOMELIC), an autosomal dominant form (Conradi-Hunermann syndrome), and a milder X-linked form. Metabolic defects associated with impaired peroxisomes are present only in the rhizomelic form. [from MeSH]

MedGen UID:
3052
Concept ID:
C0008445
Congenital Abnormality
2.

Proportionate short stature; mild intellectual disability; dysmorphic facial features; precocious puberty

MedGen UID:
850705
Concept ID:
CN231399
Finding
3.

X-linked recessive inheritance

A mode of inheritance that is observed for recessive traits related to a gene encoded on the X chromosome. In the context of medical genetics, X-linked recessive disorders manifest in males (who have one copy of the X chromosome and are thus hemizygotes), but generally not in female heterozygotes who have one mutant and one normal allele. [from HPO]

MedGen UID:
375779
Concept ID:
C1845977
Finding
4.

Chondrodysplasia

MedGen UID:
91012
Concept ID:
C0343284
Congenital Abnormality
5.

X-linked inheritance

A mode of inheritance that is observed for traits related to a gene encoded on the X chromosome. [from HPO]

MedGen UID:
66838
Concept ID:
C0241764
Genetic Function
6.

Dilantin

a kind of epilepsy treatment drug [from CHV]

MedGen UID:
152070
Concept ID:
C0699512
Organic Chemical; Pharmacologic Substance
7.

Hypogonadism with anosmia

Isolated gonadotropin-releasing hormone (GnRH) deficiency (IGD) is characterized by inappropriately low serum concentrations of the gonadotropins LH (luteinizing hormone) and FSH (follicle-stimulating hormone) in the presence of low circulating concentrations of sex steroids. IGD is associated with a normal sense of smell (normosmic IGD) in approximately 40% of affected individuals and an impaired sense of smell (Kallmann syndrome) in approximately 60%. IGD can first become apparent in infancy, adolescence, or adulthood. Infant boys with congenital IGD often have micropenis and cryptorchidism. Adolescents and adults with IGD have clinical evidence of hypogonadism and incomplete sexual maturation on physical examination. Adult males with IGD tend to have prepubertal testicular volume (i.e., <4 mL), absence of secondary sexual features (e.g., facial and axillary hair growth, deepening of the voice), decreased muscle mass, diminished libido, erectile dysfunction, and infertility. Adult females have little or no breast development and primary amenorrhea. Although skeletal maturation is delayed, the rate of linear growth is usually normal except for the absence of a distinct pubertal growth spurt. [from GTR]

MedGen UID:
102469
Concept ID:
C0162809
Disease or Syndrome
8.

X-linked ichthyosis with steryl-sulfatase deficiency

X-linked ichthyosis is clinically characterized by widespread, dark brown, polygonal scales and generalized dryness. Cutaneous manifestations are present soon after birth and usually do not improve with age. The histopathology of XLI typically shows compact hyperkeratosis and slight acanthosis with a normal granular layer (summary by Takeichi and Akiyama, 2016). X-linked ichthyosis is fundamentally the same disorder as placental steroid sulfatase deficiency, which is often first noted in the pregnant mother of affected males by decreased estrogen or delayed progression of parturition (Alperin and Shapiro, 1997). This is thus an example of affinity ('lumping') of phenotypes thought previously to be separate, the opposite of genetic heterogeneity. Schnyder (1970) gave a useful classification of the inherited ichthyoses. Hernandez-Martin et al. (1999) provided a comprehensive review of X-linked ichthyosis. They pointed out that among all genetic disorders X-linked ichthyosis shows one of the highest ratios of chromosomal deletions; complete deletion has been found in up to 90% of patients. Takeichi and Akiyama (2016) reviewed inherited nonsyndromic forms of ichthyosis. [from GTR]

MedGen UID:
86937
Concept ID:
C0079588
Disease or Syndrome
9.

Smith-Lemli-Opitz syndrome

Smith-Lemli-Opitz syndrome (SLOS) is a congenital multiple anomaly syndrome caused by an abnormality in cholesterol metabolism resulting from deficiency of the enzyme 7-dehydrocholesterol (7-DHC) reductase. It is characterized by prenatal and postnatal growth retardation, microcephaly, moderate to severe intellectual disability, and multiple major and minor malformations. The malformations include distinctive facial features, cleft palate, cardiac defects, underdeveloped external genitalia in males, postaxial polydactyly, and 2-3 syndactyly of the toes. The clinical spectrum is wide and individuals have been described with normal development and only minor malformations. [from GTR]

MedGen UID:
61231
Concept ID:
C0175694
Disease or Syndrome
10.

Rubella

A viral infection caused by the rubella virus. It is initially manifested with flu-like symptoms that last one or two days, followed by the development of a characteristic red rash which lasts from one to five days. The rash first appears in the neck and face. It subsequently spreads to the rest of the body. [from NCI]

MedGen UID:
48514
Concept ID:
C0035920
Disease or Syndrome
11.

Embryopathies

MedGen UID:
41754
Concept ID:
C0013949
Disease or Syndrome
12.

Warfarin

A synthetic anticoagulant. Warfarin inhibits the regeneration of vitamin K1 epoxide and so the synthesis of vitamin K dependent clotting factors, which include Factors II, VII, IX and X, and the anticoagulant proteins C and S. This inhibition results in a sequential depression of Factors VII, IX, X and II activities. Vitamin K is an essential cofactor for the post ribosomal synthesis of the vitamin K dependent clotting factors. The vitamin promotes the biosynthesis of gamma-carboxyglutamic acid residues in these proteins which are essential for biological activity. [from NCI]

MedGen UID:
22695
Concept ID:
C0043031
Hazardous or Poisonous Substance; Organic Chemical; Pharmacologic Substance
13.

Zellweger syndrome

Peroxisome biogenesis disorders, Zellweger syndrome spectrum (PBD, ZSS) is a continuum comprising three phenotypes — Zellweger syndrome (ZS), the most severe; neonatal adrenoleukodystrophy (NALD); and infantile Refsum disease (IRD), the least severe — that were originally described before the biochemical and molecular bases of these disorders had been fully determined. Individuals with PBD, ZSS usually come to clinical attention in the newborn period or later in childhood. In the newborn period, affected children are hypotonic, feed poorly, and have distinctive facies, seizures, and liver cysts with hepatic dysfunction. Bony stippling (chondrodysplasia punctata) of the patella(e) and other long bones may occur. Infants with ZS are significantly impaired and typically die during the first year of life, usually having made no developmental progress. Older children have retinal dystrophy, sensorineural hearing loss, developmental delay with hypotonia, and liver dysfunction. The clinical courses of NALD and IRD are variable and may include developmental delays, hearing loss, vision impairment, liver dysfunction, episodes of hemorrhage, and intracranial bleeding. While some children can be very hypotonic, others learn to walk and talk. The condition is often slowly progressive. [from GTR]

MedGen UID:
21958
Concept ID:
C0043459
Disease or Syndrome
14.

Syndrome

A characteristic symptom complex. [from MeSH]

MedGen UID:
11688
Concept ID:
C0039082
Disease or Syndrome
15.

Ichthyosis

A group of inherited or acquired skin disorders characterized by a dry, thickened, and scaly skin. The skin changes range from mild to severe. [from NCI]

MedGen UID:
7002
Concept ID:
C0020757
Disease or Syndrome
16.

Hypothyroidism

A syndrome that results from abnormally low secretion of THYROID HORMONES from the THYROID GLAND, leading to a decrease in BASAL METABOLIC RATE. In its most severe form, there is accumulation of MUCOPOLYSACCHARIDES in the SKIN and EDEMA, known as MYXEDEMA. [from MeSH]

MedGen UID:
6991
Concept ID:
C0020676
Disease or Syndrome
17.

Global developmental delay

A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age. [from HPO]

MedGen UID:
892935
Concept ID:
C4020875
Pathologic Function
18.

Delay

MedGen UID:
879911
Concept ID:
CN235300
Finding
19.

Ichthyosis

MedGen UID:
833525
Concept ID:
CN229181
Finding
20.

Opitz G/BBB syndrome

Opitz G/BBB syndrome (OS) is a multiple congenital anomalies disorder characterized by malformations of the midline including hypertelorism, laryngo-tracheo-esophalgeal defects and hypospadias. There are two clinically indistinguishable genetic subtypes of Opitz G/BBB: X-linked Opitz G/BBB syndrome (XLOS), and autosomal dominant Opitz G/BBB syndrome (ADOS) (see these terms). [from ORDO]

MedGen UID:
831083
Concept ID:
CN202554
Disease or Syndrome
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