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Results: 1 to 20 of 23

1.

Holoprosencephaly sequence

Holoprosencephaly (HPE) is a structural anomaly of the brain in which there is failed or incomplete separation of the forebrain early in gestation. Classic HPE encompasses a continuum of brain malformations including (in order of decreasing severity): alobar, semilobar, lobar, and middle interhemispheric variant (MIHV) type HPE; a septopreoptic type has also been described. Other CNS abnormalities not specific to HPE may also occur. HPE is accompanied by a spectrum of characteristic craniofacial anomalies in approximately 80% of individuals with HPE. Developmental delay is present in virtually all individuals with the HPE spectrum of CNS anomalies. Seizures and pituitary dysfunction are common. Most affected fetuses do not survive; severely affected children typically do not survive beyond early infancy, while a significant proportion of more mildly affected children survive past 12 months. Mildly manifesting individuals without appreciable brain anomalies on conventional neuroimaging may be described as having “microform” HPE. [from GeneReviews]

MedGen UID:
38214
Concept ID:
C0079541
Congenital Abnormality
2.

Holoprosencephaly

Holoprosencephaly is a structural anomaly of the brain in which the developing forebrain fails to divide into two separate hemispheres and ventricles. [from HPO]

MedGen UID:
504813
Concept ID:
CN001246
Finding
3.

Holoprosencephaly 4

Holoprosencephaly (HPE) is a structural anomaly of the brain in which there is failed or incomplete separation of the forebrain early in gestation. Classic HPE encompasses a continuum of brain malformations including (in order of decreasing severity): alobar, semilobar, lobar, and middle interhemispheric variant (MIHV) type HPE; a septopreoptic type has also been described. Other CNS abnormalities not specific to HPE may also occur. HPE is accompanied by a spectrum of characteristic craniofacial anomalies in approximately 80% of individuals with HPE. Developmental delay is present in virtually all individuals with the HPE spectrum of CNS anomalies. Seizures and pituitary dysfunction are common. Most affected fetuses do not survive; severely affected children typically do not survive beyond early infancy, while a significant proportion of more mildly affected children survive past 12 months. Mildly manifesting individuals without appreciable brain anomalies on conventional neuroimaging may be described as having “microform” HPE. [from GeneReviews]

MedGen UID:
374488
Concept ID:
C1840528
Disease or Syndrome
4.

Holoprosencephaly 5

Holoprosencephaly (HPE) is a structural anomaly of the brain in which there is failed or incomplete separation of the forebrain early in gestation. Classic HPE encompasses a continuum of brain malformations including (in order of decreasing severity): alobar, semilobar, lobar, and middle interhemispheric variant (MIHV) type HPE; a septopreoptic type has also been described. Other CNS abnormalities not specific to HPE may also occur. HPE is accompanied by a spectrum of characteristic craniofacial anomalies in approximately 80% of individuals with HPE. Developmental delay is present in virtually all individuals with the HPE spectrum of CNS anomalies. Seizures and pituitary dysfunction are common. Most affected fetuses do not survive; severely affected children typically do not survive beyond early infancy, while a significant proportion of more mildly affected children survive past 12 months. Mildly manifesting individuals without appreciable brain anomalies on conventional neuroimaging may be described as having “microform” HPE. [from GeneReviews]

MedGen UID:
355304
Concept ID:
C1864827
Disease or Syndrome
5.

Holoprosencephaly 3

Holoprosencephaly (HPE) is a structural anomaly of the brain in which there is failed or incomplete separation of the forebrain early in gestation. Classic HPE encompasses a continuum of brain malformations including (in order of decreasing severity): alobar, semilobar, lobar, and middle interhemispheric variant (MIHV) type HPE; a septopreoptic type has also been described. Other CNS abnormalities not specific to HPE may also occur. HPE is accompanied by a spectrum of characteristic craniofacial anomalies in approximately 80% of individuals with HPE. Developmental delay is present in virtually all individuals with the HPE spectrum of CNS anomalies. Seizures and pituitary dysfunction are common. Most affected fetuses do not survive; severely affected children typically do not survive beyond early infancy, while a significant proportion of more mildly affected children survive past 12 months. Mildly manifesting individuals without appreciable brain anomalies on conventional neuroimaging may be described as having “microform” HPE. [from GeneReviews]

MedGen UID:
327125
Concept ID:
C1840529
Disease or Syndrome
6.

Holoprosencephaly 2

Holoprosencephaly (HPE) is a structural anomaly of the brain in which there is failed or incomplete separation of the forebrain early in gestation. Classic HPE encompasses a continuum of brain malformations including (in order of decreasing severity): alobar, semilobar, lobar, and middle interhemispheric variant (MIHV) type HPE; a septopreoptic type has also been described. Other CNS abnormalities not specific to HPE may also occur. HPE is accompanied by a spectrum of characteristic craniofacial anomalies in approximately 80% of individuals with HPE. Developmental delay is present in virtually all individuals with the HPE spectrum of CNS anomalies. Seizures and pituitary dysfunction are common. Most affected fetuses do not survive; severely affected children typically do not survive beyond early infancy, while a significant proportion of more mildly affected children survive past 12 months. Mildly manifesting individuals without appreciable brain anomalies on conventional neuroimaging may be described as having “microform” HPE. [from GeneReviews]

MedGen UID:
322517
Concept ID:
C1834877
Disease or Syndrome
7.

A large group of diseases which are characterized by a low prevalence in the population. They frequently are associated with problems in diagnosis and treatment. [from MeSH]

MedGen UID:
146261
Concept ID:
C0678236
8.

Disease

Any abnormal condition of the body or mind that causes discomfort, dysfunction, or distress to the person affected or those in contact with the person. The term is often used broadly to include injuries, disabilities, syndromes, symptoms, deviant behaviors, and atypical variations of structure and function. [from NCI]

MedGen UID:
4347
Concept ID:
C0012634
Disease or Syndrome
9.

Diseases that are caused by genetic mutations present during embryo or fetal development, although they may be observed later in life. The mutations may be inherited from a parent's genome or they may be acquired in utero. [from MeSH]

MedGen UID:
181981
Concept ID:
C0950123
10.

Congenital anomaly of nervous system

Structural abnormalities of the central or peripheral nervous system resulting primarily from defects of embryogenesis. [from MeSH]

MedGen UID:
105425
Concept ID:
C0497552
Disease or Syndrome
11.

Corpus callosum agenesis

The corpus callosum is the largest fiber tract in the central nervous system and the major interhemispheric fiber bundle in the brain. Formation of the corpus callosum begins as early as 6 weeks' gestation, with the first fibers crossing the midline at 11 to 12 weeks' gestation, and completion of the basic shape by age 18 to 20 weeks (Schell-Apacik et al., 2008). Agenesis of the corpus callosum (ACC) is one of the most frequent malformations in brain with a reported incidence ranging between 0.5 and 70 in 10,000 births. ACC is a clinically and genetically heterogeneous condition, which can be observed either as an isolated condition or as a manifestation in the context of a congenital syndrome (see MOLECULAR GENETICS and Dobyns, 1996). Schell-Apacik et al. (2008) noted that there is confusion in the literature regarding radiologic terminology concerning partial absence of the corpus callosum, where various designations have been used, including hypogenesis, hypoplasia, partial agenesis, or dysgenesis. [from OMIM]

MedGen UID:
104498
Concept ID:
C0175754
Disease or Syndrome
12.

Craniofacial Abnormalities

Congenital structural deformities, malformations, or other abnormalities of the cranium and facial bones. [from MeSH]

MedGen UID:
91281
Concept ID:
C0376634
Congenital Abnormality
13.

Cranioschisis

MedGen UID:
78563
Concept ID:
C0265541
Congenital Abnormality
14.

Congenital anomaly of musculoskeletal system

An abnormality of the musculoskeletal system that is present at birth or detected in the neonatal period. [from NCI]

MedGen UID:
57466
Concept ID:
C0151491
Disease or Syndrome
15.

Arhinencephaly

MedGen UID:
36258
Concept ID:
C0078982
Congenital Abnormality
16.

Disorder of nervous system

A non-neoplastic or neoplastic disorder that affects the brain, spinal cord, or peripheral nerves. [from NCI]

MedGen UID:
14336
Concept ID:
C0027765
Disease or Syndrome
17.

Congenital, Hereditary, and Neonatal Diseases and Abnormalities

Diseases existing at birth and often before birth, or that develop during the first month of life (INFANT, NEWBORN, DISEASES), regardless of causation. Of these diseases, those characterized by structural deformities are termed CONGENITAL ABNORMALITIES. [from MeSH]

MedGen UID:
14319
Concept ID:
C0027612
Disease or Syndrome
18.

Multiple congenital anomalies

MedGen UID:
7806
Concept ID:
C0000772
Congenital Abnormality
19.

Disorder of musculoskeletal system

condition in which there is a deviation from or interruption of the normal structure or function of any muscles, bones, or cartilages of the body. [from CRISP]

MedGen UID:
6471
Concept ID:
C0026857
Disease or Syndrome
20.

Congenital chromosomal disease

Clinical conditions caused by an abnormal chromosome constitution in which there is extra or missing chromosome material (either a whole chromosome or a chromosome segment). (from Thompson et al., Genetics in Medicine, 5th ed, p429) [from MeSH]

MedGen UID:
3441
Concept ID:
C0008626
Disease or Syndrome

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