Results 301 to 310 of about 67,545 (327)
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2013
True microcephaly (head circumference ≤-3SD), either primary (present at birth) or secondary (of postnatal onset) results from an imbalance between progenitor cell production and cell death that lead to a reduced number of neuronal and glial cells within the brain, resulting in reduced brain growth.
Alain Verloes +2 more
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True microcephaly (head circumference ≤-3SD), either primary (present at birth) or secondary (of postnatal onset) results from an imbalance between progenitor cell production and cell death that lead to a reduced number of neuronal and glial cells within the brain, resulting in reduced brain growth.
Alain Verloes +2 more
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Cytomegalovirus and Microcephaly
Pediatrics, 1970We read with interest the report by Dr. Baron and his colleagues1. We also have studied cytomegalovirus (CMV) infection in children. CMV isolation and complement-fixing (CF) antibody in microcephalic and normal normocephalic children are shown in Table I.
Shunzo Chiba, Tooru Nakao
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Pediatrics In Review, 1996
Microcephaly is characterized by a head circumference that is below the normal range. The diagnosis is made by measuring the largest circumference of the head, using the glabella and the occipital protuberance as reference points. Head circumference reflects brain volume, with a small skull usually reflecting a small brain.
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Microcephaly is characterized by a head circumference that is below the normal range. The diagnosis is made by measuring the largest circumference of the head, using the glabella and the occipital protuberance as reference points. Head circumference reflects brain volume, with a small skull usually reflecting a small brain.
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American Journal of Medical Genetics, 1980
AbstractThe authors report the combination of achalasia, microcephaly, and mental retardation in three surviving sisters and similar manifestations in a brother who died after recurrent vomiting and respiratory infections. The achalasia in the females was relieved with an operation. There was no demonstrable chromosomal abnormality.
James J. Williams +3 more
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AbstractThe authors report the combination of achalasia, microcephaly, and mental retardation in three surviving sisters and similar manifestations in a brother who died after recurrent vomiting and respiratory infections. The achalasia in the females was relieved with an operation. There was no demonstrable chromosomal abnormality.
James J. Williams +3 more
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Developmental Medicine & Child Neurology, 1977
SUMMARYA two‐month‐old child born with marked microcephaly (head circumference 17cm) was found at autopsy to have gliomesodermal tissue replacing the telencephalon (atelencephaly). This finding, together with genital anomalies and hypoplasia of the extremities, suggests arrest at the fifth week of fetal life.
C A, Garcia, C, Duncan
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SUMMARYA two‐month‐old child born with marked microcephaly (head circumference 17cm) was found at autopsy to have gliomesodermal tissue replacing the telencephalon (atelencephaly). This finding, together with genital anomalies and hypoplasia of the extremities, suggests arrest at the fifth week of fetal life.
C A, Garcia, C, Duncan
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Microcephaly and craniostenosis
Clinical Radiology, 1970The radiological features likely to be of assistance in making the distinction between microcephaly and craniostenosis have been reviewed and the following conclusions were reached. 1. Premature fusion of sutures.—This should always occur in craniostenosis, but appears to occur also in some cases of microcephaly, where in many cases the sutures tend
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Segregation analysis of microcephaly
American Journal of Medical Genetics, 1996Microcephaly is a heterogeneous disorder with genetic and environmental causes. However, there is little information on what proportion of cases are caused by inherited susceptibility, or the mode of inheritance in familial cases. To address these questions, we have performed classical and complex segregation analyses for microcephaly on 2 sets of ...
Audrey Lynn +7 more
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NeoReviews, 2017
Microcephaly can present in the newborn period, either at birth or postnatally. In large cohorts, genetic factors and perinatal brain damage secondary to maternal exposures and prenatally acquired infections are the leading causative factors. However, in up to ∼40% of children with microcephaly, no etiology is identified.
Taylor Heald-Sargent +2 more
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Microcephaly can present in the newborn period, either at birth or postnatally. In large cohorts, genetic factors and perinatal brain damage secondary to maternal exposures and prenatally acquired infections are the leading causative factors. However, in up to ∼40% of children with microcephaly, no etiology is identified.
Taylor Heald-Sargent +2 more
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Current Opinion in Neurobiology, 2004
Microcephaly is defined as a reduction in head circumference and this clinical finding infers that an individual has a significant diminution in brain volume. Microcephaly can be usefully divided into primary microcephaly, in which the brain fails to grow to the correct size during pregnancy, and secondary microcephaly, in which the brain is the ...
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Microcephaly is defined as a reduction in head circumference and this clinical finding infers that an individual has a significant diminution in brain volume. Microcephaly can be usefully divided into primary microcephaly, in which the brain fails to grow to the correct size during pregnancy, and secondary microcephaly, in which the brain is the ...
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Seminars in Pediatric Neurology, 2007
The objective of this article is to review microcephaly from a genetics point of view, especially with regard to the process of identification of syndromes in which small head circumference occurs. Microcephaly can be due to either genetic or environmental causes. It can be the only positive finding or may be part of a syndrome of congenital anomalies.
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The objective of this article is to review microcephaly from a genetics point of view, especially with regard to the process of identification of syndromes in which small head circumference occurs. Microcephaly can be due to either genetic or environmental causes. It can be the only positive finding or may be part of a syndrome of congenital anomalies.
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