Microcephaly - Microencephaly
Microcephaly - Microencephaly
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[*] Teaching Files: Microcephaly
Neonatology on the Web
Cedars-Sinai Medical Center, Los Angeles, California
Defined by a head circumference, as measured around the glabella and occipital protuberance, that is more than 2 standard deviations below the mean for age, sex, race, and gestation. Microcephaly is always caused by microencephaly, a small brain, and the two terms are used interchangeably. In the normally
Generally been equated with mental retardation
Not all children with head circumference less than 2 standard deviations are mentally retarded
Twenty-five percent of Hypopituitary dwarfs with normal IQ were microcephalic. Normal intelligence was also measured in 40% of those infants after exposure to the atomic bombs as fetuses ...
Online Mendelian Inheritance in Man
Microcephaly with Chorioretinopathy
Jejunal Atresia with Microcephaly
Microcephaly, Primary Autosomal Recessive
Microcephaly, Autosomal Dominant ...
Microcephaly, Autosomal Dominant
Microcephaly, Primary Autosomal Recessive, 1
Microcephaly & Digital Abnormalities With Normal Intelligence
Written September 1997
National Institute of Neurological Disorders and Stroke
What is Microcephaly
Is there any treatment
Microcephaly is a rare, neurological disorder in which the circumference of the head is smaller than the average for the age and gender of the infant or child. Microcephaly may be congenital (present at birth) or it may develop in the first few years of life
As the child grows older, the smallness of the skull becomes more obvious, although the entire body also is often underweight and dwarfed ...
On-line Microcephaly Support Group
Contacts and Information
The term microcephaly simply means "small head". It usually reflects an underlying reduction in the size of the brain. Head size is assessed by measuring the head's maximum circumference (or O.F.C.-Occipito Frontal Circumference). The term microcephaly is used when the head is less than that of 97% to 99% of the population. Microcephaly may be present at birth (congenital) or it may develop in the first few years of life
Delay in the child's development which can vary from very mild to profound
Cerebral palsy, epilepsy, visual impairment or feeding difficulties. In other cases, there is only minor intellectual impairment. In some children, microcephaly is coupled together with other defects or to another syndrome
Autosomal Recessive Microcephaly
Two healthy parents are each carriers of a faulty gene
Greatly increased if both parents are closely related (e.g. cousins). If both parents carry a faulty recessive gene, the chance of conceiving an affected child is 1 in 4 (25%) ...
All Heads Great and Small
Microcephaly and CP
By L. Leef on 10/9/96 ...
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