Microcephaly (patient information): Difference between revisions
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==Overview== | ==Overview== | ||
Microcephaly is a condition in which a person's head is significantly smaller than normal for their age and sex, based on standardized charts. Head size is measured as the distance around the top of the head. | Microcephaly is a condition in which a person's head is significantly smaller than normal for their age and sex, based on standardized charts. Head size is measured as the distance around the top of the head. | ||
==What | |||
==What causes Microcephaly?== | |||
Microcephaly most often occurs because the brain fails to grow at a normal rate. Skull growth is determined by brain growth. Brain growth takes place while in the womb and during infancy. | Microcephaly most often occurs because the brain fails to grow at a normal rate. Skull growth is determined by brain growth. Brain growth takes place while in the womb and during infancy. | ||
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** [[Trisomy 18]] | ** [[Trisomy 18]] | ||
** [[Trisomy 21]] | ** [[Trisomy 21]] | ||
*These additional conditions may indirectly cause microcephaly: | |||
* | **[[Uncontrolled phenylketonuria in the mother]] | ||
* [[Methylmercury]] poisoning | **[[Methylmercury]] poisoning | ||
* [[Congenital rubella]] | **[[Congenital rubella]] | ||
* [[Congenital toxoplasmosis]] | **[[Congenital toxoplasmosis]] | ||
* | **[[Cytomegalovirus#Pregnancy and congenital infection|Congenital cytomegalovirus]] ([[CMV]]) | ||
* Use of certain drugs during [[pregnancy]], especially [[Fetal alcohol syndrome|alcohol]] and [[Fetal hydantoin syndrome|phenytoin]] | ** Use of certain drugs during [[pregnancy]], especially [[Fetal alcohol syndrome|alcohol]] and [[Fetal hydantoin syndrome|phenytoin]] | ||
==Diagnosis== | ==Diagnosis== | ||
Microcephaly is usually discovered by the health care provider during routine examination. Head measurements are part of all well-baby examinations up to 18 months (longer in certain circumstances). They are painless and take only a few seconds while the measuring tape is placed around the infant's head. | Microcephaly is usually discovered by the health care provider during routine examination. Head measurements are part of all well-baby examinations up to 18 months (longer in certain circumstances). They are painless and take only a few seconds while the measuring tape is placed around the infant's head. | ||
==When to seek urgent medical care?== | ==When to seek urgent medical care?== | ||
Microcephaly is often diagnosed at birth or during routine well-baby examinations when the infant's height, weight, and head circumference is measured. If you suspect your infant's head size is too small or not growing normally, consult your health care provider | Microcephaly is often diagnosed at birth or during routine well-baby examinations when the infant's height, weight, and head circumference is measured. If you suspect your infant's head size is too small or not growing normally, consult your health care provider | ||
==Where to find medical care for Microcephaly?== | ==Where to find medical care for Microcephaly?== | ||
[http://maps.google.com/maps?f=q&hl=en&geocode=&q={{urlencode:{{#if:{{{1|}}}|{{{1}}}|Hydrophelus}}}}&sll=37.0625,-95.677068&sspn=65.008093,112.148438&ie=UTF8&ll=37.0625,-95.677068&spn=91.690419,149.414063&z=2&source=embed Directions to Hospitals Treating Microcephaly] | [http://maps.google.com/maps?f=q&hl=en&geocode=&q={{urlencode:{{#if:{{{1|}}}|{{{1}}}|Hydrophelus}}}}&sll=37.0625,-95.677068&sspn=65.008093,112.148438&ie=UTF8&ll=37.0625,-95.677068&spn=91.690419,149.414063&z=2&source=embed Directions to Hospitals Treating Microcephaly] | ||
==Sources== | ==Sources== | ||
*http://www.nlm.nih.gov/medlineplus/ency/article/003272.htm | *http://www.nlm.nih.gov/medlineplus/ency/article/003272.htm | ||
{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
[[Category:Medical emergencies]] | [[Category:Medical emergencies]] | ||
[[Category:Neurological disorders]] | [[Category:Neurological disorders]] | ||
[[Category:Emergency medicine]] | [[Category:Emergency medicine]] | ||
[[Category:Disease]] | [[Category:Disease]] | ||
[[Category:Neurology]] | [[Category:Neurology]] | ||
Latest revision as of 12:06, 10 June 2015
For the WikiDoc page for this topic, click here
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Microcephaly |
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Microcephaly On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Assistant-Editor-In-Chief: Kalsang Dolma, M.B.B.S.[2]
Overview
Microcephaly is a condition in which a person's head is significantly smaller than normal for their age and sex, based on standardized charts. Head size is measured as the distance around the top of the head.
What causes Microcephaly?
Microcephaly most often occurs because the brain fails to grow at a normal rate. Skull growth is determined by brain growth. Brain growth takes place while in the womb and during infancy.
Conditions that affect brain growth can cause microcephaly. These include infections, genetic disorders, and severe malnutrition.
- Genetic conditions that cause microcephaly include:
- These additional conditions may indirectly cause microcephaly:
- Uncontrolled phenylketonuria in the mother
- Methylmercury poisoning
- Congenital rubella
- Congenital toxoplasmosis
- Congenital cytomegalovirus (CMV)
- Use of certain drugs during pregnancy, especially alcohol and phenytoin
Diagnosis
Microcephaly is usually discovered by the health care provider during routine examination. Head measurements are part of all well-baby examinations up to 18 months (longer in certain circumstances). They are painless and take only a few seconds while the measuring tape is placed around the infant's head.
When to seek urgent medical care?
Microcephaly is often diagnosed at birth or during routine well-baby examinations when the infant's height, weight, and head circumference is measured. If you suspect your infant's head size is too small or not growing normally, consult your health care provider
Where to find medical care for Microcephaly?
Directions to Hospitals Treating Microcephaly