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Tests and diagnosis
By Mayo Clinic staffTo determine whether your child has microcephaly, your doctor likely will take a thorough prenatal, birth and family history and do a physical exam. He or she will measure the circumference of your child's head, compare it with a growth chart, and remeasure and plot the growth at subsequent visits. Parents' head sizes also may be measured to determine whether small heads run in the family.
In some cases, particularly if your child's development is delayed, your doctor may request tests such as a head CT or MRI and blood tests to help determine the underlying cause of the delay.
- NINDS microcephaly information page. National Institute of Neurological Disorders and Stroke. www.ninds.nih.gov/disorders/microcephaly/microcephaly.htm. Accessed Feb. 4, 2010.
- Boom JA. Etiology and evaluation of microcephaly in infants. http://www.uptodate.com/home/index.html. Accessed Jan. 11, 2010.
- Tarrant A, et al. Microcephaly: A radiological review. Pediatric Radiology. 2009;39:722.
- Mochida GH. Genetics and biology of microcephaly and lissencephaly. Seminars in Pediatric Neurology. 2009;16:120.
- Mighell AS, et al. Post-natal investigations: Management and prognosis for fetuses with CNS anomalies identified in utero excluding neurosurgical problems. Prenatal Diagnosis. 2009;29:442.
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