Macrocephaly
From Wikipedia, the free encyclopedia
ICD-10 | Q75.3 |
---|---|
ICD-9 | 742.4, 756.0 |
Macrocephaly, a type of cephalic disorder, is a condition in which the head circumference is larger than average for the age and sex of the infant or child. It is a descriptive rather than a diagnostic term, and is a characteristic of a variety of disorders. Macrocephaly also may be inherited. Although one form of macrocephaly may be associated with mental retardation, in approximately one-half of cases mental development is normal. Macrocephaly may be caused by an enlarged brain or hydrocephalus. It may be associated with other disorders such as dwarfism, neurofibromatosis, and tuberous sclerosis.