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Computed tomographic measurements of cranial growth normal subjects

Computed tomographic measurements of cranial growth normal subjects

AJR (American Journal of Roentgenology) 142(6): 1253-1256

Growth patterns of the cranium measured directly as head circumference have been well documented. With the availability of computed tomography (CT), cranial dimensions can be obtained easily. The mean values and normal variance of CT cranial area of subjects [human] at different ages were studied. Cranial areas and its long and short axes were measured on CT scans for 215 pediatric neurologic patients of a wide age range who presented no evidence of abnormal growth of head size. Growth patterns of the cranial area as well as the numeric product of its linear dimensions were determined via a curve fitting process. The patterns resemble that of the head circumference growth chart, with the most rapid growth observed in the 1st 12 mo. of age and reaching full size during adolescence. It is believed that the availability of such reference, in addition to the head circumference measurement, will be valuable to the CT reviewer in determining the growth status of head size.

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Accession: 005025111

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