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Incremento del perímetro cefálico - Overview

Nombres alternativos

Macrocefalia

Definición:

El incremento del perímetro cefálico se da cuando la distancia medida alrededor de la parte más ancha del cráneo es mayor de lo que se espera para la edad y formación del niño.

Consideraciones:

Generalmente, la cabeza de un recién nacido es aproximadamente 2 centímetros más grande que el tamaño del tórax. Entre los 6 meses y los 2 años de edad, ambas medidas son aproximadamente iguales. Después de los 2 años de edad, el tamaño del tórax se vuelve más grande que la cabeza.

Una serie de mediciones realizadas a lo largo del tiempo, que muestran una tasa de incremento del crecimiento de la cabeza, con frecuencia pueden suministrar información más valiosa que la arrojada por una sola medición que sea más grande de lo esperado.

El incremento de la presión en la cabeza (aumento de la presión intracraneal) a menudo ocurre con el aumento del perímetro cefálico. Los síntomas de esta afección abarcan:

Ver también: fontanelas prominentes.

Causas:

  • Reviewed last on: 5/1/2011
  • Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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