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Enfermedad de Blount - Overview

Nombres alternativos

Tibia vara

Definición:

Es un trastorno en el crecimiento de la tibia (hueso de la espinilla) en el cual la parte inferior de la pierna se voltea hacia adentro, pareciéndose a piernas arqueadas.

Causas, incidencia y factores de riesgo:

La enfermedad de Blount ocurre en niños pequeños y adolescentes. Se desconoce la causa, pero se cree que se debe a los efectos del peso sobre la placa de crecimiento. La parte interior de la tibia, justo por debajo de la rodilla, no logra desarrollarse normalmente.

A diferencia de las piernas arqueadas, las cuales tienden a enderezarse a medida que el niño crece, la enfermedad de Blount empeora lentamente. Esta afección puede ocasionar un arqueamiento severo de una o ambas piernas.

La enfermedad es más común entre los niños estadounidenses de ascendencia africana y también está asociada con la obesidad y con los niños que empiezan a caminar muy temprano.

  • Reviewed last on: 11/12/2010
  • 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.

Referencias

Canale ST. Osteochondrosis or epiphysitis and other miscellaneous affections. In: Canale ST, Beatty JH, eds. Campbell's Operative Orthopaedics. 11th ed. Philadelphia, Pa: Mosby Elsevier; 2007:chap 29.

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