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Bezoar - Overview

Nombres alternativos

Tricobezoar; Concreción de pelo

Definición:

Es una bola de material extraño (usualmente pelo o fibra) ingerido que se acumula en el estómago y que no logra pasar a través del intestino.

Causas, incidencia y factores de riesgo:

El hecho de masticar o comer cabello o materiales vellosos (o materiales difícilmente digeribles como bolsas plásticas) puede llevar a la formación de un bezoar. La tasa es muy baja y el riesgo es mayor entre los niños con retraso mental o alteraciones emocionales. Los bezoares se observan generalmente en mujeres entre los 10 y 19 años de edad.

  • Reviewed last on: 8/2/2011
  • 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.

Referencias

Kelsen J, Liacouras CA. Foreign Bodies and Bezoars. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 326.

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