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Cilindros urinarios - Overview

Nombres alternativos

Cilindros hialinos; Cilindros granulares; Cilindros epiteliales tubulares renales; Cilindros cerosos; Cilindros en la orina; Cilindros grasos; Cilindros de glóbulos rojos; Cilindros de glóbulos blancos

Definición:

Son partículas diminutas en forma de tubo compuestas de glóbulos blancos, glóbulos rojos o células renales y se forman en las estructuras renales llamadas túbulos. Los cilindros se mantienen juntos por medio de una proteína segregada por el riñón. El contenido de un cilindro le puede decir al médico si su orina está saludable o anormal.

Los tipos de cilindros urinarios abarcan:

  • Cilindros grasos
  • Cilindros granulares
  • Cilindros hialinos
  • Cilindros de glóbulos rojos
  • Cilindros epiteliales tubulares renales
  • Cilindros cerosos
  • Cilindros de glóbulos blancos

Forma en que se realiza el examen:

Se necesita una muestra limpia de orina (mitad de la micción), preferiblemente la primera muestra de orina de la mañana. Para obtener información sobre cómo recoger esta muestra, ver: urocultivo en muestra limpia.

Preparación para el examen:

No se necesita ninguna preparación especial.

Lo que se siente durante el examen:

El examen sólo involucra una micción normal y no produce ningún malestar.

Razones por las que se realiza el examen:

El médico puede ordenar este examen para ver si los riñones están funcionando adecuadamente y revisar en búsqueda de ciertas afecciones, tales como infecciones renales, enfermedad glomerular y nefropatía intersticial

  • Reviewed last on: 8/7/2009
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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