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Tinción de Gram de secreción uretral - Overview

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Tinción de Gram en la secreción de la uretra

Definición:

Es un examen para identificar bacterias en el líquido proveniente del conducto que drena la orina desde la vejiga (uretra).

Forma en que se realiza el examen:

El líquido proveniente de la uretra se recoge con un aplicador de algodón (hisopo) y se aplica una capa muy delgada de la muestra a un portaobjetos de un microscopio. Luego, se aplica una serie de colorantes, llamados tinción de Gram, a la muestra.

El frotis teñido se examina luego bajo el microscopio para verificar la presencia de bacterias. El color, tamaño y forma de las células ayudan a identificar el organismo causante de la infección.

Preparación para el examen:

Este examen suele realizarse en el consultorio del médico.

Lo que se siente durante el examen:

Se puede sentir presión o ardor cuando el hisopo toca la uretra.

Razones por las que se realiza el examen:

El examen se realiza cuando hay una secreción uretral anormal y cuando se sospecha de una enfermedad de transmisión sexual.

Tinción de gram de la secreción uretral

Reviewed last on: 8/9/2009
Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Workowski KA, Berman SM. Diseases characterized by urethritis and cervicitis. Sexually transmitted diseases treatment guidelines 2006. Centers for Disease Control and Prevention. MMWR. 2006 Aug 4;55(RR-11):35-49.

Centers for Disease Control and Prevention (CDC). Update to CDC's sexually transmitted diseases treatment guidelines, 2006: fluoroquinolones no longer recommended for treatment of gonococcal infections. MMWR.2007 Apr 13;56(14):332-6.

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