An upper endoscopy was performed with an Olympus GIF C video endoscope. Biopsies were taken for urease tests and identification of Helicobacter pylori. In additional biopsies were taken from any lesions meriting them.
Se realizó endoscopia digestiva alta con videoendoscopio Olympus GIF V con toma de biopsia para realización de ureasa e identificación de Helicobacter pylori; adicionalmente, se realizaron biopsias a todas aquellas lesiones que lo ameritaran.