[Value of immersion technique in the diagnosis of diseases of duodenal mucosa].

Introduction: We used the immersion technique for the evaluation of duodenal mucosa for several years and we observed discordant results in relation to the literature.

Objective: To evaluate the immersion technique in the diagnosis of duodenal mucosa diseases.

Patients And Method: We performed an upper endoscopy, immersion technique, chromoendoscopy and biopsies of the second portion of the duodenum to the patients who met the inclusion criteria.