[Helicobacter pylori eradication heals the duodenal ulcer. Randomized, simple, and controlled study with omeprazole].

60 patients with Helicobacter pylori (Hp) infection and duodenal ulcer (DU) were randomized to received either: I) Two weeks of bismuth subcitrate, metronidazole and amoxicillin (TG) or II) Omeprazole for four weeks (OG). Endoscopy and antral biopsies were done at entry and four weeks after treatment, control endoscopy was performed 2-4-8 and 12 weeks after inclusion in the trial. Healing was similar in both groups at two four weeks.

[Gastric mucosa injuries in portal hypertension].

Portal Hypertension (PH) was diagnosed in 114/4145 patients (p) evaluated by upper gastrointestinal endoscopy during 1991-92 (2.75%). Portal hypertensive gastropathy (PHG) was found in 39.

[Jejunal leiomyosarcoma. A case report].

Jejunal leiomyosarcoma, is an uncommon neoplasm. Diagnosis can be difficult because symptoms may be vague and nonspecific. We report the case of a 33-years-old patient, which was diagnosed and operated of this infrequent pathology.

[Nonulcerative dyspepsia associated with Helicobacter pylori].

30 patients with non ulcer dyspepsia (NUD) were evaluated to find out if there was a relationship with Helicobacter pylori (HP) infection. Gastric biopsies from the antrum were taken and two of them sent to pathology to be stained with H&E and Warthin-Starry. The other three were sent to Microbiology, for urease-test, culture and frotis with Gram stain.