[Histologic types of gastric cancer according to the Lauren classification at the Cayetano Heredia National Hospital]. / Tipos histológicos de cáncer gástrico de acuerdo a la clasificación de Lauren en el Hospital Nacional Cayetano Heredia.

The histological samples of stomach with gastric cancer diagnosis were evaluated and classified according to Lauren's criteria. The samples were obtained of 148 patients attended at the Hospital Nacional Cayetano Heredia, Lima, Perú, between January 1988 and December 1995. According to this classification 99 patients (67%) were from the intestinal type and 40 (27%) from the diffuse type. A group of nine patients (6%) was considered as mixed and unclassified. The diffuse type was more frequent in females and the intestinal type for males. We demonstrated with statistical validity that the diffuse type is more frequent in the youngest and the intestinal type in the oldest. In this study there was no significative statistical difference for the localization according the histologic type. However in the three groups the simultaneous involvement of two gastric regions is very frequent, mainly in pyloric antrum and body of the stomach.

[Gastrointestinal and peritoneal tuberculosis]. / Tuberculosis gastrointestinal y peritoneal.

One hundred and forty cases of gastrointestinal and/or peritoneal tuberculosis seen in 18 years at Cayetano Heredia National Hospital in Lima, Perú, are reported. The intestinal localization was 48.5%, peritoneal 33% and both 18.5%. These cases represented 4.5% of all patients diagnosed as tuberculosis. The most frequent age group was between 14 and 24 years, male/female ratio: 1/1.2 and the majority came from poor areas of the country. The most frequent symptoms were weight loss, abdominal pain and diarrhoea. Anemia and hypoalbuminemia were frequent. Eighty five percent had extra-abdominal tuberculosis. The most frequent complication was intestinal obstruction. The mortality in this study was 14.5%.