[Diarrhea and acquired immunodeficiency syndrome in the tropics (tropical AIDS). The place of digestive endoscopic examinations in diagnosing opportunistic infections].

A.I.D.S. has revealed some parasitic, microbiotic, mycotic or viral diseases causing diarrhea or has given a revival of interest to them. So are Cryptosporidium, Isospora belli, Salmonella typhi murium, Cytomegalovirus. Some easy techniques lead to the diagnosis of some pathogenic agents, such as parasitologic diagnosis of Cryptosporidium. Some other pathogenic agents call for a biopsy in view of an histopathology test: it is the case of Cytomegalovirus of which the diagnosis is stated positively by the histological picture with virus intranuclear inclusions. Then, it is necessary to make clear the actual indications of digestive endoscopic scanning when confronted by a diarrhea of tropical A.I.D.S.