The examination of 453 new cases of young-age gastroduodenal affection
s demonstrates that two-thirds of the patients have nonulcerative dysp
epsia presenting as a symptom complex associated with heterogenous gro
up of gastric and duodenal diseases with specific pathomorphological a
lterations in re absence of ulcers and cancer. The problem of nonulcer
ative dyspepsia needs further detailed specification studies.