[The preclinical diagnosis of bladder neoplasms].

On the basis of 3,000 questionnaires used in the population survey, the authors distinguished 430 persons who were at risk. This group comprised from 5.3 to 20.

[Clinico-anatomical characteristics of various forms of chronic calculous cholecystitis].

The authors conducted clinical and anatomical study of 207 gallbladders removed for chronic calculous cholecystitis. In 29% of cases the structural changes in the gallbladder had the character of hyperplastic and hypertrophic processes with the formation of polyps and moderate sclerosis of the wall. In 40% of cases the process showed a tendency towards sclerosis and atrophy from the very beginning.