[Tumors of the urinary bladder in children].

The clinical picture, diagnosis and surgical methods of treatment of tumors of the urinary bladder are described in 7 children aged from 6 months to 2,5 years. Malignant tumors were found in 5, benign in 2 children.

[Ureterocele in children].

Ectopic ureterocele associated with double kidney and ureter was observed in 95 children and orthotopic ureterocele in 9 children. Most of them were the girls (91 of 104). All the children were operated upon (135 operations).