[Germ-cell tumors of the testis in childhood].

Germinative-cell tumors are the most common tumors of the testis in children. For a period of 15 years (1975-1989) the authors have observed 12 children with these tumors. Leading symptoms in all children was a gradual painless enlargement of one testis; the symptomatic hydrocele may delay the correct diagnosis for several months.

[The diagnosis and surgical treatment of teratogenic tumors of the mediastinum in childhood].

Mediastinal tumors are leading tumors in pediatric chest oncology. Teratogenic mediastinal tumors are characteristic of early childhood. For a period of 7 years 4 children with teratogenic tumors of the mediastinum--7.

[Primary tumors of the stomach in childhood].

Two cases of primary tumors of the stomach in children (7 and 10 years of age) are reported. One of them had non-Hodgkin's lymphoma and the other hamartoma, both radically operated. In the former case subtotal resection of the stomach was made followed by polychemotherapy.

[Retroperitoneal and pelvic-presacral teratogenic tumors in early childhood--the diagnostic and surgical treatment problems].

Teratogenic tumors are characteristic for childhood. For a period of 15 years the authors have observed 12 children with retroperitoneal and pelvic-presacral localization of teratogenic tumors. They were most common in girls under one year of age.