[Over 30-year experience of Polish Pediatric Leukemia/Lymphoma Study Group for treatment of Hodgkin's disease in children and adolescents: improvement curability and decrease of serious complications].

Currently over 90% of children with HD can be cured thanks to use of chemotherapy (CT) combined with involved field radiotherapy (IF-RT). From 1971 to 2001, 1062 children and adolescents with HD (stage I to IV) were treated in 10 oncological centers PPLLSG. Majority of patients were treated with CT combined with IF-RT.

[Influence of age on treatment results in children and adolescents with Hodgkin's disease].

Over the last few years, treatment failures (progression, relapse) in Hodgkin's disease (HD) occurred mainly in elder children treated in the Polish Pediatric Leukemia/Lymphoma Study Group (PPLLSG) participating centers. That is why analysis of the influence of age on the treatment outcome in children and adolescents treated with the protocol introduced in 1997 was performed. In years 1997-2001, in 10 centers of PPLLSG, 280 patients (age 2.

[Treatment regimen for children and adolescents with Hodgkin's disease designed to decrease late complications of radiotherapy].

Between 1997 to 1999 in 9 centres of the Polish Paediatlic Leukemia/Lymphoma Study Group, 167 children and adolescents (aged 2-19 years) with stage 1 to IV Hodgkin's disease (HD) were treated according to a regimen with a limited use of radiotherapy (RT). All patients received B-DOPA and MVPP chemotherapy. The number of cycles of chemotherapy was adjusted in respective risk groups.

[Does residual mediastinal mass in children with completed treatment of Hodgkin's disease affect the incidence of relapses?].

Four hundred and four children with Hodgkin's disease (stage I-IV) were treated in seven cooperating centers of Polish Paediatric Leukaemia/Lymphoma Study Group between 1988 and 1996. Mediastinal masses and/or hilar involvement were found in 261 (65%) patients. Remission was obtained in 256 (98%) of this group.

Successful treatment of a mediastinal endodermal sinus tumor in a 2-year-old child.

The article describes a primary mediastinal endodermal sinus tumor in a child. The employment of multidrug therapy combined with surgical treatment resulted in a long-term remission in this rare tumor.