[Lymphoma in childhood].

Manifestation of childhood Hodgkin's disease and Non-Hodgkin's lymphoma differ, especially in the latter, from those in adults. Extranodal involvement is seen even more frequently in childhood Non-Hodgkin's lymphomas than in adults. This article reviews the radiological findings in malignant lymphomas in children, explains the differences in the manifestation of Hodgkin's lymphomas, of different subtypes and of the malignant lymphomas in adults. The problems in diagnosis of organ manifestation and special problems of diagnostic imaging procedures in children are discussed.