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A series of 69 cases of "large cell" non-Hodgkin's malignant lymphomas is reviewed. Based only on morphological criteria, eight groups of such lymphomas are described: four of them with a highly reproducible diagnosis and other four more difficult to compare with categories described by other authors. The importance of morphological classifications of(More)
The persistence of contrast medium in the inguinal and retroperitoneal lymph nodes was observed in 104 cases of Hodgkin's disease. Systematic observations were continued until the contrast medium had disappeared completely. The maximum period of observation was 36 months. The following conclusions were reached: a) There is a difference in the behaviour in(More)