History
Hodgkin lymphoma (HL, Hodgkin disease), described by Thomas Hodgkin in 1832, was the first form of lymphoma described and defined. Other forms were later described and there was a need to classify them. Because Hodgkin lymphoma was much more radiation-sensitive than other forms, its diagnosis was important for oncologists and their patients. Thus, research originally focused on it. The first classification of Hodgkin lymphoma was proposed by Robert J. Luke in 1963.
While consensus was rapidly reached on the classification of Hodgkin lymphoma, there remained a large group of very different diseases requiring further classification. The Rappaport classification, proposed by Henry Rappaport in 1956 and 1966, became the first widely accepted classification of lymphomas other than Hodgkin. Following its publication in 1982, the Working Formulation became the standard classification for this group of diseases. It introduced the term non-Hodgkin lymphoma (NHL) and defined three grades of lymphoma.
However, NHL consists of 16 different conditions that have little in common with each other. They are grouped by their aggressiveness. Less aggressive non-Hodgkin lymphomas are compatible with a long survival while more aggressive non-Hodgkin lymphomas can be rapidly fatal without treatment. Without further narrowing, the label is of limited usefulness for patients or doctors.
Read more about this topic: Non-Hodgkin Lymphoma
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