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Conventional treatment by drugs or irradiation produces little prolongation of life in patients with chronic granulocytic leukaemia (C.G.L.) because the onset of metamorphosis of the disease from a chronic to an acute or subacute leukaemic process is not substantially postponed. Isolated clinical observations as well as both cytogenetic and cytokinetic evidence suggest that the spleen may play a special though not exclusive role in the development of undifferentiated cell clones which lead to metamorphosis of C.G.L. The results of a study of elective splenectomy during the chronic phase of the disease are reported. Twenty-six patients with C.G.L. underwent splenectomy during clinical remission of their disease, and there were no deaths after the operation. Twenty-one patients were alive at the time of writing, two of them eight years after splenectomy. Five cases of metamorphosis of C.G.L. to a refractory phase occurred whereas 10 would have been expected, a significant difference. After the onset of metamorphosis the quality of life was better in splenectomized than in non-splenectomized patients. These results show that splenectomy is a reasonable and safe procedure in C.G.L., and its apparently beneficial effects on prognosis justify a larger controlled clinical trial.

Type

Journal article

Journal

Br Med J

Publication Date

25/01/1975

Volume

1

Pages

175 - 179

Keywords

Adolescent, Adult, Alkaline Phosphatase, Blood Platelets, Busulfan, Cell Differentiation, Female, Follow-Up Studies, Hemoglobins, Humans, Leukemia, Myeloid, Leukocyte Count, Male, Middle Aged, Prognosis, Splenectomy