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Bone Marrow Studies in Myelomatosis
Author(s) -
Hansen Ole Paaske
Publication year - 1978
Publication title -
scandinavian journal of haematology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.904
H-Index - 84
eISSN - 1600-0609
pISSN - 0036-553X
DOI - 10.1111/j.1600-0609.1978.tb00362.x
Subject(s) - bone marrow , ineffective erythropoiesis , erythropoiesis , pathogenesis , medicine , iron deficiency , endocrinology , anemia , pathology , chemistry
The percentage of fat‐cell areas in bone marrow particles from 22 patients with untreated myelomatosis was estimated. In only 1 patient was the mean fat cell area below 25 % of the bone marrow area measured. A negative correlation was found between the area of fat cells and plasma cells, indicating a displacement of the fat cell area by the plasma cells. 28 % of the patients had empty bone marrow deposits of iron. However, based on a normal iron saturation of S‐transferrin and a normal sideroblast count in the bone marrow, the supply of iron to the erythropoiesis was considered sufficient. All patients but one had normoblastic bone marrows. Using a deoxyuridine suppression test in 10 patients, no biochemical defect could be demonstrated. To judge from the correlation coefficient a minor degree (9–14 %) of the variation in Hb values could be predicted from the cellularity in the bone marrow while a major degree (70 %) could be predicted from the renal glomerular filtration rate. The results do not support a displacement of blood‐forming elements, iron deficiency, vitamin B 12 or folic acid deficiency to be of general significance in the pathogenesis of anaemia, but agrees with a causal relationship between anaemia and renal failure.