myelosis Path.
(maɪəˈləʊsɪs)
Pl. myeloses.
[f. myelo- + -osis.]
1. The formation of a tumour of the spinal cord.
| 1891 in Syd. Soc. Lex. 1900 in Dorland Med. Dict. |
2. The proliferation of blood-cell precursors in the bone marrow.
| 1916 L. F. Barker Monographic Med. III. 213 (heading) Acute myeloid leukemia. (Acute leukemic myelosis.) 1922 V. Ellermann Leucosis Fowls i. 9 Schnidde's shorter and correcter words, myelosis and lymphadenosis, are now used in several text-books. 1952 Blood VII. 767 The term erythremic myelosis is used to indicate the parallelism with the leukemic myeloses. 1974 Passmore & Robson Compan. Med. Stud. III. xxi. 72/2 Pure erythraemic myelosis, di Guglielmo's syndrome, is rare, and is characterized by intense and bizarre proliferation of red cell precursors, which escape into the peripheral blood. Ibid. 73/1 Megakaryocytic myelosis is probably a variant of chronic myeloid leukaemia, as the clinical picture, course and prognosis are similar, and it usually terminates with definite evidence of myeloid leukaemia. |