A peripheral blood picture resembling that of leukemia or indistinguishable from it on the basis of morphologic appearance alone. (Dorland, 27th ed)

A transient increase in the number of leukocytes in a body fluid.

In patients with neoplastic diseases a wide variety of clinical pictures which are indirect and usually remote effects produced by tumor cell metabolites or other products.

A species of gram-positive bacteria in the family Clostridiaceae, found in INTESTINES and SOIL.

A species of MORGANELLA formerly classified as a Proteus species. It is found in the feces of humans, dogs, other mammals, and reptiles. (From Bergey's Manual of Determinative Bacteriology, 9th ed)

A rare myeloproliferative disorder that is characterized by a sustained, mature neutrophilic leukocytosis. No monocytosis, EOSINOPHILIA, or basophilia is present, nor is there a PHILADELPHIA CHROMOSOME or bcr-abl fusion gene (GENES, ABL).