chronic neutrophilic leukemia , which may be regarded a variant of myeloproliferative disease , is associated with mature peripheral neutrophilia , hepatosplenomegaly , tissue infiltration by mature and immature granulocytes , an elevated leucocyte alkaline phosphatase score , absence of the ph1 chromosome and elevated vitamin b12 .
C0023481
chronic neutrophilic leukemia
C0151683
neutrophilia