chronic lymphocytic leukemia cell T-cell chronic lymphocytic leukemia cell 2-5% of all chronic lymphoproliferative disorders in the West, and 5-6% in the Chinese population. Large granular lymphocytes (LGLs) with the nucleus of a small lymphocyte but abundant cytoplasm and fine or coarse azurophilic granules; ultrastructural examination may reveal characteristic parallel tubular arrays; the LGLs are often >2x109/L. BTO:0003505 BrendaTissueOBO T-LGL cell T-cell large granular lymphocytic leukemia cell Tgamma lymphoproliferative disorder cell large granular lymphocytosis cell