T-cell large granular lymphocyte leukemia
(… sel larj GRAN-yoo-lur LIM-foh-site loo-KEE-mee-uh)
A type of leukemia in which large T lymphocytes (a type of white blood cell) that contain granules (small particles) are found in the blood. It is a chronic disease that may last for a long time and get worse. Also called T-LGL leukemia.