MedicalTerminology DB

Meaning of T-cell large granular lymphocyte leukemia: 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.

Definition of T-cell large granular lymphocyte leukemia

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.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.