Hematologic Oncology Glossary
100 terms total — 8 showing — Last updated 15 Sep 2026
extramedullary disease EM
Cancer involvement outside the bone marrow, occurring in organs or tissues not typically involved.
acute lymphoblastic leukemia
A rapidly progressing cancer of the lymphoid blood cells, commonly abbreviated as ALL in medical documentation.
blast cell
An immature hematopoietic cell characterized by large size, high nuclear-to-cytoplasmic ratio, and prominent nucleoli.
blast crisis
An acute transformation of chronic myeloid leukemia characterized by increased immature blood cells and resembling acute...
Blinatumomab
A bispecific T-cell engager (BiTE) antibody that redirects T cells to target CD19-positive B cells in acute lymphoblasti...
complete blood count with differential
A comprehensive blood test that measures various blood components and provides detailed analysis of white blood cell typ...
leukoerythroblastic reaction
The presence of immature white and red blood cells in peripheral circulation, often indicating bone marrow stress or inf...
minimal/measurable residual disease
Low levels of cancer cells remaining after treatment, detected by highly sensitive laboratory techniques.
Myeloablative conditioning
High-dose chemotherapy and/or radiation therapy given before stem cell transplantation to eradicate malignant cells and...