Hematologic Oncology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
extramedullary disease EM
Cancer involvement outside the bone marrow, occurring in organs or tissues not typically involved.
conditioning regimen
A preparative treatment protocol administered before stem cell transplantation to eliminate malignant cells and suppress...
consolidation therapy
Intensive treatment given after initial remission to eliminate remaining cancer cells and prevent relapse.
Coombs test
A laboratory test that detects antibodies attached to red blood cell surfaces or circulating in plasma.
cytarabine
A chemotherapy drug commonly used in the treatment of acute leukemias and some lymphomas, also known as ara-C.
cytogenetics
The study of chromosomes and chromosomal abnormalities, essential for hematologic malignancy classification and prognosi...
cytokine release syndrome
Acute systemic inflammatory response caused by massive cytokine release, often following immunotherapy.
cytokine storm
Severe inflammatory response characterized by excessive cytokine release. Life-threatening complication requiring immedi...
cytoreduction
Treatment aimed at reducing the number of abnormal cells in the blood or bone marrow before definitive therapy.
Daratumumab
A monoclonal antibody targeting CD38 used in multiple myeloma treatment, administered intravenously or subcutaneously.
Deauville score
Five-point scale for interpreting PET scan response in lymphoma patients. Standard imaging assessment tool.
diffuse large B-cell lymphoma
The most common type of non-Hodgkin lymphoma, characterized by large B-cell lymphoid cells that grow diffusely throughou...
dysplastic changes
Abnormal cellular morphology indicating disordered development or maturation in hematopoietic cells.
ECOG performance status
Standardized scale measuring patient functional status and ability to perform daily activities, crucial for treatment pl...
engraftment
The process by which transplanted stem cells establish themselves in the bone marrow and begin producing new blood cells...
essential thrombocythemia
A myeloproliferative neoplasm characterized by persistent elevation of platelet counts and megakaryocyte hyperplasia in...
extramedullary disease
Cancer involvement outside the bone marrow, occurring in organs or tissues not typically involved.
extramedullary hematopoiesis
Blood cell production outside bone marrow, occurring in myelofibrosis and other conditions. Compensatory mechanism for m...
febrile neutropenia
A medical emergency characterized by fever in the setting of severe neutropenia, indicating high risk for life-threateni...
FISH analysis
Fluorescence in situ hybridization test used to detect chromosomal abnormalities in hematologic cancers. Essential for d...
flow cytometry
A laboratory technique used to analyze and sort cells based on their physical and chemical characteristics for hematolog...
follicular lymphoma
An indolent B-cell lymphoma characterized by a follicular growth pattern and typically following a slowly progressive cl...
graft-versus-host disease
A potentially life-threatening complication following bone marrow or stem cell transplantation where donor cells attack...
graft-versus-leukemia effect
The beneficial immunologic reaction where donor immune cells recognize and eliminate residual malignant cells in the rec...
hairy cell leukemia
A rare B-cell malignancy characterized by lymphocytes with distinctive cytoplasmic projections resembling hairs.