Pediatric Hematology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
central line-associated bloodstream infection
A serious complication in immunocompromised pediatric hematology patients with central venous catheters. Often abbreviated as CLABSI.
acute chest syndrome
A life-threatening complication of sickle cell disease characterized by chest pain, fever, and new pulmonary infiltrates...
acute lymphoblastic leukemia
The most common form of childhood leukemia, characterized by overproduction of immature white blood cells.
acute myeloid leukemia
Rapidly progressing cancer of myeloid cells in the bone marrow, less common than ALL in children but requiring intensive...
ALL
Acute lymphoblastic leukemia. The most common childhood cancer, characterized by malignant transformation of lymphoid pr...
alloimmunization
Development of antibodies against foreign red blood cell antigens following transfusion or pregnancy.
alpha-thalassemia
Inherited hemoglobin disorder caused by deletions or mutations in alpha-globin genes, resulting in reduced alpha-chain p...
aplastic anemia
Rare blood disorder where bone marrow fails to produce adequate blood cells in children.
autosplenectomy
Progressive loss of splenic function due to repeated infarctions, commonly occurring in children with sickle cell diseas...
beta-globin gene cluster
A group of genes on chromosome 11 that encode the beta-globin chains of hemoglobin. Mutations in this cluster cause beta...
beta-thalassemia intermedia
A moderate form of beta-thalassemia with anemia that is less severe than thalassemia major but more significant than tha...
blast cells
Immature blood cells that, when present in high numbers, may indicate leukemia in children.
blast phase
Advanced stage of chronic myeloid leukemia characterized by ≥20% blasts in blood or bone marrow, indicating transformati...
bone marrow aspirate
Liquid sample of bone marrow obtained through needle aspiration, used for cytological analysis and flow cytometry in ped...
central line-associated bloodstream infection
A serious complication in immunocompromised pediatric hematology patients with central venous catheters. Often abbreviat...
chelation therapy
Treatment to remove excess iron from the body in children receiving frequent blood transfusions.
chronic transfusion therapy
Long-term regular blood transfusions administered to prevent complications in patients with severe sickle cell disease o...
congenital dyserythropoietic anemia
A rare inherited disorder characterized by ineffective red blood cell production with distinctive morphologic abnormalit...
congenital neutropenia
A group of inherited disorders characterized by persistently low neutrophil counts, predisposing children to recurrent i...
crizanlizumab
Humanized monoclonal antibody that blocks P-selectin to reduce frequency of vaso-occlusive crises in sickle cell disease...
cytarabine
A chemotherapy agent that is a cornerstone of acute leukemia treatment in children. Also known as ara-C.
dactylitis
Painful swelling of fingers or toes, commonly seen as an early manifestation of sickle cell disease in young children.
desmopressin
Synthetic vasopressin analog that increases factor VIII and von Willebrand factor levels for treating mild bleeding diso...
diamond-blackfan anemia
Rare inherited bone marrow failure syndrome characterized by pure red blood cell aplasia presenting in early infancy.
enoxaparin
Low molecular weight heparin used for anticoagulation in pediatric patients with thrombotic complications or central lin...