What is the pathophysiology of pediatric acute lymphoblastic leukemia (ALL)?

Updated: Jan 02, 2019
  • Author: Vikramjit S Kanwar, MBBS, MBA, MRCP(UK), FAAP; Chief Editor: Jennifer Reikes Willert, MD  more...
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In acute lymphoblastic leukemia (ALL), a lymphoid progenitor cell becomes genetically altered and subsequently undergoes dysregulated proliferation, with clonal expansion. In ALL, the transformed lymphoid cells reflect the altered expression of genes usually involved in the normal development of B cells and T cells. Several studies indicate that leukemic stem cells are present in certain types of ALL.

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