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What is acute leukaemia ?
Predominance of blasts in the bone marrow and peripheral blood
Most often seen in children
What is Acute Lymphoblastic Leukaemia ?
• Commonly seen in children.
• Presence of lymphoblasts in the circulating blood and in the bone marrow.
• Most responsive to therapy.
What is Acute myeloid leukaemia (AML) ?
• Most often seen in adults.
• Predominance of myeloblasts.
• Responds to current therapy more poorly than ALL.
What is Chronic lymphocytic leukaemia (CLL) ?
Proliferation of neoplastic lymphoid cells
Usually seen in the elderly individuals (> 60 yrs old & in men).
Presence of smudge cells / basket cells.
What are the complications and clinical features of Chronic lymphocytic leukaemia (CLL) ?
Complications : Warm AIHA & Hypogammaglobulinaemia
Clinical features : i) indolent course, often with few symptoms ii) generalized lymphadenopathy and moderate hepatosplenomegaly iii) mean survival: 3-7 years
What is Chronic Myeloid Leukaemia (CML) ?
A neoplastic clonal proliferation of myeloid stem cells, the precursor cells of erythrocytes, granulocytes, monocytes and platelets.
One of the myeloproliferative syndromes.
Characterized by a reciprocal translocation between chromosomes 9 and 22.
What are the key features of Chronic Myeloid Leukaemia (CML) ?
Marked leukocytosis
Marked splenomegaly & modestly enlarged liver and lymph nodes
Can transform into blast crisis