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===== II. Platelet abnormalities =====
 
===== II. Platelet abnormalities =====
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#Thrombocytopenia: Diminished or defective platelet production: aplastic anemia, marrow infiltration (carcinoma, leukemia, myelofibrosis, tuberculosis, etc), infections, drugs that act on platelet production (alcohol, thiazide diuretics).Enhanced platelet destruction: idiopathic thrombocytopenic purpura, drug-induced, thrombotic thrombocytopenic purpura. ③Sequestration of platelets: hypersplenism
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#Thrombocytopenia:
#Thrombocytosis: Primary: essential thrombocythemia.Secondary: infections, injury, post-splenectomy chronic myelocytic leukemia, other myeloproliferative disorders (such as polycythemia vera)
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##Diminished or defective platelet production: aplastic anemia, marrow infiltration (carcinoma, leukemia, myelofibrosis, tuberculosis, etc), infections, drugs that act on platelet production (alcohol, thiazide diuretics).
#Functional abnormalities of platelets: Congenital: thrombasthenia, giant platelet syndrome (Bernard-Soulier syndrome). Acquired: due to drugs, uremia, liver diseases, dysproteinemias
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##Enhanced platelet destruction: idiopathic thrombocytopenic purpura, drug-induced, thrombotic thrombocytopenic purpura. ##Sequestration of platelets: hypersplenism
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#Thrombocytosis:  
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##Primary: essential thrombocythemia.
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##Secondary: infections, injury, post-splenectomy chronic myelocytic leukemia, other myeloproliferative disorders (such as polycythemia vera)
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#Functional abnormalities of platelets:  
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##Congenital: thrombasthenia, giant platelet syndrome (Bernard-Soulier syndrome).  
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##Acquired: due to drugs, uremia, liver diseases, dysproteinemias
    
===== III. Coagulation disorders due to coagulation factor deficiencies =====
 
===== III. Coagulation disorders due to coagulation factor deficiencies =====