Pyruvate kinase deficiency
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Pyruvate kinase deficiency
Hematological system
Anemias
Iron deficiency anemia
Beta-thalassemia
Alpha-thalassemia
Sideroblastic anemia
Anemia of chronic disease
Lead poisoning
Hemolytic disease of the newborn
Glucose-6-phosphate dehydrogenase (G6PD) deficiency
Autoimmune hemolytic anemia
Pyruvate kinase deficiency
Paroxysmal nocturnal hemoglobinuria
Sickle cell disease (NORD)
Hereditary spherocytosis
Anemia of chronic disease
Aplastic anemia
Fanconi anemia
Megaloblastic anemia
Folate (Vitamin B9) deficiency
Vitamin B12 deficiency
Fanconi anemia
Diamond-Blackfan anemia
Heme synthesis disorders
Acute intermittent porphyria
Porphyria cutanea tarda
Lead poisoning
Coagulation disorders
Hemophilia
Vitamin K deficiency
Platelet disorders
Bernard-Soulier syndrome
Glanzmann's thrombasthenia
Hemolytic-uremic syndrome
Immune thrombocytopenic purpura
Thrombotic thrombocytopenic purpura
Mixed platelet and coagulation disorders
Von Willebrand disease
Disseminated intravascular coagulation
Heparin-induced thrombocytopenia
Thrombosis syndromes (hypercoagulability)
Antithrombin III deficiency
Factor V Leiden
Protein C deficiency
Protein S deficiency
Antiphospholipid syndrome
Lymphomas
Hodgkin lymphoma
Non-Hodgkin lymphoma
Leukemias
Chronic leukemia
Acute leukemia
Leukemoid reaction
Leukemoid reaction
Dysplastic and proliferative disorders
Myelodysplastic syndromes
Polycythemia vera (NORD)
Myelofibrosis (NORD)
Essential thrombocythemia (NORD)
Langerhans cell histiocytosis
Mastocytosis (NORD)
Plasma cell dyscrasias
Multiple myeloma
Monoclonal gammopathy of undetermined significance
Waldenstrom macroglobulinemia
Hematological system pathology review
Microcytic anemia: Pathology review
Non-hemolytic normocytic anemia: Pathology review
Intrinsic hemolytic normocytic anemia: Pathology review
Extrinsic hemolytic normocytic anemia: Pathology review
Macrocytic anemia: Pathology review
Heme synthesis disorders: Pathology review
Coagulation disorders: Pathology review
Platelet disorders: Pathology review
Mixed platelet and coagulation disorders: Pathology review
Thrombosis syndromes (hypercoagulability): Pathology review
Lymphomas: Pathology review
Leukemias: Pathology review
Plasma cell disorders: Pathology review
Myeloproliferative disorders: Pathology review
Assessments
Pyruvate kinase deficiency
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Pyruvate kinase deficiency
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USMLE® Step 1 style questions USMLE
of complete
Sucrose hemolysis test is positive. The patient's condition is most likely attributed to which of the following?
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Hemolytic anemia p. 429
pyruvate kinase deficiency and p. 417
Pyruvate kinase deficiency p. 417
in anemia taxonomy p. 425
echinocytes in p. 422
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Summary
Pyruvate kinase deficiency is an inherited disorder caused by a mutation in the gene that codes for the enzyme pyruvate kinase. This enzyme is responsible for catalyzing the breakdown of glucose to form pyruvate. Without functional pyruvate kinase, the body is unable to properly convert glucose into energy, which affects the survival of red blood cells and causes them to break down (hemolysis). Symptoms include anemia, fatigue, splenomegaly, and jaundice. Treatment options include blood transfusions, splenectomy for massive splenomegaly, or allogeneic bone marrow transplantation.
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