Hereditary spherocytosis
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Hereditary spherocytosis
Pathology
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
Hereditary spherocytosis
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USMLE® Step 1 questions
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High Yield Notes
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Hereditary spherocytosis
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Questions
USMLE® Step 1 style questions USMLE
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The patient most likely has a defect in which of the following?
Memory Anchors and Partner Content
External References
First Aid
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Aplastic crisis
hereditary spherocytosis p. 417
Erythrocytes p. 415
hereditary spherocytosis p. 417
Hereditary spherocytosis p. 417
in anemia taxonomy p. 425
spherocytes in p. 423
Parvovirus B16
hereditary spherocytosis p. 417
Splenomegaly
hereditary spherocytosis p. 417
External Links
Summary
Hereditary spherocytosis (HS) is an autosomal dominant genetic disorder in which red blood cells are sphere-shaped instead of having the normal biconcave shape. These abnormal red blood cells break down prematurely, which can lead to anemia. Also, because of their abnormal shape, red blood cells in spherocytosis don't move through small blood cells efficiently as normal ones do, which can affect tissue oxygenation. People with hereditary spherocytosis can present with jaundice, splenomegaly, and features of anemia like pallor and fatigue.
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