Porphyria cutanea tarda
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Porphyria cutanea tarda
Hematological system
Anemias
Autoimmune hemolytic anemia
Glucose-6-phosphate dehydrogenase (G6PD) deficiency
Hemolytic disease of the newborn
Hereditary spherocytosis
Paroxysmal nocturnal hemoglobinuria
Pyruvate kinase deficiency
Sickle cell disease (NORD)
Fanconi anemia
Folate (Vitamin B9) deficiency
Megaloblastic anemia
Vitamin B12 deficiency
Alpha-thalassemia
Anemia of chronic disease
Beta-thalassemia
Iron deficiency anemia
Lead poisoning
Sideroblastic anemia
Anemia of chronic disease
Aplastic anemia
Diamond-Blackfan anemia
Fanconi anemia
Dysplastic and proliferative disorders
Langerhans cell histiocytosis
Mastocytosis (NORD)
Essential thrombocythemia (NORD)
Myelodysplastic syndromes
Myelofibrosis (NORD)
Polycythemia vera (NORD)
Leukemoid reaction
Leukemoid reaction
Mixed platelet and coagulation disorders
Disseminated intravascular coagulation
Heparin-induced thrombocytopenia
Von Willebrand disease
Thrombosis syndromes (hypercoagulability)
Antiphospholipid syndrome
Antithrombin III deficiency
Factor V Leiden
Protein C deficiency
Protein S deficiency
Hematological system pathology review
Coagulation disorders: Pathology review
Extrinsic hemolytic normocytic anemia: Pathology review
Heme synthesis disorders: Pathology review
Intrinsic hemolytic normocytic anemia: Pathology review
Leukemias: Pathology review
Lymphomas: Pathology review
Macrocytic anemia: Pathology review
Microcytic anemia: Pathology review
Mixed platelet and coagulation disorders: Pathology review
Myeloproliferative disorders: Pathology review
Non-hemolytic normocytic anemia: Pathology review
Plasma cell disorders: Pathology review
Platelet disorders: Pathology review
Thrombosis syndromes (hypercoagulability): Pathology review
Assessments
Porphyria cutanea tarda
Flashcards
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USMLE® Step 1 questions
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High Yield Notes
4Â pages
Flashcards
Porphyria cutanea tarda
of complete
Questions
USMLE® Step 1 style questions USMLE
of complete
A defect in which of the following steps of the heme biosynthesis pathway is most likely responsible for this patient’s symptoms?
External References
First Aid
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Porphyria cutanea tarda p. 432
Sporadic porphyria cutanea tarda p. 171
Summary
Porphyria cutanea tarda is a rare metabolic disorder that is caused by an abnormality in the enzyme uroporphyrinogen decarboxylase. Symptoms of this disorder usually involve the skin, as it can lead to blisters and skin discoloration. Treatment for this disorder usually involves medications such as hydroxychloroquine and phlebotomy, as well as lifestyle changes such as avoiding alcohol.
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