Porphyrias The porphyrias are inherited disorders. porphyrias are metabolic disorders caused by altered activities of enzymes within the heme biosynthetic pathway Acute intermittent porphyria: Pyrroloporphyria; neuropsychiatric–abdominal -Aminolevulinic aciduria; neuropsychiatric–abdominal Congenital erythropoietic porphyria: Günther disease; severe dermatologic Hereditary coproporphyria: Neuropsychiatric, occasionally dermatologic Other rare genetic variants reported Porphobilinogen synthetase deficiency: Porphyria...
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