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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
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©2013 UpToDate ® Print Email Comparison of the major features of the four acute porphyrias Deficient enzyme (sequence in pathway) Inheritance Neurological manifestations Blistering skin lesions ALA dehydratase porphyria (ADP) ALA dehydratase (2) Autosomal recessive Yes No Acute intermittent porphyria (AIP) PBG deaminase (3) Autosomal dominant Yes No Hereditary coproporphyria (HCP) Coproporphyrinogen oxidase (6) Autosomal dominant Yes Uncommon Variegate porphyria (VP) Protoporphyrinogen oxidase (7) Autosomal dominant Yes Common ALA: 5-aminolevulinic acid (delta-aminolevulinic acid); PBG: porphobilinogen.