Figure 3. Diagnosis Algorithm for Porphyria Cutaneous Symptoms
ADP, aminolevulinic acid dehydratase porphyria; AIP, acute intermittent porphyria; CEP, congenital erythropoietic porphyria; EPP, erythropoietic protoporphyria; HCP, hereditary coproporphyria; PCT, porphyria cutanea tarda; VP, variegate porphyria; XLPP, X-linked protoporphyria