<prompt> Skin is not involved in ?Erythropoietic porphyriaPorphyria cutanea tordaAcute intermittent porphyriaHereditary coproporphyria  <response>: Ans. is c i.e., Acute intermittent porphyria Type of Porphyria Neuropsychiatric symptoms Skin symptomsPhototoxicity Hepatic porphyrias Acute intermittent porphyri a 5-ALA dehydratase deficiency Hereditary coproporphyria Variegate porphyria Porphyria cutanea tarda _ _ _ Erythropoietic porphyrias Erythropoietic protoporphyria Congenital erythropoietic porphyria X-linked sideroblastic anemia _ _ _ _ 