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Revista argentina de dermatología

versión On-line ISSN 1851-300X


IRIBAS, J L et al. Porphyria cutanea tarda: Five cases report. Rev. argent. dermatol. [online]. 2008, vol.89, n.1, pp.45-52. ISSN 1851-300X.

The porphyria cutanea tarda is the most frequent porphyria, it is a photodermatosis secondary to uroporphyrinogen decarboxylase deficiency; this enzyme belongs to the haem synthesis pathway. We present on this paper the evolution of five cases of PCT, four of them with familiar type and one of them sporadic type. In two patients belonging to PCT type II, we found alcohol addiction as a serious risk, while on the other patients PCT type I we found HCV positive serology. All patients were treated with chloroquine and phlebotomies. We could observe a good response not only clinical but biochemical. We could also see that the porphyrins urinary level continued descending once the drug was withdrew. Three of the patients with familiar PCT remains in clinical remission without any relapses in ten years of control. We advice all the patients that suffer PCT the detection of associated factors such as HCV, HIV, HH genes and the avoidance of the exogenous triggering factors such as excessive intake of alcohol, dietary iron and estrogen intake. Taking these advices into account, together with the correct treatment every patient can control this disease positively or satisfactorily.

Palabras clave : Porphyria cutanea tarda; Type I and II porphyria; HCV cutaneous manifestations.

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