Nihon rinsho. Japanese journal of clinical medicine
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Examination was made of sclerodermoid changes in porphyria cutanea tarda (PCT) and PCT in association with true scleroderma. Although sclerodermoid change in PCT is rare in Japan, it is important in the diagnosis of PCT when there are few other clinical signs characteristic of PCT. ⋯ Elevated uroporphyrin due to PCT may possibly increase cutaneous sclerosis in PSS. A diagnosis of PCT should be considered for patients presenting scleroderma, since it is difficult to distinguish sclerodermoid changes from true scleroderma.