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June 1971


Author Affiliations

University of California School of Medicine San Francisco 94122

Arch Dermatol. 1971;103(6):677-678. doi:10.1001/archderm.1971.04000180103015

To the Editor.—  We appreciate the opportunity to respond to the letter of Marks and Schuster from the University of Newcastle upon Tyne, England. We found their letter witty and erudite and would like to address some of the issues they raised.We were aware of their writings on the subject of "psoriatic enteropathy" and included biochemical evidence from our small series of patients that was at some variance from their reported cases. The patients that we selected were in various stages of treatment, but all had severe disease and, accordingly, should have demonstrated the biochemical determinations of malabsorption according to their own criteria. They did not. For this reason we specifically included a chart showing the percentage body area involved with psoriasis at the time of the study.We are pleased that they have reversed their initial contention that the morphological appearance of small bowel mucosa in patients with

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