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  • Title: Helicobacter pylori and prurigo nodularis.
    Author: Neri S, Ierna D, D'Amico RA, Giarratano G, Leotta C.
    Journal: Hepatogastroenterology; 1999; 46(28):2269-72. PubMed ID: 10521979.
    Abstract:
    BACKGROUND/AIMS: Numerous data have suggested that there may be a relationship between Helicobacter pylori (H. pylori) infection and extragastric diseases, including dermatological pathologies. We studied some cases of Hide's Prurigo Nodularis (NP), a very itchy skin disease of unknown origin, in order to asses whether there is a pathogenic correlation between PN and H. pylori infection. METHODOLOGY: Prurigo Nodularis had been diagnosed clinically and histologically in 42 outpatients (27 females and 15 males with mean age of 62 +/- 5 years). All patients were screened for H. pylori infection by esophagogastroduodenoscopy, histologic examination and specific immuno-enzymatic determination. Specific pharmacological treatment was administered to all patients with H. pylori infection. RESULTS: H. pylori colonization was observed in 40/42 patients examined and 32/40 patients presented some immunologic alterations. After the pharmacological treatment, endoscopy and rapid urease test confirmed eradication of H. pylori in 39/40 cases; itching was greatly reduced in the latter and microscopic examination of repeated skin biopsies revealed an improved histologic picture in patients affected by PN associated with H. pylori infection. CONCLUSIONS: The concomitant presence of skin disease, H. pylori infection and immune disorders infers that there may be a pathogenic connection between bacterial infection and the inflammatory alteration of PN. We believe that the pharmacologic treatment induced remission of the skin lesions by direct control of H. pylori chronic infection; in fact, H. pylori may have triggered or enhanced the vasculitis which, in turn, may have enhanced the clinical signs and inflammatory histologic component of PN.
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