| Abstrakt: |
To the Editor:—Recently I have been impressed with a series of cases in which the presenting complaint was the common problem of metal sensitivity. These patients are for the most part sensitive to nickel, which is alloyed into a large number of metallic products which contact the skin, eg, jewelry, buckles, garters, and snaps. I have been impressed by the considerable number who have a history of active or healed duodenal ulcer (x-ray-proven). Whether this observation is true to the point of being able to withstand controlled study is difficult to say. Since our knowledge of the pathogenesis of duodenal ulcer is incomplete, conjecture regarding something more than a coincidence between the metal sensitivity and the ulceration could be useful and worthy of presentation.Cross sensitivity reactions between contact dermatitis of the skin and the mucosa have been demonstrated, as in acrylic dermatitis due to dentures. Whether this mucosal |
