Clinicopathologic and histochemical characterization of submucosal deposits in snuff dipper's keratosis.

The article reports on the clinicopathologic correlation and histochemical characterization of submucosal deposits from three patients with snuff dipper's keratosis. Each patient underwent a thorough oral examination, and a complete history was obtained concerning the kind of snuff used, the frequency and duration of application, and other tobacco habits. A biopsy of the clinical white lesion was then obtained taking care to include submucosa and associated glandular elements. The findings indicates the staining characteristics of the submucosal deposits in the three cases of snuff dipper's keratosis.