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J Oral Pathol. 1987 Jan;16(1):18-26.

Benign lymphoid hyperplasia of the palate.


Seven patients with benign lymphoid hyperplasia of the palate are reported. Clinically, these lesions presented as painless non-ulcerated masses that were unilateral in 6 of the cases and bilateral in one. Microscopically, the lesions were characterized by a mixed lymphoid infiltrate, germinal centres and vascular channels with hyperplasia of endothelial cells. The patients were followed for 3-10 years subsequent to diagnosis. One patient had 2 sequential lesions on opposite sides of the palate. Another patient with lesions of both submandibular salivary glands in addition to the palate developed rheumatoid arthritis, xerophthalmia and serologic changes consistent with systemic autoimmune disease. To date, none of the patients developed signs and symptoms of lymphoma or leukemia. The etiology of these lesions is unknown. Their distinction from lymphoma of the palate, as well as their possible relationship to the benign lymphoepithelial lesion of palatal mucous glands, is discussed.

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