PRIMARY LYMPHOMA OF MUCOSA-ASSOCIATED LYMPHOID-TISSUE (MALT) IN THE PAROTID-GLAND

Malignant lymphoma of the parotid gland is a rare condition. In a seri es of 365 malignant lymphomas of the head and neck seven cases (1.9%) presented with a stage I/II MALT lymphoma of the parotid gland, origin ating from Mucosa Associated Lymphoid Tissue (MALT) and exhibiting the histological criteria of a centrocyte-like cell proliferation, surrou nding reactive B-cell follicles. There were six men and one woman with a mean age of 50.1 years. In four patients the parotid mass was prese nt for more than one year. Complete remission was obtained by radiothe rapy (40 Gy). Prognosis for this group was found to be favourable with a follow-up ranging from 1.5 to 10 years.