[Camera-scintigraphy of the salivary glands with technetium 99m-pertechnetate].
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Necrotizing sialometaplasia occurred in a 55-year-old woman. The ulcerated lesion on the hard palate was treated conservatively and resolved spontaneously in about three months. The histology of the lesion consisted of coagulative necrosis of the salivary gland lobules and prominent squamous metaplasia within adjacent viable lobules. Since this benign lesion has frequently been mistaken for mucoepidermoid carcinoma or squamous cell carcinoma, recognition of it may spare the patient a radical surgical procedure.
The authors describe 13 cases of hypertrophic sialosis and discuss possible mechanisms which could explain their appearance. In spite of different etiologies there is uniformity in the reactions produced. The authors therefore compared the clinical findings with those reported from animal experiments in which such lesions were artificially produced. Whether the processes of cellular hyperplasia and hypertrophy observed are related to an autonomic nervous system disorder, is open to question.
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