[Neuroendocrine tumor of the submandibular gland. Report of one case and review of literature].

Report on one case of primary neuroendocrine tumor of the submandibularis gland, early detected without initial spread. Immunohistochemistry and electron microscopy were realized in order to determine the presence of intracytoplasmatic hypersecretory thick granules, these being the laboratory trials to differentiate between neuroendocrine tumors and undifferentiate carcinomata. Bibliographic review and proposal of classification of this sort of tumors.