Abstract
Multiple intra- and paraglandular lymph nodes develop in the parotid gland, including salivary gland tissue with acinar and ductal formations. In the same way heterotopic salivary gland tissue can be localized in cervical lymph nodes. Except for the frequently occurring Warthin tumours, primary salivary gland tumours, which develop in the lymph nodes of the parotid gland or the cervical lymph nodes, are rare. Examples of these are adenomas (pleomorphic adenoma, basal cell adenoma) and carcinomas (acinic cell carcinoma, mucoepidermoid carcinoma, sebaceous gland carcinoma). Three of our own observations (sebaceous lymphadenoma, acinic cell carcinoma, mucoepidermoid carcinoma) are analysed. The condition for the diagnosis of primary salivary gland tumour within a lymph node is reliable evidence that the salivary gland tissue is tumour-free and that no other occult carcinoma is present.
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