Parotid lymph node metastases from primary intra-oral squamous carcinomas.
Intra-oral carcinomas, depending on their primary sites, metastasis to various groups of cervical lymph nodes. Tumour involvement of the lymph nodes related to the parotid gland is unusual and controversy exists in the literature as to whether direct drainage from the oral cavity to parotid nodes is possible. The possible mechanisms of spread to the parotid nodes are reviewed. 2 cases of intraoral carcinoma which involved the parotid lymph nodes are reported.