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Ductal carcinoma of the salivary glands is a very rare tumor that primarily affects the parotid gland. It is characterized by its locoregional and metastatic aggressiveness and by its poor prognosis. We report the case of a 68-year-old man with right parotid tumor and with a final diagnosis of salivary ductal adenocarcinoma. We review the specific characteristics of this tumor, the treatment options and the clinical evolution. [ABSTRACT FROM AUTHOR]

Uvula primary carcinomas are rare tumors, and they are, even in early stages, very aggressive because of the high incidence of cervical metastasis. We report a case of primary carcinoma of the uvula diagnosed by positron emission tomography-computed tomography (PET-CT) during the study of cervical metastasis of occult primary. The PET-CT has become a useful test in patients with cervical metastasis from primary carcinomas of the head and neck of unknown origin, combining metabolic information from positron emission tomography and anatomic information of computed tomography. [ABSTRACT FROM AUTHOR]