Salivary Duct Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An aggressive, high grade adenocarcinoma that arises from the salivary glands. It usually affects elderly males and presents as a rapidly enlarging mass. It metastasizes to regional lymph nodes and distant anatomic sites.

**Synonyms:** - Carcinoma of Salivary Duct - Carcinoma of the Salivary Duct - High Grade Salivary Duct Carcinoma - SDC - Salivary duct carcinoma