Papillary cystadenoma lymphomatosum is otherwise called:
**Core Concept**
Papillary cystadenoma lymphomatosum, also known as Warthin's tumor, is a benign salivary gland neoplasm characterized by its distinctive histological features. It is a type of pleomorphic adenoma that predominantly affects the parotid gland.
**Why the Correct Answer is Right**
Warthin's tumor is a benign salivary gland tumor that arises from the terminal ducts and acini of the parotid gland. It is composed of lymphoid tissue, epithelial cells, and cystic spaces filled with a mucinous substance. The tumor is often associated with smoking and has a male predilection.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is not a correct synonym for Warthin's tumor.
**Option B:** This option is not a correct synonym for Warthin's tumor.
**Option D:** This option is not a correct synonym for Warthin's tumor.
**Clinical Pearl / High-Yield Fact**
Warthin's tumor is a benign tumor and does not metastasize, but it can cause local destruction and disfigurement if left untreated.
**Correct Answer: C. Warthin's tumor**