Head and Neck Merkel Cell Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** Merkel cell carcinoma that arises from the head and neck region. It usually arises from sun-exposed skin. Rare cases arising from the oral cavity and salivary glands have been reported.

**Synonyms:** - Head and Neck Lymph Nodes Merkel Cell Carcinoma - Head and Neck Merkel Cell Carcinoma of Unknown Primary