Head and Neck Q10

A 42-year-old man presents to ENT clinic with a neck lump. He is otherwise asymptomatic. He occasionally drinks alcohol and smokes. The lump is located 7 cm below the right ear lobe, just anterior to the anterior border of the sternocleidomastoid muscle. A biopsy is taken. Pathology results indicate squamous cell carcinoma (SCC) that is p16 positive.

What is the most likely primary site?

  • A) Nasopharynx
  • B) Oral cavity
  • C) Thyroid
  • D) Oropharynx
  • E) Larynx