CASE 74

History: A 50-year-old man presents with right neck swelling but no dysphagia or dysphonia.

1. Which of the following should be included in the differential diagnosis of the imaging finding shown in the figures? (Choose all that apply.)

A. Lymphoma

B. Kaposi’s sarcoma

C. Metastatic melanoma

D. Squamous cell carcinoma

E. Gastrointestinal stromal tumor

2. What is the most common tumor of the pharynx?

A. Lymphoma

B. Kaposi’s sarcoma

C. Metastatic melanoma

D. Squamous cell carcinoma

3. What is the most common risk factor for the development of pharyngeal cancer?

A. Tobacco

B. Betel nut

C. Epstein-Barr virus

D. Human papillomavirus

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