This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
Moure&;s sign can be detected in 
Select and explain. 
A. Nasopharyngeal carcinoma, B. Oropharyngeal carcinoma, C. Postcricoid carcinoma, D. Supraglottic carcinoma
C: Postcricoid carcinoma
Answer: C: Postcricoid carcinoma 
Explanation: Moure's sign: in normal persons, there is a click felt when the larynx is moved from side to side over the veebral column. The sign is absent in patients with post-cricoid carcinoma (Moure's sign positive). Ref: Internet sources