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- Absence of Laryngeal click or crepitusClassical sign in post-cricoid malignancy.Bocca`s sign - is also an absence of post-cricoid click or crackle in cricoid malignancy.Ref: Hazarika; 3rd ed; Pg 534