This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
Trotter's triad is seen in 
Select and explain. 
A. Nasopharyngeal carcinoma, B. Maxillary sinusitis, C. Maxillary carcinoma, D. Angiofibroma
A: Nasopharyngeal carcinoma
Answer: A: Nasopharyngeal carcinoma 
Explanation: Nasopharyngeal cancer can cause conductive deafness (eustachian tube blockage), ipsilateral temporoparietal neuralgia (involvement of CN V) and palatal paralysis (CN X)-- collectively called Trotter's triad. (Ref: Diseases of Ear, Nose and Throat, PL Dhingra, 7th edition, page 285)