Trotter's triad is seen in
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)
Nasopharyngeal carcinoma
Maxillary sinusitis
Maxillary carcinoma
Angiofibroma
Pharynx