This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
Earliest symptom of glomus tumor is: 
Select and explain. 
A. Pulsatile tinnitus, B. Deafness, C. Headache, D. Veigo
A: Pulsatile tinnitus
Answer: A: Pulsatile tinnitus 
Explanation: Ans. A Pulsatile tinnitus "The two most common presenting symptoms of paraganglioma of temporal bone (Glomus tumor) are conductive hearing losso and pulsatile tinnnus" Hearing loss is conductive and slowly progressive Tinnitus is pulsatile and of swishing character", synchronous with pulse", and can be temporarily stopped by carotid pressure", Thus, both pulsatile tinnitus and deafness are seen in glomus tumor.