This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
A patient presents with bleeding from the ear, pain tinnitus and progressive deafness. On examination, there is a red swelling behind the intact tympanic membrane which blanches on pressure with pneumatic speculum. Management includes all except: 
Select and explain. 
A. Radiotherapy, B. Surgery, C. Interferons, D. Pre-operative embolisation
C: Interferons
Answer: C: Interferons 
Explanation: With the symptoms provided, diagnosis is glomus tumour behind the intact tympanic membrane. It has presented with a reddish mass with profuse bleeding depending on the extent of disease and age of the patient. All other options are true.