What will be the most likely diagnosis in a 70 year old male with hypo-aesthesia of external auditory meatus (Histelberg's sign positive)?: (A) Mastoiditis, (B) Bells palsy, (C) Vestibular schwannoma, (D) Middle ear cholesteatoma
Answer is C. Hitzelberg's sign refers to hypo-aesthesia of the posterosuperior aspect of the external meatus. It is due to involvement of nervus intermedius (sensory root of VIIth nerve).