Hitzelberger’s sign is? – ENT MCQ

Hitzelberger’s sign is?
A. Reduced corneal sensitivity
B. Hypoesthesia of the posterior meatal wall
C. Paraesthesia of face
D. Delayed blink reflex

Correct answer : B. Hypoesthesia of the posterior meatal wall

Acoustic neuroma – MRI scan

• Hitzelberger’s sign is seen in acoustic neuroma.
• It occurs due to involvement of the 7th cranial nerve.
• There is early involvement of the sensory fibers which causes hypoesthesia of the posterior meatal wall.
• Paraesthesia of face and reduced corneal sensitivity occurs due to involvement of 5th cranial nerve.

Ref: Diseases of Ear, Nose and Throat by P.L. Dhingra, 5th edition, p124, 125.
Image credits: https://en.wikipedia.org/wiki/File:Akustikusneurinom_Mrt.jpg