All are true regarding mucocele of frontal sinus except? – ENT MCQ

All are true regarding mucocele of frontal sinus except?
A. Cystic tender swelling
B. Egg shell crackling can be elicited
C. Displaces the eyeball downward and laterally
D. Treatment is frontoethmoidectomy

Correct answer : A. Cystic tender swelling

Paranasal sinusesParanasal sinuses – Frontal Sinus (1), Ethmoid Sinus (2), Sphenoid Sinus (3), Maxillary Sinus (4)

  • Mucocoele of the frontal sinus is a cystic non tender swelling.
  • It can displace the eyeball forward, downward and laterally.
  • The patient presents with headache, diplopia and proptosis.
  • Treatment is frontoethmoidectomy which facilitates free drainage of frontal sinus into the middle meatus.

Ref: Diseases of Ear, Nose and Throat by P.L. Dhingra, 5th edition, p211.

Image credits: Patrick J. Lynch. Derivative work: M. Komorniczak.  Licensed under Creative Commons 3.0. Attribution-Share Alike license.  https://commons.wikimedia.org/wiki/File:Paranasal_sinuses_numbers.svg

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