McEwen’s triangle is a landmark for
Correct Answer: Mastoid surgery
Description: Mac Ewen's (Suprameatal) Triangle: Boundaries of the triangle are: a. Anteriorly: posterosuperior border of the bony external auditory canal along with the spine of Henle. b. Posteriorly: a veical line drawn tangential to the posterior margin of the external, canal. c. Superiorly: the supramastoid crest. It is land mark for exposure of lateral surface of mastoid.
Category:
Pathology
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