Mc Ewans triangle is located on
MacEwen's triangle is bounded by temporal line,posterosuperior segment of bony external auditory canal and the line drawn as a tangent to the external canal. It is an impoant landmark to locate the mastoid antrum in mastoid surgery. Reference-Dhingra 6/e,p 6.
Mastoid antrum
Inner ear
Cochlea
Saccule
Ear