592) Which of the following locations is that region overlying the zygomatic arch (“danger zone”) where injury to the temporal branch of the facial nerve is MOST likely?
A. It is between 1.5 cm anterior to the helical root and 1 cm posterior to the anterior end of the arch.
B. It is between 1 cm anterior to the helical root and 1.5 cm posterior to the anterior end of the arch.
C. It is between 2.5 cm anterior to the helical root and 2.5 cm posterior to the anterior end of the arch.
D. It is between 1.8 cm anterior to the helical root and 2 cm posterior to the anterior end of the arch.
E. It is between 2 cm anterior to the helical root and 1.8 cm posterior to the anterior end of the arch.
REFERENCES & ANSWER
Beck Weinberger M. S., Becker D.G., Toriumi D.M.: Rhytidectomy, Chapter 33 in Otolaryngology Head and Neck Surgery, (Cummings, Fredrickson, Harker, Krause, Richardson, Schuller, editors), Volume One, Third Edition, Mosby, pp. 648-650, 1998
592) D It is between 1.8 cm anterior to the helical root and 2 cm posterior to the anterior end of the arch
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