A. It occurs due to over-resection of the bony hump
B. It occurs due to under-resection of the cartilaginous pyramid at the anterior septal angle
C. It occurs due to fullness of the middle third of the nose
D. It occurs due to poor supratip re-drapage with a thick skin
E. It occurs due to postoperative tip ptosis.
REFERENCES & ANSWER
Adamson P.A: The Over-Resected Nasal Dorsum, Revision Rhinoplasty, Facial Plastics Surgery Clinics of North America, Volume 3, Number 4, pp. 412-413, Nov. 1995
Becker D. G.: Complications in Rhinoplasty, Chapter 49, Facial Plastic and Reconstructive Surgery, Thieme Medical Publishers, Third edition (Ira Papel, editor) pp. 639-648, 2009
Kim D. W., Lopez M. A., Toriumi D. M.: Revision Rhinoplasty, Chapter 39 in Cummings Otolaryngology-Head and Neck Surgery, Fifth edition, Volume one, Mosby Elsevier, 2010, pp. 580-594
209) C It occurs due to fullness of the middle third of the nose
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