Mucoperichondrial flap in septoplasty is made on
In cases of deted septum, make a slightly curvilinear incision, 2-3 mm above the caudal end of septal cailage on the concave side (Killian's incision). In case of caudal dislocation, a transfixion or hemitransfixion (Freer's) incision is made. The latter is septocolumellar incision between caudal end of septal cailage and columella. Raise mucoperichondrial or mucoperiosteal flap on one side only. Separate septal cailage from the vomer and ethmoid plate and raise mucoperiosteal flap on the opposite side of septum. Ref: Dhingra 7e pg 473.
Alar cailage
Septal cailage
Maxillary spine
Sphenoid spine
Diagnostic and operative ENT