Skull Bon Variations in Patient with Congenital Unilatral Choanal Atresia

"Thickened Medial Pterygoid Plates In bony atresia, excessive thickening of the medial pterygoid plates is common. Narrowing or Fusion of the Posterior Choanae Complete bony or membranous obstruction at the choanal opening. Abnormal Sphenoid Bone Development Hypoplasia or deformity in the sphenoid sinus, affecting adjacent structures. Vomer Deviation or Hypertrophy The vomer bone is often displaced or abnormally thickened, contributing to obstruction.~Abnormal Development of the Hard Palate"