Superficial to musculature (deep to subcutaneous tissue)
Normal value for the internal nasal valve
10-15 degrees
Which turbinate may hypertrophy to cause nasal airway obstruction
Inferior
Intercanthal distance
Where is a marginal incision made
Caudal border of the medial to lateral crura
The anterior ethmoidal, dorsal nasal, and external nasal arteries derive from what artery?
Ophthalmic
Normal overlap of the nasal bones with the upper lateral cartilages
6mm
What physical exam maneuver and then what objective test are used to assess nasal airflow
Cottle Test
Rhinomanometry
What is a tension nose
High nasal dorsum from excess quadrangular cartilage with inferior displacement of the nasal tip cartilages
Where is a hemitransfixion incision made
Through the vestibular skin on one side of the membranous septum
2-3mm above it
What is the lateral crural complex
LLC and Accessory Cartilages
What may happen with over resection of the inferior turbinate, in regards to airflow/congestion
Empty nose syndrome
Angle between the two MIDDLE (not medial) crura; 30-60 degrees
What is the correct plane for elevating an open rhinoplasty
Supraperichondrial (submuscular)
What artery is sacrificed in an open rhinoplasty
Columellar
Dorsal hump reduction in short nasal bones results in what issue
Collapse of the ULC and the inverted V deformity
What is a concha bullosa
Middle turbinate enlargement due to an enlarged air cell
When is sensation to the nasal tip expected to return after open rhinoplasty
What is the complication of concern with a full transfixion incision
Decreased tip projection
Where does the lateral nasal vein run
Over the perichondrium of the middle vault
What graft, placed from piriform aperture to alar side wall, corrects external nasal valve collapse
Alar batten graft
What is Webster's triangle
A small triangle of bone at the piriform aperture base that maintains the inferior turbinate in a lateralized position (don't medialize this during osteotomy)
When is edema expected to resolve after open rhinoplasty
12 months
What is the cause of a persistent bulbous tip after cephalic trim and suture manipulation (transdomal sutures, etc) has been performed
Convexity of the LLC