Head And Neck Recon

Question 1

Mullers muscle anatomy and innervation

Answer 1

Origin is deep surface of levator palpebrae superioris, inserts on tarsal plate, sympathetic innervation

Question 2

Levator palpebrae superioris anatomy and innervation

Answer 2

Origin from lesser wing of sphenoid at orbital apex, insertion at tarsal plate, innervated by oculimotor nerve(CN3)

Question 3

What is a tripier flap

Answer 3

Bipedicled myocutaneous flap of skin and orbicularis oculi used to reconstruct defects of lower lid anterior lamella

Question 4

What is a cutler beard flap

Answer 4

Two stage procedure used to recon large upper eyelid defects
Full thickness skin, orbicularis, conjunctiva are advanced from inferior to tarsal plate to upper eyelid defect
Cartilage graft used to reconstruct tarsal plate

Question 5

What is a Hughes flap

Answer 5

Eyelid sharing procedure, partial tarsus and conjunctiva from upper eyelid is used to recon lower lid posterior lamella (combined with skin graft or cheek advancement)

Question 6

What is a mustarde flap

Answer 6

Cheek advancement flap used to recon anterior lamella of lower eyelid
Can be combined with Hughes flap or composite graft for posterior lamella recon if needed

Question 7

What bones make up the orbit? (7)

Answer 7

Frontal, sphenoid, zygomatic, maxillary, ethmoid, lacrimal, palatine

Question 8

How many nasal subunits are there and what are they?

Answer 8

9- paired: sidewalls, ala, soft triangles
Unpaired: dorsum, columella, nasal tip

Question 9

Which mandible fracture has highest rate of infection

Answer 9

Mandibular angle

Question 10

What layers are you between for gillies approach to zygomatic arch fracture

Answer 10

Between temporalis muscle and deep layer of deep temporal fascia