Head and Neck Flashcards
1
Q
Methods of classifying flaps
A
- Vascular supply
- random supply
- axial supply (by named vessel) - local, regional, free tissue
- Components of flap
- cutaneous
- fasciocutaneous
- musculocutaneous
- osseocutaneous
- Design/Method of transfer of flap
- advancement - V to Y, island
- rotation - cervicofascial, Karapandzic
- transposition - Z-plasty, rhombic, bilobed
- Interpolated - melolabial, paramedia forehead
- Free transfer
2
Q
Pseudoaneurysm vs. True aneurysm
A
3
Q
Pathology of Verrucous carcinoma (description)
A
- broad rete pegs
- respect for basement membrane
- pushing not infiltrating
- inflammatry response
- marked surface keratinization
4
Q
Oral cavity cancer subsite
(and 4 most popular, in order most to least)
A
Lip (40%) > tongue (25%) > FOM (15%) > Gingival/alveolus (10%)
Buccal
Hard palate
5
Q
Indications for neck dissection in oral SCCa
A
- depth > or = 4mm
- ulceration
- perineural invasion
- lymphovascular invasion
6
Q
Survival factors in FOM cancer
A
- T stage (Tis-1/T2/T3 and 4)
- N stage (0,1/2,3/X)
- Extracapsular spread
- tumor depth (5mm)
UHN 10 year experience
80% 5 year survival. 14% dead from FOM disease
