Plastics

Question 1

Langer’s lines

Answer 1

Natural skin lines of minimal tension

Question 2

FTSG vs. STSG?

Answer 2

Full vs. split thickness skin graft

Question 3

Syndactyly

Answer 3

Webbed fingers

Question 4

Phases of wound healing

Answer 4

In Every Fresh Cut
Inflammation
Epitheliazation
Fibroplasia
Contraction

Question 5

Maximal contraction of a wound in a day?

Answer 5

0.75mm per day

Question 6

What degree of bacteria prevents epitheliazation?

Answer 6

Greater than 10^5 organisms

Question 7

Which contracts more FTSG or STSG?

Answer 7

Split, about 40%

Question 8

Marjolin’s ulcer?

Answer 8

Malignant ulcer associated with long standing scar/burn

Question 9

What is granulation tissue?

Answer 9

4-6 after wound
Development of capillary bed and fibroblasts
Healthy base
Resists infection

Question 10

Hypertrophic vs. keloid

Answer 10

Within vs. outside original wound

Question 11

Best way to clean wounds?

Answer 11

Normal saline

Solution to pollution is dilution

Question 12

What is STSG?

Answer 12

Split thickness: includes epidermis and part of dermis

Question 13

What is FTSG?

Answer 13

Full epidermis and dermis

Question 14

Better wound base: fascia vs. fat?

Answer 14

Fascia = blood supply

Question 15

Phases of graft taking

Answer 15

1. Plasmatic Imbibition (graft is fed via osmosis)
2. Inosculation (host tissues grow into graft vessels and join, also a thing at trees do)
3. Neovascularization (directional blood flow is established)”