Basic Plastic Surgery

Question 1

What is a regional flap?

Answer 1

Flap of skin from the same area of the body

Question 2

What is the causative agent of tetanus?

Answer 2

Clostridium tetani

Question 2

What is a keloid scar?

Answer 2

Scar that extends beyond the original wound

Question 3

Where are hypertrophic scars more common on the body?

Answer 3

Central chest

Back of shoulders

Ears

Question 4

What is the difference between a graph and flap?

Answer 4

Graft is transferred from other site and depends on recipient site for vascular supply

Flap is transferred from other site that doesn’t require recipient vascular supply

Question 4

When is a flap required over a graph?

Answer 4

If the vascular bed is not sufficient

Need to cover a prosthetic material

Better appearnace

Question 5

What are silver containing dressing for?

Answer 5

Antibacterial

Question 6

What are vaccum dressings for?

Answer 6

Negative pressurised sponged pushed into wound; sucks out fluid and promotes angiogenesis

Question 8

Why do you get pressure sore?

Answer 8

Pressure causes local tissue ischaemia

Question 9

What is a split thickness skin graph?

Answer 9

One that requires recipient blood supply

Question 10

What is a hypertrophich scar?

Answer 10

Exaggerated normal remodelling response that remains in line with original wound

Question 12

What secondary intention healing?

Answer 12

Allowing a wound to heal by itself

Question 13

How do you treat a bite?

Answer 13

Thorough debridement

Antibiotics

Healing by secondary intention - don’t closed it immediately usually

Question 14

What are hydrogel dressing for?

Answer 14

Maintenance of moist wound

Question 15

What is the role for prophylactic antibiotics in wound infection?

Answer 15

Not generally used

Question 16

What is a full thickness skin graph?

Answer 16

Graph including dermis

Limited donor site availability due to requiring suture closuire

Question 17

What are alginate dressings for?

Answer 17

Absorption of wound exudate

Question 18

What are some causes of impaired wound healing?

Answer 18

Venous/arterial insufficiency

Immunosuppression/Steroids

Diabetes

Poor closure

Infection

Foreign bodies

Pressure

Smoking

Nutritional

Radiation

Question 19

Compare spilt and full-thickness skin graphs

Answer 19

Split

• Can cover larger area
• Easier take
• Don’t take adnexal structures
• Poor cosmesis

Full-thickness

• Better cosmesis
• Has adnexal
• Less contraction
• Smaller sites only - limited by donor/recipient site match

Question 20

What is the different between a local and regional flap?

Answer 20

Local is brought from directly adjacent to the wound

Regional is brought from a close by area eg forearm to wrist