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Year 2 > Skin surgery & tumour management > Flashcards

Flashcards in Skin surgery & tumour management Deck (31):
1

Which skin specimens should be sent to pathology?

All of them

2

What are the indications for skin biopsy for rashes and tumours?

Rashes - assist diagnosis
Tumours - assist diagnosis, remove cancer, cosmetics

3

What are the features of dermatofibroma?

Firm, increased pigment around rim

4

How does melanocytic naevi present?

Macule with a regular border, acquired during childhood/adolescence, depigmentation over years

5

What is the appearance of a basal cell papilloma?

Stuck on, cookie like

6

What is the system for looking at a malignant melanoma?

A - asymmetry
B - border
C - colour
D - diameter
E - evolution

7

How would you describe the blisters in bullous pemphigoid?

Large and tense

8

What are the limitations of skin biopsy in regard to rashes?

Many different skin conditions have the same histology (i.e different types of eczema)
One cause of a particular skin condition can have many different histology patterns (i.e drug eruption)

9

How can we treat a superficial basal cell carcinoma?

Photodynamic therapy
Topical chemotherapy

10

How might we treat pre-cancers?

Cryotherapy
Solaraze (NSAID)
5-FU (fluorouracil)
Photodynamic therapy
Imiquimod
Resurfacing

11

Why would a patient on steroids warrant special care for skin surgery?

Reduced wound healing
Immunosupression

12

Why might a smoker warrant special care for skin surgery?

Smoking is associated with poor wound healing and graft rejection

13

How do we treat malignant melanoma skin cancer?

Surgery
Radiotherapy
Chemotherapy often useless

14

Which nerve supplies the muscles of mastication?

Trigeminal

15

Which nerve supplies the muscles of facial expression?

Facial

16

Which nerve may be damaged in an (angle of) mandible fracture?

Mandibular branch of the trigeminal

17

Which nerve may be damaged in a zygoma fracture?

Maxillary branch of trigeminal (transmitted through the inferior optic foramen)

18

Name three muscles of facial expression

Frontalis, orbicularis oculi, orbicularis oris

19

Name the methods of local anaesthesia

Topical
Local
Nerve block
Field block

20

Name a local anaesthetic

Lignocaine

21

Why is adrenaline useful in a local anaesthetic?

Reduces bleeding and prolongs affect of anaesthetic

22

When should adrenaline be avoided in local anaesthetic?

End arteries (nasal cartilage, fingers, toes)

23

What are some complications of skin biopsy?

Bleeding
Wound dehiscence
Nerve damage
Loss of function
Infection
Scarring

24

When is electrosurgery used?

Haemostasis
Minor skin lesions (e.g tags)

25

When is a snip excision used?

Bulbous lesions which can be easily cut at the base

26

When is curettage used?

When the aim is for a minimally invasive procedure

27

When is shave excision used?

Small lesions that can be easily cut off

28

What are the positives of using a punch biopsy?

Quick, clean wound

29

What are the negatives of using a punch biopsy?

Round wounds do not heal well
Sample may be too small
Depth is hard to judge

30

What is the typical method of removal used in small skin lesions?

Elliptical excision

31

What types of surgery may be needed in larger lesions?

Grafts, flaps

Decks in Year 2 Class (72):