Lecture 18 Skin Flashcards Preview

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Flashcards in Lecture 18 Skin Deck (32):
1

Where is vitamin D synthesised?

Skin

2

What are the layers of skin from outside to in?

Epidermis, dermis and subcutaneous tissue

3

What is a vesicle?

Raised clear fluid filled lesion

4

What is a bulla?

Raised clear fluid filled lesion >0.5cm

5

What is a macule?

Flat area, altered colour,

6

What is a patch?

Flat area altered colour or texture >0.5cm

7

What is a plaque?

Palpable scaling raised lesion >0.5cm. Red, scaly, bumpy, itchy. Elbows

8

What is a papule?

Solid raised lesion

9

What is a nodule?

Solid raised lesion >0.5cm with deeper component

10

What are papillomas?

wart like

11

Name the benign lesions

Fibroepithelial polyps, naevi, sebaceous cyst, seborrhoeic keratosis, haemangioma

12

What are fibroepithelial polyps?

Common in middle-aged and older people. Flesh coloured bag like lesion (mine).

13

Where are fibroepithelial polyps found?

Face, neck, axilla, groin, trunk.

14

What are naevi?

Proliferation of melanocytes (colour producing cells).

15

What are sebaceous cysts?

Term covers two types of cysts. Invagination of epithelium. Pilar cyst and epidermoid cyst.

16

What is seborrhoeic keratosis?

Middle aged and older people, spontaneous arrival. Head, neck and trunk

17

What is haemoangioma

vascular tumours of the dermis, children, bluey red surface.

18

What are the melignant lesions?

BCC, Bowen's disease, SCC, melanoma

19

What is BCC?

Basal cell carcinoma. Most common human cancer, slow growing, rarely metastasize. Sun exposed.

20

What is Bowen's disease?

Precursor to SCC. Epidermal dysplasia. Sun damage.

21

What is SCC?

Squamous cell carcinoma. Second commonest skin tumour. Sun exposed. Older people.

22

What is melanoma?

Skin cancer. Common. Sun damage skin. Very aggressive and spread widely.

23

Melanoma ABCDE

Asymmetry, border, colour, diameter and enlarge

24

What are the mentioned inflammatory conditions?

Raches, psoriasis, scabies and meningitis

25

What are rashes?

Inflam skin reactions, eczema "to boil over". Itching, burning, rash, blisters

26

What is psoriasis?

Elbows, knees, scalp and lubosacral area and glens penis. Salmon pink plaques with silver scaling.

27

What can psoriasis by associated with?

Nail changes, arthritis, myopathy, enteropathy and spondylic joint disease.

28

What is scabies?

Common, very itchy. Human scabies mites. Young and elderly. Skin to skin spread.

29

Where are scabies mites found?

Web spaces of fingers, palms, wrists, ankles and soles. Burrows are small greyish lines on skin

30

What conditions involve sin in systemic disease?

Meningitis, Systemic lupus erythematosus and internal malignancy

31

What are meningitis symptoms?

Unwell, headache, stiff neck, photopobia, aching limbs, cold hands and feed

32

What do people with meningococcal septicaemia develop?

rach of tiny pink prick spots -> devlop into purple bruising