Lecture 18 Skin Flashcards Preview

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Flashcards in Lecture 18 Skin Deck (32)
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1
Q

Where is vitamin D synthesised?

A

Skin

2
Q

What are the layers of skin from outside to in?

A

Epidermis, dermis and subcutaneous tissue

3
Q

What is a vesicle?

A

Raised clear fluid filled lesion

4
Q

What is a bulla?

A

Raised clear fluid filled lesion >0.5cm

5
Q

What is a macule?

A

Flat area, altered colour,

6
Q

What is a patch?

A

Flat area altered colour or texture >0.5cm

7
Q

What is a plaque?

A

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

8
Q

What is a papule?

A

Solid raised lesion

9
Q

What is a nodule?

A

Solid raised lesion >0.5cm with deeper component

10
Q

What are papillomas?

A

wart like

11
Q

Name the benign lesions

A

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

12
Q

What are fibroepithelial polyps?

A

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

13
Q

Where are fibroepithelial polyps found?

A

Face, neck, axilla, groin, trunk.

14
Q

What are naevi?

A

Proliferation of melanocytes (colour producing cells).

15
Q

What are sebaceous cysts?

A

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

16
Q

What is seborrhoeic keratosis?

A

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

17
Q

What is haemoangioma

A

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

18
Q

What are the melignant lesions?

A

BCC, Bowen’s disease, SCC, melanoma

19
Q

What is BCC?

A

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

20
Q

What is Bowen’s disease?

A

Precursor to SCC. Epidermal dysplasia. Sun damage.

21
Q

What is SCC?

A

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

22
Q

What is melanoma?

A

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

23
Q

Melanoma ABCDE

A

Asymmetry, border, colour, diameter and enlarge

24
Q

What are the mentioned inflammatory conditions?

A

Raches, psoriasis, scabies and meningitis

25
Q

What are rashes?

A

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

26
Q

What is psoriasis?

A

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

27
Q

What can psoriasis by associated with?

A

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

28
Q

What is scabies?

A

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

29
Q

Where are scabies mites found?

A

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

30
Q

What conditions involve sin in systemic disease?

A

Meningitis, Systemic lupus erythematosus and internal malignancy

31
Q

What are meningitis symptoms?

A

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

32
Q

What do people with meningococcal septicaemia develop?

A

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