Dermatology 2:

Question 1

What advice would you give to someone with acne:

Answer 1

Not a disease or contagious

Not to pick at spots

Reduce sugar in diet

Don’t wash >2 times daily and use soap free

Warn initial therapy may take up to 8 weeks to work

Question 2

What is the bacteria in acne vulgaris?

Answer 2

propionbacterium

Builds up in the pilosebaceous gland

Question 3

What is the causes to psoriasis, what important investigations should be done with someone presenting with psoriasis and what is the management?

Answer 3

Causes:

• genetic
• Stress
• Step infection (guttate)
• Scarring (Keobner)
• Drugs (NSAIDs, lithium, beta blockers)
• Pregnancy

Investigations: 
- LFTs 
- HbA1c 
- Lipids 
\+
- BP 

Management:

• topical steroids + vitamin D analogues (Dovobet or Enstilar)
• coal tar

2nd line:

• UVB
• PUVA
• Methotrexate
• Ciclosporin

3rd line:
- Ustekinumab

Question 4

What is the grading used for skin pigmentation i.e. white to black?

Answer 4

Fitzpatrick score

Question 5

What are some risk factors for skin cancer?

Answer 5

Low Fitzpatrick score
- fair skin

UV exposure

• lots of holiday abroad
• use of beds

Previous skin burns

Immunosuppression medication

Previous skin cancer

Multiple benign moles

Question 6

What is the major signs that a skin lesion is cancerous?

Answer 6

change in size

Change in shape and irregularity

Irregular colour

Question 7

What is the most common cause of skin cancer in UK?

Answer 7

Basal cell carcinoma

- Rodent ulcer