sun damaged skin and non-melanoma skin cancers

Question 1

actinic keratosis / solar keratosis

treatment options

Answer 1

cryotherapy as first line - 5 second shot
topical field therapy (if large areas)
- imiquimod 5% 3 days a week for 3-4 weeks
- fluorouracil 5% BD 2-4 weeks (face) 3-6 weeks (everywhere else)

Question 2

bowen’s disease - when does it need surgery

Answer 2

if hair follicles are involved

Question 3

bowen’s disease, no hair follicles involvment - treatment options

Answer 3

• first line is photodynamic therapy (referral)
• fluorouracil 5%, OD for 3-4 weeks
• imiquimod 5%, 5 days a week at night for 6 weeks

Question 4

imiquimod dosages for

• actinic keratosis
• bowen’s disease

Answer 4

AK - imiquimod 5% 3 days a week for 3-4 weeks

bowen’s disease - imiquimod 5%, 5 days a week at night for 6 weeks

Question 5

fluorouracil dosages for

• actinic keratosis (face / other)
• bowen’s disease

Answer 5

AK - fluorouracil 5% BD 2-4 weeks (face) 3-6 weeks (everywhere else)
bowen’s disease - - fluorouracil 5%, OD for 3-4 weeks