Flashcards in Psoriasis Deck (36):
What % of the population are affected by psoriasis?
Does psoriasis cause scaring?
No but it can cause temporary discolouration
Is psoriasis generally predictable?
Generally not (although it can have triggers)
Can psoriasis affect anything other than skin?
Yes - nails and joints as well
What condition can be associated with ~30% of moderate to severe psoriasis?
What factors influence psoriasis?
Genetic and environmental
Is there a familial connection in psoriasis?
What does psoriatic skin look like?
Red and scaly
What is the underlying pathogenesis of psoriasis?
Increased rate of turnover of skin cells (from about 3-4 weeks to 3-4 days)
What are some common triggers?
What medications can trigger psoriasis?
What can happen on the hands and feet in psoriasis? Why?
Fissures can form as there is thickened skin there which cracks more due to the increased turnover of cells
What is the technical term for psoriatic skin changes?
How many patterns of psoriasis are recognised?
What are the 4 types of psoriasis patterns?
1. Chronic plaque
What is the most common pattern of psoriasis?
Chronic plaque psoriasis
How does chronic plaque psoriasis appear?
Plaques present on the knees, elbows, trunk and scalp most commonly
What is guttate psoriasis?
Small plaques over trunk and limbs usually precipitated by streptococcus infection
Where does palmoplantar psoriasis affect?
The hands and feet
Where does pustular psoriasis affect?
Trunk and limbs
How is pustular psoriasis different?
It is rare, the plaques are studded with tiny pus spots
What are the features of nail psoriasis? (4)
-Nail surface pitting
-Pink nail bed discolouration
-Nail plate and bed separation
Who diagnoses psoriasis?
Rheumatologist usually, but GP and dermatologist contribute
What is the PGA?
Physician global assessment
What does the PGA assess?
Overall impression of severity of psoriasis
What can be used to screen for psoriasis?
What does PEST stand for?
Psoriasis Epidemiology Screening Tool
Can psoriasis be cured?
How can psoriasis be treated initially?
Topical treatments such as creams, ointments, pastes and lotions
How does phototherapy work?
Controlled UV light is used to clear psoriasis
What tablets can be used for systemic treatment?
What can be injected to treat psoriasis?
Monoclonal antibodies such as adalimumab and infliximab
What are the 2 varitions of chronic plaque psoriasis?
Scalp psoriasis and flexural psoriasis
What does pustular psoriasis require?
Urgent care by a dermatologist