Psoriasis Flashcards
What type of condition is psoriasis?
Chronic autoimmune disorder
How does psoriasis usually present?
Red, scaly, slightly erythematous patches on the skin
What are the different types of psoriasis?
Plaque psoriasis
Guttate psoriasis
Pustular psoriasis
Erythrodermic psoriasis
What is the main feature of plaque psoriasis?
Thickened erythematous plaques with silver scales
Seen on the extensor surfaces and scalp
What is the most common type of psoriasis?
Plaque psoriasis
How does plaque psoriasis present?
Well-demarcated red, scaly patches affecting the extensor surfaces, sacrum and scalp
How does guttate psoriasis present?
Multiple red, teardrop lesions
What is guttate psoriasis triggered by?
Streptococcal infection
Where on the body does pustular psoriasis usually occur?
On the palms and soles of the feet
What are the main clinical signs of psoriasis?
Auspitz sign
Koebner phenomenon
Residual pigmentation
What is Auspitz sign?
Small points of bleeding when plaques are scraped off
What is the koebner phenomenon?
The development of psoriatic lesions to areas of skin affected by trauma
When would you get residual pigmentation?
After the lesions have resolved
What is the management of psoriasis dependent on?
The severity of the condition
What is typically used in the management of psoriasis?
Topical steroids and vitamin D analogue
