Papulosquamous disorder
Encyclopedia
A papulosquamous disorder is a condition which presents with both papule
s and scales, or both scaly papules and plaques.
Examples include psoriasis
and lichen planus
.
Papule
A papule is a circumscribed, solid elevation of skin with no visible fluid, varying in size from a pinhead to 1 cm.With regard to the quote "...varying in size from a pinhead to 1cm," depending on which text is referenced, some authors state the cutoff between a papule and a plaque as 0.5cm,...
s and scales, or both scaly papules and plaques.
Examples include psoriasis
Psoriasis
Psoriasis is an autoimmune disease that appears on the skin. It occurs when the immune system mistakes the skin cells as a pathogen, and sends out faulty signals that speed up the growth cycle of skin cells. Psoriasis is not contagious. However, psoriasis has been linked to an increased risk of...
and lichen planus
Lichen planus
Lichen planus is a chronic mucocutaneous disease that affects the skin, tongue, and oral mucosa. The disease presents itself in the form of papules, lesions, or rashes. Lichen planus does not involve lichens, the fungus/algae symbionts that often grow on tree trunks; the name refers to the dry and...
.
External links
- http://cchs-dl.slis.ua.edu/clinical/dermatology/papulosquamous/index.htm
- http://www.usc.edu/student-affairs/Health_Center/adolhealth/content/b4derm4.html
- http://www.emedicine.com/derm/index.shtml#papulosquamous