What is the most common type of lichen planus?
Clinical Presentation
- The classic appearance of skin lesions includes violaceous polygonal flat-topped papules and plaques (Figure 1).
- While this “classic” form of cutaneous lichen planus is the most common, other variants do exist and exhibit various morphologies.
What are the different types of lichen planus?
The clinical presentation of lichen planus has several forms: actinic (in sun-exposed areas), annular, atrophic, erosive, follicular, hypertrophic, linear, pigmented, and vesicular/bullous.
What kind of disease is lichen planus?
Lichen planus (LP) is a rare, chronic, inflammatory autoimmune skin and mucous membrane disease. LP most commonly presents as itchy, shiny, reddish-purple spots (lesions) on the skin (cutaneous LP) or as white-gray lesions in the mouth or on the lips (oral LP).
What is the difference between lichen sclerosus and lichen planus?
It occurs more commonly in people who have gone through menopause. The difference between lichen planus and lichen sclerosus is that lichen sclerosus rarely affects the mucous membranes in your mouth.
What is lichens simplex Chronicus?
Lichen simplex chronicus (LSC) is a skin condition caused by chronic itching and scratching. Lichen simplex chronicus is also known as neurodermatitis. A minor itch may encourage scratching which increases the irritation, leading to more scratching.
What can be mistaken for lichen sclerosus?
Lichen sclerosus is often mistaken for thrush so see your doctor if you are often itchy in the vulvar or anal area. There are treatments that can help you successfully manage the symptoms.
What autoimmune disease is lichen sclerosus?
The most common autoimmune diseases associated with lichen sclerosus are autoimmune thyroiditis, alopecia areata, vitiligo, and pernicious anemia. In addition to an autoimmune factor, it appears that genetics has a pathogenetic role as well.
What is the difference between lupus and lichen planus?
Abstract. Lichen planus (LP) is a chronic inflammatory mucocutaneous disorder with unknown etiology. Systemic lupus erythematosus (SLE) is known as a prototypic autoimmune disease. Cytokines play a key role in the pathogenesis of both diseases.
Is lupus the same as lichen planus?
Lupus erythematosus (LE) and lichen planus (LP) are two distinct and well established dermatoses which occasionally can occur as an overlap syndrome. Overlap syndrome is characterized by mixed clinical and histopathological features of both LE and LP.
Is lichen simplex the same as lichen sclerosus?
Lichen sclerosus is most common in women after menopause. However, men and children can get it too. Women may have a subset of the condition called lichen simplex chronicus. This affects a woman’s vulva (the outside part of the vagina).
What is mycobiont and photobiont?
Photobiont is the algal component and mycobiont is the fungal component of lichens.
What are lichens give two examples and one use of it?
a)Lichen is an organism formed by intimate association between a fungus & an alga.. Algae prepare food for fungi as it contains chlorophyll & fungi provides shelter to algae.. 2. Leech excretes through nephridia.
What does severe lichen sclerosus look like?
The lesions caused by lichen sclerosus usually begin as small, pinkish or whitish bumps. Over time, they become patchy, wrinkly and white, often resembling tissue paper. These patches tend to be itchy and painful. Because the affected skin is delicate, even light itching may cause bleeding.
Is lichen planus linked to autoimmune diseases?
Lichen planus is a chronic inflammatory dermatosis of autoimmune origin that usually manifests in the oral mucosa.