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Are Lichen Sclerosus and Lichen Planus Related?
Is there any relation between lichen sclerosus andlichen planus ? Generally , lichen sclerosus and lichen planus are two distinct skin weather ; however , with mostly like symptoms , it might be difficult to name one from another . While lichen planus usually involves genitals along with unwritten mucosa , it is uncommon to involve oral mucosa in lichen sclerosus cases . Lichen planus is mostly a reddish - royal skin rash with white stripe ; lichen sclerosus is mostly lily-white plaque with parched skin . While lichen planus is extremely rare in children , lichen sclerosus can be found in baby too .
It is necessary to distinguish both the condition and reach a substantiative diagnosis with the help of a biopsy to prevent uneventful scarring from both these conditions .
What is Lichen Sclerosus?
Lichen sclerosus is a rare chronic tegument condition that mostly bear on women of post - menopausal years and has a taste for anogenital area . The female to male proportion is 10:1 and touch adult between the age radical of 40 to 60 . The disease when found in males is roll in the hay as balanitis xerotica obliterans . Synonyms of lichen sclerosus include Csillag ’s disease ( sclerosus ) , Guttate morphea ( sclerosus ) , Hallopeau I disease , lichen sclerosus et atrophicus , snowy spot lesions , Von Zambusch disease and Guttate scleroderma ( lichen sclerosus type ) .
The exact cause of lichen sclerosus is still nameless . However , it has been relate to autoimmunity , injury and radiation therapy . inherited predisposition has also been found that might be trip by environmental factors . It is neither a sexually transmitted disease nor is it contagious .
It is nock by constitution of fretful sclerotic white plaque that most commonly impact genital skin . Non - venereal disease occurs on luggage compartment and extremities . In genitals , it mostly involve vulva , vagina or penis and/or perianal area , often having flesh of eight shape in the initial microscope stage . The affected skin becomes shiny , wrinkle ( parchment like ) , kindle and atrophy . The presence of blueish - blanched zit , key economic crisis and purplish patch are vulgar . In stark type , mild chafing may also lead to haemorrhage and vesication . Involvement of the genitals spend a penny intimate intercourse , riding wheel and tight article of clothing discomforting , and sham individuals normally annul these activities .
What is Lichen Planus?
Lichen planus is an inflammatory , non - infectious tegument efflorescence with mild to grievous itchiness . It is an passing rare condition affecting about 1 % of the total population of the world . It mostly affects halfway - aged female person . The exact aetiology of lichen planus is not clear , but it is thought to be an autoimmune disorder . It is more common in patients with liver disorder especially hepatitis C , bacillus or cirrhosis of the liver . It is also related to medication function such as beta blockers , antimalarial , diuretic drug , phenothiazines , anti - inflammatories along with response from dental amalgam refurbishment ( in oral lichen planus ) .
Lichen planus can occur at various areas such as extremities including arms and leg , unwritten mucosa , pelt ( mostly in the elbows , wrist , ankles , shins , armpits and small back ) , genitals and around hair follicles . In rare case , it may even occur in ear canals , esophagus , eye lid and anus . The onset is sudden and may last several months and disappears on its own within a dyad of years . The symptom vary according to the site of lesion . On pelt , the efflorescence is unremarkably shiny , bring up , flat - top out papule , red , pinkish or purple in color and might browse from soft itchiness to austere itching mostly at night . It is Hellenic of white streak known as Wickham ’s striae . Oral lichen planus may be present mostly on the internal Earth’s surface of cheeks , but may also involve gums , spit and lip . In the mouth , it present with redness , ulceration , ironical mouth , change in taste and symptoms worsen with spicy and crispy nutrient and tomato products . Oral lichen planus has a higher chance of return .
In genitals , the rash may range from reddish to purplish with the evolution of Wickham ’s striae and may be symptom less without any pain or itch . However , with scarring and erosion , the blizzard might leech easy making sexual intercourse awful .
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