نتایج جستجو برای: lichen mycota
تعداد نتایج: 8803 فیلتر نتایج به سال:
Background. Lichen Planus is a chronic mucocutaneous disease of immunological basis and unknown etiology. women with oral lichen planus may have concomitant manifestations in vulvovaginal areas. Objective. To determine the frequency and risk factors of genital involvement in a group of Iranian women affected by oral lichen planus. Methods. Thirty-six women with clinical and histopathological di...
The increasing demand for forest-derived bio-fuel may decrease the amount of dead wood and hence also the amount of available substrate for saproxylic ( = dead-wood dependent) organisms. Cut stumps constitute a large portion of dead wood in managed boreal forests. The lichen flora of such stumps has received little interest. Therefore, we investigated which lichens that occur on stumps in young...
UNLABELLED Histopathological diagnosis of oral lichen planus is not easy since some cases of epithelial dysplasia may present traits which are very similar to those from lichen planus. AIM to compare cell alterations which suggest malignancy present in oral lichen planus with those from epithelial dysplasia. MATERIAL AND METHODS histological cross-sections of oral lichen planus and dysplasi...
Although lichens (lichen-forming fungi) play an important role in the ecological integrity of many vulnerable landscapes, only a minority of lichen-forming fungi have been barcoded out of the currently accepted ∼18 000 species. Regular Sanger sequencing can be problematic when analyzing lichens since saprophytic, endophytic, and parasitic fungi live intimately admixed, resulting in low-quality ...
Histochemical analysis of pathological alterations in oral lichen planus and oral lichenoid lesions.
Lichen planus is a dermatologic disease of unknown etiology characterized by keratotic plaques on the skin. Many patients also harbor white lesions of the oral mucosa. The literature contains numerous reports of lichen planus-like lesions evolving in conjunction with the administration of a variety of pharmacologic agents. It is difficult, if not impossible, to distinguish such lesions from one...
Lupus erythematosus, especially the discoid form, and lichen planopilaris may be associated and can occur in different topographies (coexistence) or in the same lesion (lupus eythematosus/lichen planus overlap syndrome). Frontal fibrosing alopecia is considered a variant form of lichen Received: October 24, 2016 Accepted: October 27, 2016 Published online: November 12, 2016 Leandro Noriega Derm...
Lichen planus is a fairly distinctive, chronic, immunologically mediated mucocutaneous disease, of uncertain etiology that was first described as a disease of the skin that can also affect mucosal surfaces, including those that line the oral cavity. The prevalence of LP in the general population is of the order of 0.9 to 1.2%. It is stated that approximately 40% of lesions occur on both oral an...
Introduction: Malondialdehyde (MDA) is a useful determinant to show high level of lipid peroxidation which lead to impaired cell function. Previous studies have mentioned there is a relationship between high oxidative stress and low anti-oxidant activity in patients with oral lichen planus. The aim of this study was to evaluate serum level of Malondialdehyde as an indicator of oxidative stress ...
Background Lichen sclerosus most commonly affects the genital area. Contrarily to lichen planus, the involvement of the oral or vaginal mucosa is rare. Only four cases of vaginal lichen sclerosus have been described in the literature. Case report The authors report two cases of postmenopausal women with a history of vulvar pruritus and burning. Both presented with lesions of the vaginal mucos...
BACKGROUND Lichen planopilaris is a frequent presentation of primary cicatricial alopecia. Scalp distribution characterizes the main clinical presentations: classic lichen planopilaris, frontal fibrosing alopecia and Graham-Little Piccardi-Lassueur Syndrome (GLPLS). OBJECTIVE Description of the clinical, dermoscopic and histopathological findings of Lichen planopilaris in public and private p...
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