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Up to 8% of men over 70 [6] Oral leukoplakia is a potentially malignant disorder affecting the oral mucosa. It is defined as "essentially an oral mucosal white/gray lesion that cannot be considered as any other definable lesion."
The cause is the chronic parafunctional activity of the masticatory system, which produces frictional, crushing, and incisive damage to the mucosal surface, and over time, the characteristic lesions develop. Most people know a cheek-chewing habit, although it may be performed subconsciously. [2]
Epulis fissuratum is a benign hyperplasia of fibrous connective tissue which develops as a reactive lesion to chronic mechanical irritation produced by the flange of a poorly fitting denture. [1] More simply, epulis fissuratum is where excess folds of firm tissue form inside the mouth, as a result of rubbing on the edge of dentures that do not ...
Rosacea. What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center.Easy flushing, a stinging sensation, and small, pus-filled pimples are other common ...
Erythema nodosum is a form of panniculitis characterised by tender red nodules, 1–10 cm, associated with systemic symptoms including fever, malaise, and joint pain. Nodules may become bluish-purple, yellowing, and green, and subside over a period of 2–6 weeks without ulcerating or scarring.
It occurs in about 70-90% of dark skinned adults and about 50% of dark skinned children. The prevalence in white skinned people is considerably less, but reports range from less than 10% to more than 90%, probably varying depending upon the population studied, and the methods used in the study, e.g. examination conditions and the diagnostic ...
Urticarial vasculitis- no clinical images; Chloracne- single image (not very helpful) Hidradenitis suppurativa- lacks images of each Hurley stage; Dermatofibrosarcoma protuberans- no clinical images; Pustulosis palmaris et plantaris- single image (not very helpful) Pityriasis rubra pilaris- single illustration, no clinical images
The oral mucosa has no muscularis mucosae, and clearly identifying the boundary between it and the underlying tissues is difficult. Typically, regions such as the cheeks, lips, and parts of the hard palate contain submucosa (a layer of loose fatty or glandular connective tissue containing the major blood vessels and nerves supplying the mucosa ...