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White Lesions - Coggle Diagram
White Lesions
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Infections
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Hairy Leukoplakia
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PO and IO Characteristics = whitish plaques that do not rub off; affect laterla border of the tongue, often bilaterally, where they appear as vertical, raised ridges or sometimes as irregular flattened lesions; typically asymptomatic
Distinguishing Characteristics = white plaques, often with vertical raised ridges, bilaterally on the tongue in immunosuppressed patients
Dental Implications = significant diagnosis because of precursor of rapid progression from HIV latent infection to AIDS
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Variations of Normal
Fordyce Granules
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PO and IO Characteristics = superficial yellowish-to-yellowish white, slightly elevated papules
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Leukoedema
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PO and IO Characteristics = whitish opaqueness, sometimes with fine wrinkles, of the mucosa; found on buccal mucosa; bilaterally symmetrical; does not rub off; disappears when mucosa is stretched
Distinguishing Characteristics = thin whitish plaques on the buccal mucosa that will dissipate when the tissue is stretched
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Immune System Disorders
Lichen Planus
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Distinguishing Characteristics = Wickham striae observed bilaterally on the buccal mucosa and possibly on the gingiva
PO and IO Characteristics = reticular and striate form is most common; produces a lacy pattern of Wickham striae that do not rub off; most common site is the postbuccal mucosa in the lower mucobuccal fold; Koebner phenomenon
EO Characteristics = skin lesions are purplish, raised papules with keratotic white surface pattern of very fine interlacing lines called Wickham striae; lesions are itchy and typically affect legs and forearms
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Etiology = chronic immune-mediated mucocutaneous disorder; T lymphocytes are recruited to the skin or oral mucosa where they produce damage to the surface epithelium
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