Flat-topped papules with thin,bluish white spider web lines resembling leukoplakia appearing on the buccal mucosa are

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This condition,also known as Wickham's striae,are the lesions of lichen planus,which is an inflammatory and pruritic disease of the skin and mucous membranes.It is usually a benign disease and the cause is unknown.Small,round,white ulcers,each surrounded by a halo of reddened mucosa,are aphthous ulcers.Normally,the color of the buccal mucosa varies according to race.Caucasians have pink mucosa; African Americans have a mucosa with a bluish hue.Freckle-like macules may appear on the inside of the buccal mucosa.The buccal mucosa should be moist,smooth,and free of inflammation or lesions.Xerostomia is excessive dryness of the mucosa.

Flat-Topped Papules with Thin,bluish White Spider Web Lines Resembling Leukoplakia