lichen planus

Question 1

hiw many percent of Lichsn planus px have oropharyngeal involvmeent ?

Answer 1

40-60%

Question 2

findings of 
wickham striae
hypertrophic lp
atrophic lp
erosive or ulcerative lp 
bullous lp
desquamative lp

Answer 2

Milky-white papules.
■ Wickhamstriae:Reticulate(netlike)patternso lacy-whitehyperkeratosis[buccalmucosa
(Fig. 33-6), lips, tongue, and gingivae].
■ HypertrophicLP:LeukoplakiawithWickhamstriaeusuallyonthebuccalmucosa.
■ Atrophic LP: Shiny plaque o ten with Wickham striae in surrounding mucosa.
■ Erosive/ulcerativeLP:Super cialerosionswithoverlying brinclotsthatareseenonthetongue
and buccal mucosa; can be pain ul (Fig. 33-6). Should ollow care ully or development o squa- mouscellcarcinoma(1to3%o cases),particularlyindrinkers,smokers,theimmunosuppressed or those in ected with HPV.
■ Bullous LP:Intact blisters (rupture and result in erosive LP).
■ Desquamative gingivitis: Bright red gingiva