The main characteristic feature of lichen planus is( )
Auspitz sign
B. Wickham texture
C. Target-like erythema
D. Mother spot and child spot
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The following descriptions of pityriasis rosea, which is incorrect( )
A. it is common among young and middle-aged people.
B. the long axis of the rash of the trunk is perpendicular to the skin pattern.
C. related to viral infection.
D. self-healing.
which of the following is incorrect about freckles( )
A. Genetic disease.
B. Can multiply and become darker with sun exposure.
C. Histopathological examination can show increase in the number of melanocytes. D laser can be used for its treatment.
which of the following have the worst prognosis( )
A. SLE.
B. DLE.
C. SCLE. D LEP.
classification of pemphigus does not include( )
A. pemphigus vulgaris
B. bullous pemphigoid
C. pemphigus foliaceus
D. pemphigus erythematosus
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