All the following can cause mouth ulcers except ?
ASickle cell anemia
BPsoriasis
CMouth washes
DLichen planus
A 40 year old male reported with recurrent episodes of oral ulcers, large areas of denuded skin and flaccid vesiculo-bullous eruptions. Which is the most important bedside investigation helpful in establishing the diagnosis -
ATzanck smear from the floor of bulla
BGram staining of blister fluid
CCulture and sensitivity of blister fluid
DSkin biopsy with immunofluorescence
A 30-year-old with recurrent ulcers on lips and genitalia, and positive pathergy test. Diagnosis?
AHerpes simplex
BBehcet's disease
CPemphigus vulgaris
DSyphilis
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