How to diagnos lichen planus...is there any test?

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TOPICALLY.. STEROIDS WITH TAPERING DOSE SCHEDULE.. ORALLY ANTIHISTAMINES AS PER REQUIREMENT.. HPE STUDY..

Skin biopsy of affected part.

Histopathology

Skin biopsy is the gold standard

Biopsy for HPE of affected area

Ointment . Clobetasole . Deflazacort. Levocetirizine.

गंण्डोरिकदम् तैल लगाने से लाभ।

A 4-mm punch biopsy should be adequate on the skin or in the mouth. The histology shows a characteristic “saw-tooth” pattern of epidermal hyperplasia