a dermatologist takes a skin scraping and tests for demodicosis and dermatitis, fungal infection

skin analysis scraping demodicosis test diagnosis dermatology laboratory fungal infection check dermatological microscopic examination acne dermatitis dermatologist cosmetology medical gloves scalpel glass slide research problematic hygiene man at appointment patient doctor calm face consultation closeup clinic procedure professional medicine cleanliness and sterility petri dish skincare epidermis lesion biopsy office treatment health