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Scabies
Sarcoptes scabiei mite in a potassium hydroxide wet mount (× 40). Even when scabies mites are present in the skin, it can be difficult to get a positive scabies prep.
Linear vesicle and burrows remain discrete, are characteristic and differentiate scabies from other vesicular diseases such as poison ivy.
Scabies mites like web spaces of the hands, feet and genital areas, causing red inflamed eczematous patches and burrows.
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