Head Lice Infestation laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Laboratory Findings

• Microscopic examination of suggestive particles confirms the diagnosis.
• Lice can be picked up using cellulose tape that can be applied over an infested area.
• Wood lamp examination: yellow-green fluorescence of lice and nits.
• Dermoscopy helps in differentiating nymph-containing eggs from empty cases or pseudonits