Two copulatory lice with a harasser on scalp hair

A 19-year-old girl with secondary leukopenia presented with a 3-week history of itchy scalp. She stayed at a hotel 6 weeks ago. Cutaneous examination revealed multiple erythematous papules on the parietooccipital and retroauricular scalp with whitish ovoid nits and brown lice on hair shafts (Figure 1A). No cervical/occipital lymphadenopathy was noted. Dermoscopy showed brown viable/unhatched eggs with opercula and translucent empty/hatched nits with flattened free endings (Figure 1B); translucent nymphs clutching hair roots and sucking blood (Figure 1C); and two mating adult lice harassed by one unwanted male louse and one fast crawling nymph on hair shafts (Figure 1D and Supplementary video).
Source: International Journal of Infectious Diseases - Category: Infectious Diseases Authors: Tags: Medical Imagery Source Type: research