Scabies
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Figure 4.38
A: Scabies*
B: Body lice in clothing*
C: Pediculosis capitis*
*Courtesy of Dr. Paul Getz |
(Figure 4.38A)
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Unlike adults, infants with scalp/face involvement |
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- Female itch mite, Sarcoptes scabiei var. hominis
- Presents with intense pruritus (worse at night) with symmetric papules,
vesicles, or indurated nodules typically involving interdigital web spaces,
volar wrists, axillae, postauricular areas, ankles, waist, buttocks, waistband
area, and genital area; ± visible burrows: gray-white thread-like lesions
over finger web spaces
- Diagnosis: mineral oil scraping from burrow
- Treatment with topical scabicide, but pruritus can persist 2–4 weeks after
treatment (post-scabietic pruritus)
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