What is a pathognomonic sign of scabies, and which areas of the body are commonly affected?

Updated: Oct 13, 2020
  • Author: Megan Barry, MD; Chief Editor: Dirk M Elston, MD  more...
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Burrows are a pathognomonic sign and represent the intraepidermal tunnel created by the moving female mite. They appear as serpiginous, grayish, threadlike elevations in the superficial epidermis, ranging from 2-10 mm long. High-yield locations for burrows include the following:

  • Webbed spaces of the fingers

  • Flexor surfaces of the wrists

  • Elbows

  • Axillae

  • Belt line

  • Feet

  • Scrotum (men)

  • Areolae (women)

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