PMC4909726_01
Clinical findings at first presentation. Grey-yellowish hyperkeratotic plaques located on the left palm.
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A 86-year-old fully bedridden woman with dementia and chronic kidney disease presented with extensive, grey-yellowish hyperkeratotic plaques located on the palms, axillae, chest, and face that had occurred 3 months ago (Fig. 1).
Several dense triangles suspicious for scabies mites head parts (called "delta wing jet sign") are present in dermatoscopy.
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Dematoscopy revealed several dense triangles suspicious for scabies mites head parts (called "delta wing jet sign") (Fig. 2; arrow).
Sarcoptes scabiei in histopathology. Four mites are located in statum corneum.
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A lesional skin biopsy as well as specimen obtained from scraping confirmed an infection with Sarcoptes scabiei (Fig. 3; arrow, Fig. 4).