• The histologic findings in the papular, vesicular, nodular, and Norwegian variants of scabies have in common a superficial and deep perivascular mixed inflammatory cell infiltrate of lymphocytes, histiocytes, and numerous eosinophils. A spongiotic vesicle occurs in the papulovesicular type, a dense cellular infiltrate in the nodular type, and a hyperkeratotic psoriasiform dermatitis in the Norwegian type. Eggs, larvae, and adult mites are abundant in the cornified layer of Norwegian scabies, are practically never found in biopsy specimens from lesions of nodular scabies, and are discovered only episodically in papulovesicular lesions.
(Arch Dermatol 113:320-324, 1977)
Fernandez N, Torres A, Ackerman AB. Pathologic Findings in Human Scabies. Arch Dermatol. 1977;113(3):320–324. doi:10.1001/archderm.1977.01640030066010
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