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Figure 3 | Acta Veterinaria Scandinavica

Figure 3

From: Demodex gatoi -associated contagious pruritic dermatosis in cats - a report from six households in Finland

Figure 3

Histopathology of feline demodecosis caused by D. gatoi and a D. gatoi infestation as observed under SEM. In Figure 3a, numerous D. gatoi mites (arrows) can be observed within the superficial keratin layer of the epidermis. The area in the rectangle is enlarged in Figure 3b, Case 1C, H&E, scale bar = 500 μm. 3b is a close-up micrograph depicting a D. gatoi in the epidermal pit. Figure 3c shows mild to moderate lympho-histiocytic perivascular inflammation in the upper dermis and lymphocytic exocytosis within a mildly acanthotic epidermis. A D. gatoi mite (arrow) can be observed within the mildly hyperkeratotic superficial keratin layer, Case 5B, H & E. In SEM micrograph 4d, D. gatoi can be seen on the skin surface buried within the superficial keratin layer. The posterior part of the mite (opisthosoma) is visible.

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