PMC7582092_01
Ventral alopecia with brown adherent greasy scales on the skin of the ventral abdomen and hind limbs at the time of initial diagnostic work-up.
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While unable to groom in a buster collar, the cat developed brown dry crusts and adherent greasy scales on the skin of the ventral abdomen and hind limbs (Figure 1), and a brown material in the nail folds.
Hematoxylin and eosin photomicrograph (x40) showing eosinophils and mast cells in the dermis (courtesy of IDEXX Laboratories).
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Histopathology of the skin evaluated by IDEXX Laboratory revealed epithelial hyperplasia and prominent orthokeratotic and parakeratotic hyperkeratosis with multifocal crust formation, moderate dermal fibrosis, and moderate perivascular mastocytic, eosinophilic, and mildly histiocytic infiltration (Figures 2 and 3).
Hematoxylin and eosin photomicrograph (x10) showing epidermal hyperplasia (arrowhead) and eosinophils and mast cells in the dermis (arrow) (courtesy of IDEXX Laboratories).
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Histopathology of the skin evaluated by IDEXX Laboratory revealed epithelial hyperplasia and prominent orthokeratotic and parakeratotic hyperkeratosis with multifocal crust formation, moderate dermal fibrosis, and moderate perivascular mastocytic, eosinophilic, and mildly histiocytic infiltration (Figures 2 and 3).
Complete hair regrowth and resolution of skin lesions on ventral abdomen and hind limbs 12 months after initiating treatment.
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At the time of preparing the manuscript, the cat has been successfully maintained in remission for over 12 months (Figure 4).