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Table 2 Allergy tests and histopathology results

From: Pilot study of dogs with suppurative and non-suppurative Malassezia otitis: A case series

  Control Positive Control Negative IDAT Malassezia at 15’ min IDAT Malassezia at 30’min Serology IgE
(EAU)
Histopathology
Case 1 4+ 0 0 0 Not performed Left and right ear SMO: Lichenoid- interface dermatitis with apoptosis
Case 2 4+ 0 0 0 145
(reaction class 0)
Right ear SMO: Minor chronic lymphocytic dermatitis
Case 3 4+ 0 0 0 91
(reaction class 0)
Left and right ear SMO: Interface dermatitis with rare basal degeneration
Case 4 4+ 0 3+ 2+ 3090
(reaction class 5)
Left ear MO: Perivascular dermatitis
Right ear SMO: chronic hyperplastic eosinophilic and lymphoplasmacytic dermatitis
Case 5 4+ 0 0 0 0
(reaction class 0)
Left ear MO: Lymphocytic dermatitis and focal detachment of the epidermis
  1. Abbreviations: EAU ELISA absorbance units. Interpretation EAU: reaction class 0 no antibodies present [0-150 EAU], reaction class 1 equivocal [151-300 EAU], reaction class 2 low concentration of antibodies [301-600 EAU], reaction class 3 moderate concentration of antibodies [601-1200EAU], reaction class 4 high concentration of antibodies [1201-2400 EAU], reaction class 5 very high concentration of antibodies [>2400 EAU].