Skip to main content

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].