Table 1.
Signalment, clinical signs, duration of clinical signs, site localization, surgical technique and findings, histopathology and outcome of the 11 dogs diagnosed with middle ear cholesteatoma
| Case | Breed | Sex | Age (y) | Duration of clinical signs (wk) | Clinical signs | Neurological abnormalities | Cholesteatoma location | Surgery | Histo-pathology | Follow-up |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Pug | M | 8 | 6 | Bilateral otorrhea, otodinia, shaking head/ear paw | Left head tilt, left facial palsy | Bilateral | TECALBO, keratin scales | Keratin | 48 mo, no recurrence |
| 2 | Cross-breed | M | 5 | 16 | Otorrhea, otodinia, discomfort opening the mouth, shaking head/ear paw, dysphagia | Left | TECALBO, keratin scales | 3 layers | 28 mo, recurrence at 5 mo (VBO) | |
| 3 | Flat-coated retriever | M | 10 | 4 | Otorrhea, otodinia, shaking head/ear paw | Left head tilt, left facial palsy, ataxia, | Left | TECALBO, keratin scales | 3 layers | 13 mo, recurrent disease not confirmed |
| 4 | Poodle | Mn | 5.5 | 24 | Otodinia, discomfort opening the mouth, dysphagia, shaking head/ear paw | Right | TECALBO, keratin scales | Keratin | 39 mo, recurrent disease at 13 mo (VBO) | |
| 5 | Afghan greyhound | M | 8 | 12 | Draining tract at surgical site, otodinia, discomfort opening the mouth, shaking head/ear paw | Left | TECALBO, keratin scales | Keratin | 34 mo, recurrences at 2 (LBO), 26 (VBO) and 36 (VBO) mo | |
| 6 | Weimaraner | Fs | 9 | 4 | Otorrhea, otodinia, shaking head/ear paw | Right | TECALBO video-assisted, keratin scales | 3 layers and CG | 2 wk | |
| 7 | Cocker spaniel | M | 6 | 3 | Otorrhea, otodinia, discomfort opening the mouth | Left head tilt, left facial palsy, ataxia | Left | TECALBO video-assisted, mass-like lesion | Keratin | 28 mo, no recurrence |
| 8 | Schnauzer | M | 5.5 | 8 | Otorrhea, otodinia, shaking head/ear paw | Left | TECALBO, mass-like lesion | 3 layers | 27 mo, no recurrence | |
| 9 | Cross-breed | Fs | 9 | 16 | Otorrhea, otodinia, discomfort opening the mouth, shaking head/ear paw | Left head tilt, left facial palsy, ataxia | Left | TECALBO, keratin scales | Keratin and CG | 22 mo, recurrence at 10 (VBO) and 14 mo (response to medical management) |
| 10 | Golden retriever | F | 4.5 | 16 | Otorrhea | Left head tilt, left facial palsy, ataxia | Left | VBO, keratin scales | 3 layers and CG | 12 mo, no recurrence |
| 11 | Labrador retriever | M | 9 | 28 | Otodinia, discomfort opening the mouth | Left | TECALBO, mass-like lesion | 3 layers and CG | 13 mo, no recurrence |
M — male intact; Mn — male neutered; F — female intact; Fs — female spayed; CG — cholesterol granuloma.