NewmanAW, EsteyCM, McDonoughS, Cerda-GonzalezS, LarsenM, StokolT. Cholesteatoma and meningoencephalitis in a dog with chronic otitis externa. Vet Clin Pathol. 2015;44(1):157–163.10.1111/vcp.12212)| false
TravettiO, GiudiceC, GreciV, LombardiR, MortellaroM, Di GiancamilloM. Computed tomography features of middle ear cholesteatoma in dogs. Vet Radiol Ultrasound. 2010;51(4:374–379.10.1111/j.1740-8261.2010.01682.x)| false
A 9-year-old 13.6-kg neutered male mixed-breed brachycephalic dog was referred because of a 3-week history of ataxia and an acute-onset, nonprogressive, right-sided head tilt and a 6-month history of visual and hearing impairment and ocular discharge. Previous medical history included otitis externa of the right ear. Results of a physical examination were unremarkable except for reduced tear production in the right eye, as determined with a Schirmer tear test (right eye, 8 mm/min; left eye, 20 mm/min).
The absent menace response and palpebral reflex in the right eye with a normal pupillary light reflex and vision