DOI: 10.36347/sasjs.2021.v07i05.001

Pages: 226-230

Our study is retrospective on 5 cases of fistulae of the lateral semi-circular duct (CSCL) complicating chronic cholesteatomatous otitis media, operated in the otolaryngology department of the CHU HASSAN II of Fez, over a period of 4 years from January 2014 to December 2017. The age of our patients ranged from 6 years to 65 years with a mean of 26 years, and a clear male predominance. The consultation period ranged from 1 year to 15 years. Othorrhea and vertigo were consistent in all our patients, combined with mixed deafness in 3 patients. The otoscopy revealed several aspects; going from image Typical a cholesteatoma of the middle ear with epidermal scales in the middle ear emerging from a perforation or a tympanic retraction pocket, or an attical cholesteatoma on a stage III retraction pocket. Ossicular lysis was evident in 3 of patients. Peripheral vestibular syndrome was noted in all of our patients. Neurological examination found a case of facial paralysis. Concerning the functional impairment; 2 of our patients had pure transmissive deafness, the remaining 03 patients had mixed deafness. Diagnosis labyrinthine fistulae has been clinically evoked and surgically confirmed. All our patients received preoperative CT scan. MRI has a complementary and fundamental role in the diagnosis of some internal ear disorders, it was requested in one patient. Treatment of fistulae (CSCL) was achieved by plugging the breach with temporal aponevrosis associated with the treatment of Chronic cholesteatomatous otitis. In our series, all our patients received general antibiotic therapy adapted to the antibiogram, 3 patients received treatment with open tympanoplasty wall down patients received tympanoplasty by closed technique. The surgical follow-ups were simple.