Summary of the clinical characteristics of tuberculous otitis media
Objective:The purpose of this study was to analyze and summarize the clinical characteristics and diagnostic methods of tuberculous otitis media(TOM),to enrich clinical experience in diagnosis and treatment of tuberculous otitis media,so as to reduce missed diagnosis and misdiagnosis,and facilitate timely and effective therapy for better prognosis.Methods:This study retrospectively analyzed the clinical data of patients with tuber-culous otitis media who were hospitalized in the Ear ward of our hospital and received surgical treatment from 2008 to 2022.The data of patients'clinical characteristics,radiological examination,intraoperative findings and thera-peutic strategies were recorded and summarized.Results:A total of 23 cases(26 ears)of tuberculous otitis media were included in this retrospective study.The most common clinical symptoms were otorrhea(thin odorless fluid)(100％)and conductive hearing loss(100％),with a high incidence of facial paralysis(23.1％).It was not sensi-tive to traditional antibiotic treatment,eg.Levofloxacin(50％effective rate only),and relapsed soon after drug withdrawal.It was revealed that all the surgical views had gray and white tough granulation tissue hyperplasia(100％),and 23.1％with caseous necrosis.The purpose of surgery was to clear the lesion,reduce the recurrence rate of suppurative infection,and repair the function(hearing reconstruction or facial nerve decompression)as ap-propriate.The paraffin pathology of granulation tissue were reported as typical granulomatous inflammation and caseous necrosis with positive acid-fast staining,which was consistent with tuberculosis.Conclusion:It was easily confused by the clinical manifestations of tuberculous otitis media and common chronic suppurative otitis media.When met with the following conditions,we should pay highly attention to suspect tuberculous otitis media:The severity of local manifestations did not match with the length of the disease;with poor tympanic membrane at the early stage with no obvious cholesteatomas,with facial paralysis or hearing loss early onset;insensitive to tradi-tional antibiotic treatment;with extensive granulation appeared in the tympanum and or mastoid cavity,with or without caseous necrosis or dead bone in the early days.The diagnosis should be confirmed based on the acid-fast staining of the histopathological section to detect positive acid-fast bacilli.Meanwhile,multiple laboratory exami-nation methods(such as T-spot and PCR)should be integrated synchronously to help support the diagnosis.
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