A Study on Ossicular Erosion in Chronic Suppurative Otitis Media
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2017, Vol 5, Issue 5
Abstract
Introduction: Chronic suppurative otitis media (CSOM) is a common condition in otorhinolaryngology and it is characterized by chronic, intermittent or persistent discharge through a perforated tympanic membrane. Poor living conditions, overcrowding, poor hygiene, and nutrition have been suggested as the basis for the widespread prevalence of CSOM in developing countries. Aim: To study the incidence of ossicular erosion with respect to each type of perforation of tympanic membrane. Materials and Methods: Patients aged more than 16 years, diagnosed with CSOM and posted for middle ear surgery were included. Patients who were <16, had malignancy of middle ear, otitis externa, or previous history of ear surgery were excluded. Results: In this study of 164 patients, the predominant type of CSOM was mucosal type. Among the pre-operative otoscopic examination results, the most common type of tympanic membrane perforation was subtotal perforation (43.2%), followed by perforation being small all quadrant central perforation (20.1%). Most common ossicle to erode in CSOM cases is a long process of incus (24.4%). Conclusion: Ossicular erosion was found to be much more common in unsafe CSOM than in safe CSOM. Malleus was found to be the most resistant ossicle to erosion whereas incus was found to be the most susceptible.
Authors and Affiliations
C Balasubramanian, B Santhanakrishnakumar, Heber Anandan
Keywords
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