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<p>Ossicular erosion is a common complication of chronic otitis media (COM) and contributes significantly to conductive hearing loss. The pattern of ossicular involvement varies between mucosal and squamosal types of COM. To evaluate the incidence and pattern of ossicular erosion in mucosal and squamosal chronic otitis media and to analyse the methods of ossicular reconstruction. A total of 200 patients with chronic otitis media were included in this study. Clinical data regarding age, sex, type of disease, ossicular involvement, and reconstruction methods were analysed. Statistical analysis using the Z-test for proportion was performed to compare ossicular erosion between mucosal and squamosal COM. Among 200 cases, 114 were males and 86 were females, with a mean age of 33.02 ± 11.76 years. Mucosal disease was seen in 169 patients and squamosal disease in 31 patients. Ossicular erosion was observed in 49 cases (24.5%). The incidence of ossicular erosion was 10.65% in mucosal COM and 100% in squamosal COM, which was statistically significant (<i>p</i> &lt; 0.01). The incus was the most commonly eroded ossicle, particularly the long process. The most common ossicular defect was Austin Type A (M+S+). Ossicular reconstruction was performed using Teflon prosthesis, cartilage, or autologous ossicles. Ossicular erosion is significantly more common in squamosal COM, with the incus being the most frequently affected ossicle. Appropriate ossicular reconstruction can help restore hearing and improve surgical outcomes.</p>

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Intraoperative Assessment of Ossicular Chain Pathology in Chronic Otitis Media and Its Surgical Implications

  • 期刊论文

  • 发表日期：

    2026年6月30日

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  • Roshni Mohanty,
  • Rajashri Mane,
  • Anjana Mohite,
  • Balasaheb Patil,
  • Rushikesh Harkut

摘要

Ossicular erosion is a common complication of chronic otitis media (COM) and contributes significantly to conductive hearing loss. The pattern of ossicular involvement varies between mucosal and squamosal types of COM. To evaluate the incidence and pattern of ossicular erosion in mucosal and squamosal chronic otitis media and to analyse the methods of ossicular reconstruction. A total of 200 patients with chronic otitis media were included in this study. Clinical data regarding age, sex, type of disease, ossicular involvement, and reconstruction methods were analysed. Statistical analysis using the Z-test for proportion was performed to compare ossicular erosion between mucosal and squamosal COM. Among 200 cases, 114 were males and 86 were females, with a mean age of 33.02 ± 11.76 years. Mucosal disease was seen in 169 patients and squamosal disease in 31 patients. Ossicular erosion was observed in 49 cases (24.5%). The incidence of ossicular erosion was 10.65% in mucosal COM and 100% in squamosal COM, which was statistically significant (p < 0.01). The incus was the most commonly eroded ossicle, particularly the long process. The most common ossicular defect was Austin Type A (M+S+). Ossicular reconstruction was performed using Teflon prosthesis, cartilage, or autologous ossicles. Ossicular erosion is significantly more common in squamosal COM, with the incus being the most frequently affected ossicle. Appropriate ossicular reconstruction can help restore hearing and improve surgical outcomes.