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Diagnostic accuracy of intra-operative assessment of de-epithelisation of the malleus by the surgeon in type 1 tympanoplasty compared to histopathological examination

  • A P Azeez (a1) and V Letha (a2)

Abstract

Objective

This study was undertaken to determine the accuracy of the surgeon's assessment in detecting epithelial remnants over the malleus after de-epithelisation in tympanoplasty.

Methods

Intra-operatively, the umbo was assessed for epithelial remnants with the microscope. The umbo was then resected and sent for histopathological examination to detect epithelial remnants.

Results

Out of 42 cases, microscopic examination findings for epithelium were positive in 16 cases and negative in 26 cases. Histopathology findings were positive in 13 cases. The surgeons’ assessment was accurate only in two cases.

Conclusion

Residents, with their limited experience, are more likely to leave residual epithelium. When the chance of residual epithelium over the umbo is significant, the surgeon has two choices: to place the graft medial to the umbo or to resect the umbo. It is our opinion that the malleus exteriorisation should be incorporated into tympanoplasty training, with the aim of preventing epithelial entrapment in the middle ear.

Copyright

Corresponding author

Author for correspondence: Dr V Letha, Dept of Pathology, Government Medical College, Kottayam, Kerala, India, PIN 686008 E-mail: lethadr63@gmail.com Fax: +91 481 259 7284

Footnotes

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Dr V Letha takes responsibility for the integrity of the content of the paper

Footnotes

References

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  • ISSN: 0022-2151
  • EISSN: 1748-5460
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