PMID: 16612530Apr 14, 2006Paper

Otomicroscopic and histologic findings of induced myringosclerosis in rats: a critical study of an experimental model

Brazilian Journal of Otorhinolaryngology
Patrícia F SantosSilvania Tavares Paz Rosas

Abstract

Myringosclerosis is characterized by hyaline changes of the lamina propria of the tympanic membrane. Experimental studies have used otomicroscopy or histology to evaluate myringosclerosis in animals, but they do not correlate precisely these two methods. The present study evaluates the accuracy of otomicroscopy in the diagnosis of myringosclerosis in rats. Experimental. Myringosclerosis was induced by transtympanic inoculation of Streptococcus pneumoniae in 25 Wistar rats, which were examined weekly through otomicroscopy and sacrificed after eight weeks for histologic study of their tympanic membranes. From the comparison of the otomicroscopic data in relation to the histologic findings, we could observe sensibility of 80% and specificity of 75% for the otomicroscopy. Considering the results in this study, otomicroscopy did not represent a good method to evaluate myringosclerosis in this experimental model.

Citations

Dec 27, 2011·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Necmi ArslanHaldun Oguz
Feb 15, 2013·The Journal of Laryngology and Otology·A A MeloA J C Campos
Nov 1, 2018·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Selda Kargin KaytezOzlem Akkoca

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