IJOHNS  Vol.3 No.1 , January 2014
The Recurrence Rate of Pars Tensa Retraction Cholesteatoma and a New Staging System

Objective: To investigate the cumulative recurrence rate of pars tensa retraction cholesteatoma on the new staging system established by Japan Otological Society (JOS). Materials and Methods: It is a retrospective study and performed in a tertiary and academic center. The series comprised 71 patients with pars tensa retraction cholesteatoma who underwent surgical treatment by a single surgeon between 1994 and 2007. Results: The 10-year cumulative recurrence rate of pars tensa retraction cholesteatoma was 12.1% overall, 20.0% in Stage I, 14.4% in Stage II and 6.2% in Stage III. Conclusions: The JOS staging system for pars tensa retraction cholesteatoma did not reflect the prognosis. The development of a common international staging system for cholesteatoma in the future is desirable.

Cite this paper: Y. Mishiro, H. Katsura, T. Kitahara and M. Sakagami, "The Recurrence Rate of Pars Tensa Retraction Cholesteatoma and a New Staging System," International Journal of Otolaryngology and Head & Neck Surgery, Vol. 3 No. 1, 2014, pp. 1-3. doi: 10.4236/ijohns.2014.31001.

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