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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