Cholesteatoma Registry for Surgical Strategy - Japan (CROSS-J)

未提供0 个研究点目标入组 8,000 人开始时间: 待定

试验速览

暂无简介。

•Patients newly diagnosed with middle ear cholesteatoma.
•Patients whose cholesteatoma is classified as pars flaccida cholesteatoma, pars tensa cholesteatoma, secondary cholesteatoma, or congenital cholesteatoma.
•Patients who undergo primary surgery for middle ear cholesteatoma during the study registration period.
•Patients for whom written informed consent for participation in this study is obtained from the patient or a legally acceptable representative.
•Patients treated at institutions certified as otologic surgery training facilities by the Japan Otological Society.
•No restrictions are placed on age or sex.

•Patients with a history of previous surgery for middle ear cholesteatoma.
•Patients judged to be unable to undergo long-term postoperative follow-up for up to 10 years.
•Patients whose disease status is unclear and cannot be classified into the predefined disease types.
•Patients who do not provide consent for participation in this study or who withdraw consent.

发起方

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