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KMID : 0361020140570070442
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Korean Journal of Otolaryngology - Head and Neck Surgery
2014 Volume.57 No. 7 p.442 ~ p.447
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The Clinical Effectiveness of the Minimally Invasive Transcanal Myringotomy for the Removal of Early Stage Congenital Cholesteatoma
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Kang Gi-Geun
Seo Ji-Won
Jeong Sung-Wook
Hong Jong-Chul
Kang Myung-Koo
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Abstract
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Background and Objectives: Because of the wide application of the endoscopic diagnostic system and increased amount of attention for early stage congenital cholesteatoma (CC) recently, the detection of CC in stages I and II has increased. In this study, we investigated the effectiveness of minimally invasive transcanal myringotomy (MITM), and compared its results with those of postauricular approach (PAA) in early stage CC consisting of stage I and II of Potsic’s classification.
Subjects and Methods: We retrospectively studied 70 patients who were diagnosed with CC after surgery performed by an otologist from June 2006 to June 2013. Thirty-two patients were in early stage CC consisting stage I and II. Of the 32 patients, MITM was performed on 20 and PAA was performed on 12. We analyzed the characteristics of disease, operation time, hospitalization period, recurrence and complications according to the stage and each operation.
Results: There were no significant differences between the stages and types of the disease between the MITM and the PAA group (p>0.05). The operation time and hospitalization period for the MITM group were significantly shorter than for the PAA group (p<0.001). There was no recurrence in the two groups during the average follow-up period of 33 months follow-up. Tympanic membrane perforation occurred in one patient in the MITM group. One patient presenting an external aural epidermal cyst in the PAA group was treated with surgical removal.
Conclusion: The MITM is an efficacious and feasible method to remove early stage CC.
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KEYWORD
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Congenital cholesteatoma, Minimally invasive transcanal myringotomy
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