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Updated: Apr 1, 2026

Robot-Assisted Transcanal Endoscopic Ear Surgery for Congenital Cholesteatoma
Published on: December 15, 2023
Multidimensional staging system for pediatric acquired cholesteatoma: A 30-year verification data
Chin-Lung Kuo1, An-Suey Shiao2, Chien-Hao Chen3
1Department of Otolaryngology-Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan, ROC; Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan, ROC; Department of Otolaryngology, National Yang-Ming University School of Medicine, Taipei, Taiwan, ROC; Department of Otolaryngology, Hsinchu Armed Force Hospital, Hsinchu, Taiwan, ROC; Department of Otolaryngology, Taoyuan Armed Forces General Hospital, Taoyuan, Taiwan, ROC.
Insights
A new points-based model predicts pediatric acquired cholesteatoma recurrence. This staging system identifies children at high risk for surgical failure and recidivism.
Area of Science:
- Otolaryngology
- Pediatric Surgery
- Medical Prognostics
Background:
- Pediatric acquired cholesteatoma presents a significant surgical challenge.
- Surgical failure and recurrence rates necessitate improved prognostic tools.
Purpose of the Study:
- To introduce a points-based prognostic prediction model for pediatric acquired cholesteatoma.
- To incorporate multidimensional factors contributing to surgical failure.
Main Methods:
- A cohort of 132 ears from 128 children (≤18 years) with acquired cholesteatoma was analyzed.
- Cases were scored based on cholesteatoma extent, grommet history, age, ossicular destruction, and otorrhea.
- Patients were classified into Stage I, II, or III, with recidivism rates compared across stages.
Main Results:
- Stage I cases showed 0% cumulative recidivism.
- Stage II cases had a cumulative recidivism rate leveling off at 15.7% after 18 years.
- Stage III cases showed a cumulative recidivism rate leveling off at 34.1% after 17 years.
- Statistically significant differences in cumulative recidivism curves and linear trends were observed across stages (p<0.05).
Conclusions:
- The proposed multidimensional staging system effectively links cholesteatoma severity to patient outcomes.
- This system allows for patient stratification based on prognosis.
- It aids in identifying children at higher risk of recurrence.
Objective:
This article presents a points-based prognostic prediction model for pediatric acquired cholesteatoma, incorporating the multidimensional factors that contribute to surgical failure.
Methods:
This study included 132 ears with acquired cholesteatoma from 128 children (≤18 years) identified between 1982 and 2012. Each case was scored for the extent of the cholesteatoma, history of grommet insertion, age of the patient, ossicular destruction, and otorrhea. The patients were classified as stage I, II, or III. We compared differences between stages regarding the cumulative rates of recidivism and linear trends in these rates.
Results:
Among stage I cases, the rate of cumulative recidivism was 0%; however, among stage 2 cases, this increased with time, eventually leveling off at 15.7% after 18 years of follow-up. The same was observed among stage III cases, which leveled off at 34.1% after 17 years of follow-up. In the second half of the cohort and the entire cohort, differences in the cumulative recidivism curves reached statistical significance, as did the linear trends (all p<0.05).
Conclusions:
Our findings demonstrate the efficacy of the proposed multidimensional staging system in linking the severity of cholesteatoma to outcomes, thereby enabling the stratification of patients according to prognosis in order to identify children at risk of recidivism.

