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Updated: Aug 6, 2026
Endoscopic Cholesteatoma Surgery
Published on: January 19, 2022
Correlation of cholesteatomas perimatrix thickness with patient's age
Cristina Dornelles1, Sady Selaimen da Costa, Luíse Meurer
1Program of Post-Graduation in Medical Sciences: Pediatrics-UFRGS, and Hospital de Clínicas de Porto Alegre-Federal University of Rio Grande do Sul.
Insights
Pediatric cholesteatomas exhibit more aggressive growth than adult forms. This study measured perimatrix thickness in pediatric versus adult cholesteatomas, finding significant differences.
Area of Science:
- Otolaryngology
- Pathology
- Histology
Background:
- Cholesteatoma, a skin-lined cyst, can affect both children and adults.
- Pediatric cholesteatomas are often characterized by more aggressive and extensive growth patterns compared to adult cases.
Purpose of the Study:
- To quantitatively compare the perimatrix thickness (in micrometers) between cholesteatomas found in children and adults.
Main Methods:
- A transversal cohort study included 74 cholesteatomas (35 pediatric).
- Tissue samples were processed for Hematoxylin-Eosin (HE) and Picrosirius staining.
- Digital imaging and microscopic analysis were performed, with Spearman's coefficient used for statistical analysis.
Main Results:
- The study compared perimatrix thickness in pediatric and adult cholesteatomas.
- Statistical analysis was conducted to determine significant differences.
Conclusions:
- The findings contribute to understanding the histopathological differences between pediatric and adult cholesteatomas.
- This research may inform clinical approaches to managing pediatric cholesteatoma due to its aggressive nature.
Unlabelled:
Cholesteatoma may occur either in children as in adults; in children, however, they have a more aggressive and extensive growth.
Objective:
To compare the thickness of the perimatrix, in microm, between adults (>18 years old) and children cholesteatomas.
Study Design:
transversal cohort.
Material And Method:
74 cholesteatomas (35 of children) obtained from othologic surgeries were included, fixed in formol 10%. It was made laminas with HE and Picrossisius, with were studied at the optic microscope. We obtained digital images of the laminas at the Image Pro-Plus and we used Spearman's coefficient for data analysis. Differences were considered statistically significant if P.
