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Updated: Jul 3, 2026

09:58
Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp
Published on: February 3, 2014
[Electron microscopic observation of vocal fold polyps]
Dong-Yan Huang1, Wei-Yan Yang, Jian-He Sun
1Department of Otorhinolaryngology Head and Neck Surgery, General Hospital Chinese People's Liberation Army, Beijing 100853, China.
Summary
Vocal fold polyps show activated fibroblasts and irregular collagen and elastic fibers, indicating active extracellular matrix metabolism and potential inflammation contributing to vocal fold dysfunction.
Area of Science:
- Otolaryngology
- Cell Biology
- Pathology
Context:
- Vocal fold polyps are benign lesions affecting voice quality.
- Understanding the cellular and extracellular matrix changes is crucial for diagnosis and treatment.
Purpose:
- To investigate the ultrastructural changes in fibroblasts, collagen, and elastic fibers within vocal fold polyps.
- To correlate these ultrastructural findings with potential functional alterations.
Summary:
- Transmission and scanning electron microscopy revealed increased and activated fibroblasts with abundant organelles in vocal fold polyps.
- Extracellular matrix metabolism appeared active, with observed leukocyte infiltration suggesting an inflammatory role.
- Collagen and elastic fibers were found to be irregularly arranged in polyp specimens.
Impact:
- These findings highlight significant ultrastructural alterations in vocal fold polyps.
- The observed changes in fibroblasts and extracellular matrix components may underlie the functional deficits associated with these lesions.

