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01.12.2012 | Research | Ausgabe 1/2012 Open Access

World Journal of Surgical Oncology 1/2012

Vocal fold composition and early glottic carcinoma infiltration

Zeitschrift:
World Journal of Surgical Oncology > Ausgabe 1/2012
Autoren:
Qin Fang, Yang Wang, Xiaoyan Zhao, Luhong Cao, Na Sun, Xuejun Tan, Lide Wu, Guangbin Sun
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1477-7819-10-178) contains supplementary material, which is available to authorized users.
Qin Fang, Yang Wang contributed equally to this work.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

Qin Fang collected the samples and drafted the manuscript, Yang Wang made the frozen and paraffin-embedded sections, Xiaoyan Zhao , Luhong Cao ,Xuejun Tan and LideWu collected the samples, Na Sun carried out the data analysis, Guangbin Sun designed the study, made the measurement and drafted the manuscript. All authors read and approved the final manuscript.

Abstract

Background

Current imaging techniques provide only limited information pertaining to the extent of infiltration of laryngeal carcinomas into vocal fold tissue layers. Therefore, it is needed to seek the contribute to the body of knowledge surrounding examination and characterization in laryngeal carcinoma infiltration.

Methods

Excised larynges were collected from 30 male laryngectomy patients with an average age of 43.5 years (ranging 36 to 55 years) and history of smoking (≥10 years) exhibiting T1, T2, or subglottal (normal vocal fold) carcinomas. Vocal folds were preserved via freezing or immersion in paraffin. The depth of the mucosa, submucosa, and muscular layers in both normal vocal folds and tumor tissues of afflicted vocal folds was measured.

Results

The average depths of the mucosa, submucosa, and muscular layers in normal vocal folds were 0.15 ± 0.06 mm, 2.30 ± 0.59 mm, and 2.87 ± 0.88 mm, respectively. Infiltration measurements of T1 tumors showed a depth of 1.62 ± 0.51 mm and 1.32 ± 0.49 mm in frozen sections and paraffin-embedded samples, respectively. Similarly, T2 tumors showed a depth of 2.87 ± 0.68 mm and 2.58 ± 0.67 mm in frozen sections and paraffin-embedded samples, respectively. T1 and T2 tumors occupied 24.8 ± 10 and 48.5 ± 15 percent of the normal vocal fold depth, respectively.

Conclusion

This data provides a baseline for estimating infiltration of laryngeal carcinomas in vocal fold tissue layers, of particular interest to surgeons. This information may be used to assess typical depths of infiltration, thus allowing for more appropriate selection of surgical procedures based on individual patient assessment.
Zusatzmaterial
Authors’ original file for figure 1
12957_2012_1095_MOESM1_ESM.tiff
Literatur
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