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Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

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Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due...
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The Thyroid Gland

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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
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An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
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Related Experiment Video

Updated: May 4, 2026

"Sun's Seven-Step Technique" for Endoscopic En-Bloc Resection of Thyroid Cancer via the Chest-Breast Approach
07:45

"Sun's Seven-Step Technique" for Endoscopic En-Bloc Resection of Thyroid Cancer via the Chest-Breast Approach

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[Clinical application of modified endoscopic thyroidectomy].

Bing-xing Zheng1, Tian-xiong Shi1, Jian-wei Deng1

  • 1General Surgery of Zhongshan City People's Hospital, Zhongshan 528403, China.

Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Chinese Journal of Otorhinolaryngology Head and Neck Surgery
|January 11, 2014
PubMed
Summary

The mammary areola approach for endoscopic thyroidectomy offers better cosmetic results and less postoperative pain compared to the chest wall approach. This minimally invasive technique is safe and effective for thyroid nodules.

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Area of Science:

  • Endocrinology
  • Surgical Oncology
  • Minimally Invasive Surgery

Background:

  • Endoscopic thyroidectomy offers a minimally invasive alternative to conventional open surgery for thyroid nodules.
  • Different endoscopic approaches exist, each with potential advantages and disadvantages regarding outcomes and aesthetics.

Purpose of the Study:

  • To compare the clinical outcomes of endoscopic thyroidectomy using the mammary areola approach versus the conventional chest wall and breasts approach.
  • To evaluate postoperative complications, recurrence rates, and aesthetic satisfaction between the two surgical techniques.

Main Methods:

  • A retrospective review of 480 patients undergoing endoscopic thyroidectomy for thyroid nodules between 2002 and 2012.
  • Comparison of operative time, puncture pore characteristics, bleeding volume, hospital stay, pain scores (VAS), long-term complications, recurrence rates, and scar satisfaction.
  • Statistical analysis using chi-squared test, Student's t-test, and ANOVA.

Main Results:

  • The mammary areola approach showed significantly smaller puncture pore diameters (15.5 mm vs. 20.6 mm) and reduced intraoperative bleeding (16.2 ml vs. 30.5 ml).
  • Postoperative pain scores on day one were lower (1.0 vs. 1.5), and scar cosmetic satisfaction was significantly higher with the mammary areola approach.
  • No significant differences were observed in operation time, hospital stay, or nodule recurrence rates. Chest wall numbness was significantly reduced (0% vs. 72.4%) with the mammary areola approach.

Conclusions:

  • Endoscopic thyroidectomy via the mammary areola approach is a safe and effective surgical option for thyroid nodules.
  • This approach offers superior aesthetic outcomes and reduced postoperative pain compared to the chest wall and breasts approach.
  • The mammary areola technique minimizes visible scarring and improves patient satisfaction.