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Related Concept Videos

Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

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 to...
Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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Related Experiment Video

Updated: May 10, 2026

Low-Cost Single-Port (LoCoSP) Device for a Transcervical Approach in Minimally Invasive Transhiatal Esophagectomy
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Extended cervical mediastinoscopy revisited.

Biruta Witte1, Michael Wolf, Hubertus Hillebrand

  • 1Department of Thoracic Surgery, Katholisches Klinikum Koblenz-Montabaur, Koblenz, Germany.

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
|June 28, 2013
PubMed
Summary

Selective extended cervical mediastinoscopy (ECM) significantly improves mediastinal staging for left-sided lung cancer. This technique enhances diagnostic accuracy and negative predictive value when combined with video-assisted mediastinoscopic lymphadenectomy (VAMLA).

Keywords:
Extended cervical mediastinoscopyLung carcinomaMediastinal stagingMediastinoscopyVideo-assisted mediastinoscopic lymphadenectomy

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Area of Science:

  • Thoracic Surgery
  • Surgical Oncology
  • Diagnostic Imaging

Background:

  • Mediastinal lymph node staging is crucial for determining treatment strategies in lung cancer.
  • Accurate staging of potentially resectable left-sided lung carcinoma requires precise assessment of mediastinal involvement.
  • Limitations exist in conventional mediastinoscopic techniques for comprehensive staging.

Purpose of the Study:

  • To evaluate the diagnostic utility of selective extended cervical mediastinoscopy (ECM) combined with video-assisted mediastinoscopic lymphadenectomy (VAMLA).
  • To assess the efficacy of ECM and VAMLA in the mediastinal staging of left-sided lung carcinoma.
  • To compare the diagnostic performance of ECM and VAMLA with other mediastinal dissection methods.

Main Methods:

  • Retrospective analysis of 110 extended cervical mediastinoscopy (ECM) procedures for enlarged aorto-pulmonary (AP) zone lymph nodes.
  • Calculation of staging sensitivity, negative predictive value (NPV), and specificity for ECM, VAMLA, and systematic dissection in 92 patients with left-sided lung carcinoma.
  • Comparison of diagnostic accuracy between selective ECM, combined ECM and VAMLA, VAMLA alone, and systematic dissection via video-assisted thoracoscopic surgery (VATS) or thoracotomy.

Main Results:

  • Selective ECM was performed in 12.6% of cases with minimal morbidity (one vascular complication).
  • ECM impacted mediastinal staging in 78.0% of lung cancer cases.
  • For detecting nodal involvement in the AP zone, ECM demonstrated sensitivity, NPV, and specificity of 0.94, 0.96, and 1, respectively.
  • The combination of ECM and VAMLA achieved sensitivity, NPV, and specificity of 0.94, 0.96, and 1 for detecting any mediastinal disease, outperforming VAMLA alone and systematic dissection.

Conclusions:

  • Selective extended cervical mediastinoscopy (ECM) is a valuable addition to mediastinoscopic staging procedures for left-sided lung tumors.
  • The combination of ECM and VAMLA enhances sensitivity and NPV for comprehensive mediastinal staging.
  • Careful technique and experience are essential to mitigate the rare risk of vascular complications associated with ECM.