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Related Concept Videos

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
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Related Experiment Video

Updated: Jun 16, 2026

Systematic Endobronchial Ultrasound - The Six Landmarks Approach
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Published on: August 11, 2023

Pulmonologist's Road Map to Mediastinal Lymph Node Imaging.

Hamza Jawad1, Jonathan H Chung2

  • 1Mallinckrodt Institute of Radiology, Barnes-Jewish/Washington University in St. Louis School of Medicine, 510 South Kingshighway Boulevard St Louis, MO 63110, USA.

Clinics in Chest Medicine
|February 14, 2018
PubMed
Summary
This summary is machine-generated.

The International Association for Study of Lung Cancer (IASLC) map aids in staging non-small cell lung cancer. This guide details IASLC mediastinal lymph node stations, sampling techniques, and potential imaging pitfalls.

Keywords:
International Association for the Study of Lung Cancer (IASLC) mapMediastinal lymph node samplingMediastinal lymphadenopathyMediastinal processes simulating lymphadenopathy

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Area of Science:

  • Radiology
  • Thoracic Oncology
  • Medical Imaging

Background:

  • Mediastinal lymph node staging is crucial for non-small cell lung cancer (NSCLC) treatment.
  • Lymph node station maps standardize the description and location of mediastinal nodes.
  • The International Association for Study of Lung Cancer (IASLC) developed the latest mediastinal lymph node map.

Purpose of the Study:

  • To illustrate the imaging appearance of each mediastinal lymph node station according to the IASLC map.
  • To provide an overview of mediastinal lymph node sampling techniques.
  • To discuss common pitfalls and challenges associated with the IASLC map.

Main Methods:

  • Review of imaging findings for each IASLC mediastinal lymph node station.
  • Description of common mediastinal lymph node sampling procedures.
  • Analysis of potential imaging artifacts and anatomical variations that may mimic lymphadenopathy.

Main Results:

  • Detailed imaging characteristics are presented for all IASLC-defined mediastinal lymph node stations.
  • Key sampling techniques, including biopsy methods, are summarized.
  • Common sources of error, such as anatomical variants and simulated lymphadenopathy, are highlighted.

Conclusions:

  • The IASLC map provides a standardized framework for mediastinal lymph node staging in NSCLC.
  • Understanding the imaging appearance and potential pitfalls of the IASLC map is essential for accurate nodal staging.
  • Familiarity with sampling techniques and differentiating true lymphadenopathy from mimics improves diagnostic accuracy.