Search research articles

Related Concept Videos

Imaging Studies for Cardiovascular System V: CT

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

BRAF <sup><b>V600E</b></sup> Metastatic Synovial Sarcoma Treated with BRAF & MEK Inhibitors Achieves Complete Response. A Case Report & Literature Review.

Oncology research·2026

Same author

Predicting adverse perinatal outcomes in small-for-gestational-age fetuses using MRI, ultrasound, and clinical data.

Radiology advances·2025

Same author

Crisis-Responsive Imaging: Lessons from a High-Volume Mass Casualty Incident.

Radiology·2025

Same author

Annotation-efficient deep learning detection and measurement of mediastinal lymph nodes in CT.

International journal of computer assisted radiology and surgery·2025

Same author

Streamlining the annotation process by radiologists of volumetric medical images with few-shot learning.

International journal of computer assisted radiology and surgery·2025

Same author

Navigating the AI Landscape in Medical Imaging: A Critical Analysis of Technologies, Implementation, and Implications.

Radiology·2025

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: May 2, 2026

Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement

Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement

Published on: July 29, 2013

Variability in Mediastinal Lymph Node Measurements in Chest Contrast-enhanced CT: Time to Change the Paradigm?

Alon Olesinksi¹, Richard Lederman², Yusef Azraq²

¹School of Computer Science and Engineering, The Hebrew University of Jerusalem.

Journal of Thoracic Imaging

|October 17, 2025

Summary

Mediastinal lymph node size measurement shows high agreement between radiologists and automated methods. Automated SAL measurements from manual delineations offer a reliable, time-saving tool for classifying lymph node enlargement.

Keywords:

enlarged and normal lymph nodes classification mediastinal lymph nodes observer variability short axis measurement

More Related Videos

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Published on: May 4, 2022

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

Published on: April 12, 2024

Related Experiment Videos

Last Updated: May 2, 2026

Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement

Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement

Published on: July 29, 2013

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Published on: May 4, 2022

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

Published on: April 12, 2024

Area of Science:

Radiology
Medical Imaging
Oncology

Background:

Accurate measurement of mediastinal lymph nodes (LNs) is crucial for patient assessment.
Short axis length (SAL) is manually measured on CT scans, with SAL ≥10 mm indicating pathological enlargement.

Purpose of the Study:

To quantify interobserver agreement and variability in manual SAL measurements.
To compare manual SAL measurements with automatically computed SALs from manual LN delineations.
To establish the mean SAL measurement error.

Main Methods:

Two radiologists independently measured SALs of 451 LNs in 40 contrast-enhanced chest CT scans.
One radiologist also manually delineated LN contours for automated SAL computation.
Bland-Altman statistics were used to analyze differences between measurements.

Main Results:

High overall agreement (93.8%) was observed between radiologists for normal/enlarged LN classification.
Interobserver SAL differences were 1.1 mm for agreement and 3.5 mm for disagreement.
Agreement between manual and automatically computed SALs was 92.7%, similar to interobserver variability.

Conclusions:

Classification of mediastinal LNs by SAL measurement shows high agreement.
Automated SAL computation from manual delineations is a reliable and time-saving tool.
A 3-tier classification (normal <8 mm, possibly enlarged 8-12 mm, definitely enlarged >12 mm) is supported by the ±2 mm error margin.