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Related Concept Videos

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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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.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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  11. The Value Of Radiomics Features Based On Hrct In Predicting Whether The Lung Sub-centimeter Pure Ground Glass Nodule Is Benign Or Malignant

The Value of Radiomics Features Based on HRCT in Predicting whether the Lung Sub-Centimeter Pure Ground Glass Nodule is Benign or Malignant

Xiaoxia Ping1, Yuanqing Liu1, Rong Hong1

  • 1Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou, China.

Current Medical Imaging
|July 11, 2024

Related Experiment Videos

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
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Multifractal Spectrum Analysis for Assessing Pulmonary Nodule Malignancy
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View abstract on PubMed

Summary
This summary is machine-generated.

A new radiomics model using High-Resolution Computed Tomography (HRCT) can predict benign or malignant sub-centimeter pure Ground Glass Nodules (pGGN). This noninvasive approach shows promise for pre-surgical risk assessment.

Area of Science:

  • Medical Imaging
  • Radiology
  • Oncology

Background:

  • Sub-centimeter pure Ground Glass Nodules (pGGN) pose diagnostic challenges.
  • Accurate pre-surgical differentiation between benign and malignant pGGNs is crucial for patient management.

Purpose of the Study:

  • To develop and validate a radiomics model for noninvasive prediction of malignancy in sub-centimeter pGGNs.
  • To compare the performance of a radiomics model against a clinical model and a combined model.

Main Methods:

  • Retrospective analysis of 251 sub-centimeter pGGNs from 235 patients with High-Resolution Computed Tomography (HRCT) data.
  • Extraction of 1316 radiomics features, with selection using Least Absolute Shrinkage and Selection Operator (LASSO) regression.
  • Development of clinical, radiomics, and combined models, with performance evaluated using Receiver Operating Characteristic (ROC) curves and Decision Curve Analysis (DCA).
Keywords:
BenignCT scans.Malignant lesionsPure ground glass nodule

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Main Results:

  • The radiomics model (AUC=0.844) and combined model (AUC=0.871) demonstrated superior performance compared to the clinical model (AUC=0.773).
  • Decision Curve Analysis (DCA) indicated greater clinical utility for the radiomics and combined models in predicting pGGN status.

Conclusions:

  • A radiomics model derived from HRCT images can effectively predict the nature of sub-centimeter pGGNs.
  • This noninvasive radiomics approach may aid in pre-operative decision-making for lung nodules.
Radiomics
Sub-centimeter