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Brain Imaging

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...

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Brain Imaging in Patients with Non-Small Cell Lung Cancer-A Systematic Review.

Nora Mayer¹, Laura Boschetti², Marco Scarci³

¹Division of Thoracic Surgery, Cantonal Hospital Lucerne, 6000 Lucerne, Switzerland.

Journal of Clinical Medicine

|February 13, 2025

Summary

This summary is machine-generated.

Brain imaging is recommended for non-small cell lung cancer (NSCLC) patients with stage III disease or neurological symptoms. Preoperative brain imaging is unnecessary for stage IA NSCLC and pure Ground-Glass Opacity lesions.

Keywords:

MRI brain imaging brain metastases non-small cell lung cancer (NSCLC)preoperative staging

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Area of Science:

Oncology
Radiology
Medical Imaging

Background:

Lung cancer frequently metastasizes to distant organs, negatively impacting survival and quality of life.
Accurate staging, including detection of distant metastases, is crucial for optimizing non-small cell lung cancer (NSCLC) treatment and prognosis.
The role of preoperative brain imaging in early-stage NSCLC remains debated due to the low incidence of brain metastases.

Purpose of the Study:

To systematically review the literature on preoperative brain imaging in NSCLC staging.
To compare current international guidelines regarding brain imaging recommendations for NSCLC patients.
To identify optimal practices for brain imaging in NSCLC staging across different disease stages.

Main Methods:

A systematic literature search was conducted for publications from 1999 to 2024 on preoperative brain imaging in stages I-IV NSCLC.
Data extraction focused on study characteristics, imaging modalities, incidence of brain metastases, and study outcomes.
Major international guidelines on brain imaging in NSCLC staging were identified and compared.

Main Results:

Twenty-five studies were included, primarily focusing on early-stage NSCLC, with magnetic resonance imaging (MRI) being the main modality.
Guidelines show variability, with some recommending preoperative brain imaging for stage III NSCLC and others suggesting it from stage II.
All guidelines consistently recommend brain imaging for patients with neurological symptoms suggestive of brain metastases.

Conclusions:

Preoperative brain imaging is recommended for neurologically symptomatic NSCLC patients and those with stage III disease.
Neuroimaging is considered unnecessary for stage IA NSCLC and pure Ground-Glass Opacity lesions.
Contrast-enhanced MRI (ce-MRI) is the predominant imaging modality, though inconsistencies in recommendations for stage II NSCLC persist, highlighting the need for prognostic factor identification.