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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 Stimulation (TMS).

Imaging Studies I: CT and MRI

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...

Imaging Studies VII: Vascular Imaging

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...

Imaging Studies III: Computed Tomography

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET

Imaging Studies IV: Magnetic Resonance Imaging

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...

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Updated: Jun 28, 2026

Modeling Brain Metastases Through Intracranial Injection and Magnetic Resonance Imaging

Modeling Brain Metastases Through Intracranial Injection and Magnetic Resonance Imaging

Published on: June 7, 2020

[Imaging of gliomas].

N Martin-Duverneuil¹, R Guillevin, J Chiras

¹Service de neuroradiologie, groupe hospitalier de la Pitié-Salpêtrière, 47-83 boulevard de l'Hôpital, 75013 Paris, France. nadine.martin-duverneuil@psl.aphp.fr

Cancer Radiotherapie : Journal De La Societe Francaise De Radiotherapie Oncologique

|October 17, 2008

Summary

This summary is machine-generated.

Advanced MRI techniques, including diffusion, perfusion, and spectroscopy, enhance glioma diagnosis. These metabolic imaging methods improve tumor characterization, biopsy guidance, and treatment monitoring.

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Area of Science:

Neuroimaging
Oncology
Radiology

Context:

Recent advancements in Magnetic Resonance Imaging (MRI) have transformed glioma assessment.
Traditional morphological MRI is now complemented by advanced sequences offering metabolic insights.

Purpose:

To explore the role of novel MRI sequences in the diagnosis and management of gliomas.
To highlight how diffusion, perfusion, and spectroscopy improve tumor characterization and treatment planning.

Summary:

New MRI techniques like diffusion, perfusion (angiogenesis-related), and spectroscopy (metabolic data) provide a metabolic approach to gliomas.
These methods aid in precise diagnosis, identifying active tumor areas (hyperperfusion, high Ki67 index), optimizing biopsies, and evaluating lesion evolution.
Combined sequences help differentiate gliomas from other masses like lymphomas, metastases, or abscesses, though histological diagnosis remains essential.

Impact:

Improved diagnostic accuracy for gliomas and differentiation from other intracranial lesions.
Enhanced ability to guide biopsies to the most active tumor regions.
Better monitoring of treatment response and disease progression.