Related Experiment Video
Updated: Jan 31, 2026
09:30
Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
Published on: December 18, 2016
20.1K
Quantitative diffusion magnetic resonance imaging in head and neck tumors
1Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT, USA.
Quantitative Imaging in Medicine and Surgery
|January 2, 2019
Summary
Quantitative diffusion magnetic resonance imaging (MRI) offers advanced insights into head and neck tumors (HNT). This technique aids in early cancer detection, predicting patient outcomes, and monitoring treatment effectiveness beyond standard anatomical scans.
Area of Science:
- Oncology
- Radiology
- Medical Imaging
Background:
- Conventional anatomical MRI is standard for head and neck cancer (HNC) evaluation.
- Limitations exist in anatomical MRI for precise tumor characterization and monitoring.
Purpose of the Study:
- To review the applications of quantitative diffusion MRI in head and neck tumors (HNT).
- To highlight the added value of diffusion MRI over conventional MRI for HNT assessment.
Main Methods:
- Review of quantitative diffusion MRI techniques and their application in HNT.
- Analysis of diffusion MRI's role in lesion identification, pathology differentiation, and treatment monitoring.
Main Results:
- Quantitative diffusion MRI enhances the identification of primary malignant tissue in HNT.
- It aids in differentiating tumor pathology and predicting molecular phenotypes.
- Diffusion MRI is valuable for monitoring treatment response and evaluating post-treatment changes.
Conclusions:
- Quantitative diffusion MRI provides significant added value to standard anatomical MRI for HNT.
- It improves diagnostic accuracy, prognostic prediction, and treatment evaluation in head and neck cancer patients.
Related Concept Videos
01:26Arteries of the Head and Neck
3.2K
The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
3.2K
01:19Veins of Head and Neck
5.5K
The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
5.5K
01:24Magnetic Resonance Imaging
9.3K
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
9.3K
01:27Imaging Studies IV: Magnetic Resonance Imaging
278
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,...
278
01:05Atomic Nuclei: Magnetic Resonance
1.2K
The number of nuclear spins aligned in the lower energy state is slightly greater than those in the higher energy state. In the presence of an external magnetic field, as the spins precess at the Larmor frequency, the excess population results in a net magnetization oriented along the z axis. When a pulse or a short burst of radio waves at the Larmor frequency is applied along the x axis, the coupling of frequencies causes resonance and flips the nuclear spins of the excess population from the...
1.2K
01:12Diffusion
218.5K
Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
218.5K