Related Experiment Video

Updated: Jan 26, 2026

Assessing Cortical Cerebral Microinfarcts on High Resolution MR Images
08:39

Assessing Cortical Cerebral Microinfarcts on High Resolution MR Images

Published on: November 20, 2015

14.0K

High-Resolution MRI Microscopy Coil Assessment of Parotid Masses

Daniel Thomas Ginat1, Gregory Christoforidis1

  • 1Department of Radiology, University of Chicago, Pritzker School of Medicine, Chicago, IL, USA.

Ear, Nose, & Throat Journal
|April 10, 2019
PubMed

Insights

High-resolution magnetic resonance imaging (MRI) microscopy coils enhance parotid mass imaging, improving lesion margin definition and morphology details. This specialized MRI technique offers superior visualization of superficial parotid gland abnormalities.

Area of Science:

  • Radiology
  • Medical Imaging
  • Oncology

Background:

  • Parotid gland masses require accurate imaging for diagnosis and treatment planning.
  • Conventional MRI sequences may have limitations in depicting the fine details of superficial parotid lesions.

Purpose of the Study:

  • To evaluate the efficacy of high-resolution magnetic resonance imaging (MRI) microscopy coil imaging in improving the depiction of parotid masses.
  • To compare the diagnostic performance of microscopy coil MRI with conventional MRI sequences for parotid gland lesions.

Main Methods:

  • 14 parotid masses (7 neoplasms, 2 lymph nodes, 5 cysts) were imaged using a 47-mm diameter microscopy coil with T2-weighted and fat-suppressed postcontrast T1-weighted sequences.
  • Images were compared with conventional MRI sequences acquired using a standard head and neck neurovascular coil.

Main Results:

  • Microscopy coil MRI provided superior definition of neoplasm margins and detailed lymph node morphology compared to conventional MRI.
  • It better depicted cyst contents and offered significantly improved delineation of lesions and surrounding tissues in the superficial parotid gland.
  • Fat-suppressed postcontrast T1-weighted microscopy coil images were superior to T2-weighted images for superficial parotid gland delineation.

Conclusions:

  • High-resolution MRI microscopy coil imaging significantly enhances the visualization of superficial parotid gland masses.
  • This technique offers improved diagnostic detail for parotid neoplasms, lymph nodes, and cystic lesions.
  • While effective, the use of microscopy coil sequences increases overall examination time by over 10 minutes.
Keywords:
MRImicroscopyparotidresolutiontumors

More Related Videos

Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis05:56

Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis

Published on: August 9, 2024

2.4K
MRI-guided dmPFC-rTMS as a Treatment for Treatment-resistant Major Depressive Disorder08:20

MRI-guided dmPFC-rTMS as a Treatment for Treatment-resistant Major Depressive Disorder

Published on: August 11, 2015

14.5K

Related Concept Videos

High-Resolution Mass Spectrometry (HRMS)01:15

High-Resolution Mass Spectrometry (HRMS)

The resolution of a mass spectrometer depends on the efficiency of separating ions with different ion masses. The mass of an atom is approximated to the sum of the masses of protons and neutrons inside, considering the masses of protons and neutrons as equal. However, the masses of the proton (1.6726 × 10−24 g) and neutron (1.6749 × 10−24 g) are not truly equal. There is a minor error in the expression of atomic masses relative to the simplest atom of hydrogen. For...
2.4K
Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
12.3K
Atomic Mass01:52

Atomic Mass

Atoms — and the protons, neutrons, and electrons that compose them — are extremely small. For example, a carbon atom weighs less than 2 × 10−23 g. When describing the properties of tiny objects such as atoms, we use appropriately small units of measure, such as the atomic mass unit (amu). The amu was originally defined based on hydrogen, the lightest element, then later in terms of oxygen. Since 1961, it has been defined with regard to the most abundant isotope of carbon, atoms of which...
69.9K
Molar Mass01:54

Molar Mass

The identity of a substance is defined not only by the types of atoms or ions it contains but by the quantity of each type of atom or ion. For example, water, H2O, and hydrogen peroxide, H2O2, are alike in that their respective molecules are composed of hydrogen and oxygen atoms. However, because a hydrogen peroxide molecule contains two oxygen atoms, as opposed to the water molecule, which has only one, the two substances exhibit very different properties.
86.3K
Imaging Studies I: CT and MRI01:14

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...
849
Formula Mass and Mole Concepts of Compounds02:56

Formula Mass and Mole Concepts of Compounds

Formula Mass of Covalent Compounds
80.8K