Related Experiment Video
Updated: Jan 29, 2026
08:08
Simulator Training for Endovascular Neurosurgery
Published on: May 6, 2020
4.2K
Magnetic Particle Imaging in Neurosurgery
Antonio Meola1, Jianghong Rao2, Navjot Chaudhary1
1Department of Neurosurgery, Stanford University, Stanford, California, USA.
World Neurosurgery
|February 11, 2019
Summary
Magnetic Particle Imaging (MPI) offers radiation-free, high-resolution visualization for neurosurgery. This review explores its potential in diagnosing brain tumors, ischemia, and aneurysms, and tracking neural stem cells.
Area of Science:
- Medical Imaging
- Nanotechnology
- Neurosurgery
Background:
- Magnetic Particle Imaging (MPI) is a novel, radiation-free tomographic imaging technique.
- MPI offers background-free, signal-attenuation-free quantification of superparamagnetic iron-oxide nanoparticles (SPIONs).
- It provides high temporal (milliseconds) and spatial (<1 mm) resolution with extreme sensitivity (μmol).
Purpose of the Study:
- To review the potential applications of Magnetic Particle Imaging (MPI) in neurosurgery.
- To explore MPI's utility in diagnosing and monitoring various neurosurgical conditions.
Main Methods:
- A nonsystematic review of existing literature was conducted.
- The review focused on studies utilizing MPI for neurosurgical diseases.
Main Results:
- MPI has demonstrated potential in detecting brain tumor invasion.
- Applications include tracking neural stem cells for neuroregeneration.
- MPI shows promise in diagnosing cerebral ischemia and assessing brain aneurysms.
Conclusions:
- Magnetic Particle Imaging (MPI) is currently in the preclinical stage.
- Future development of human-sized scanners and optimized SPIONs will enable clinical diagnostic applications in neurosurgery.
Related Concept Videos
01:22Motion Of A Charged Particle In A Magnetic Field
7.0K
A charged particle experiences a force when moving through a magnetic field. Consider the field to be uniform and the charged particle to move perpendicular to it. If the field is in a vacuum, the magnetic field is the dominant factor determining the motion. Since the magnetic force is perpendicular to the direction of motion, a charged particle follows a curved path. The particle continues to follow this curved path until it forms a complete circle. Another way to look at this is that the...
7.0K
03:37Subatomic Particles
112.9K
Dalton was only partially correct about the particles that make up matter. All matter is composed of atoms, and atoms are composed of three smaller subatomic particles: protons, neutrons, and electrons. These three particles account for the mass and the charge of an atom.
112.9K
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
275
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,...
275
02:10The Nucleosome Core Particle
14.4K
Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins.
The paradox
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
The paradox
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
14.4K
01:12The Nucleosome Core Particle
2.4K
Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins.
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their primary aim is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. On the other hand, they must allow polymerase enzymes to access histone-bound DNA during...
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their primary aim is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. On the other hand, they must allow polymerase enzymes to access histone-bound DNA during...
2.4K