Related Experiment Video
Updated: May 30, 2026
07:32
Assessing Iron Deposition in the Brains of 5xFAD Mice by Perls'/DAB Staining
Published on: May 23, 2025
MRI findings in neuroferritinopathy
Emiko Ohta1, Yoshihisa Takiyama
1Department of Neurology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi 409-3898, Japan.
Neurology Research International
|August 3, 2011
Summary
Neuroferritinopathy, a brain iron accumulation disorder, shows distinctive MRI findings. Advanced MRI techniques are crucial for understanding iron
Area of Science:
- Neuroscience
- Radiology
- Genetics
Background:
- Neuroferritinopathy is a neurodegenerative disorder characterized by brain iron accumulation.
- Mutations in the ferritin light chain gene cause this condition.
- Excess iron is a risk factor for neurodegenerative diseases like Parkinson's and Alzheimer's.
Purpose of the Study:
- To describe the characteristic MRI findings in neuroferritinopathy.
- To highlight the role of iron accumulation in neurodegeneration.
Main Methods:
- Brain MRI analysis including T2-weighted imaging (T2WI) and T2-weighted gradient-echo (T2*WI).
- Observation of signal abnormalities, cystic changes, and atrophy.
Main Results:
- Iron deposits appear as low-intensity areas on T2WI and signal loss on T2*WI.
- Hyperintense abnormalities indicating edema and gliosis are seen on T2WI.
- Symmetrical basal ganglia cystic changes and cortical atrophy are observed in advanced stages.
Conclusions:
- MRI findings in neuroferritinopathy are specific and varied.
- Advanced MRI techniques are essential for quantifying brain iron and understanding neurodegeneration.
Related Concept Videos
01:24Magnetic Resonance Imaging
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...
01:22Lysosomal Hydrolases
Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...