Related Experiment Video
Updated: Aug 12, 2026
11:50
A Standardized Pipeline for Examining Human Cerebellar Grey Matter Morphometry using Structural Magnetic Resonance Imaging
Published on: February 4, 2022
Cerebellar and brainstem MRI alterations in primary brain calcification
Renzo Manara1, Giovanni Librizzi1, Simone Cauzzo2
1Neuroradiology Unit, Department of Neuroscience, University of Padua, Padova, Italy.
Neuroradiology
|August 11, 2026
Summary
Infratentorial MRI abnormalities are common in Primary Brain Calcification (PBC), revealing neurodegenerative changes linked to clinical symptoms like freezing and dysarthria, improving understanding of this heterogeneous disorder.
Area of Science:
- Neuroimaging and Neurodegenerative Diseases
- Radiology and Medical Imaging
Background:
- Primary Brain Calcification (PBC) is a neurodegenerative disorder characterized by significant genetic, radiological, and clinical heterogeneity.
- Infratentorial changes in PBC are not well understood, and the role of Magnetic Resonance Imaging (MRI) remains under-investigated.
Purpose of the Study:
- To investigate infratentorial changes in Primary Brain Calcification (PBC) using advanced MRI techniques.
- To correlate qualitative and quantitative MRI findings with genetic and clinical data in PBC patients.
Main Methods:
- Fifty PBC patients underwent 3T-MRI, including 3D-FLAIR, 3D-T1, 3D-T2, and SWI sequences, alongside genetic and clinical-neuropsychological evaluations.
- Fifty matched controls were included for comparison.
- Qualitative MRI abnormalities and quantitative measures of cerebellar and brainstem atrophy were analyzed and correlated with clinical and genetic data.
Main Results:
- PBC patients frequently exhibited abnormal cerebellar (86%) and brainstem (46%) findings on MRI.
- Compared to controls, PBC patients showed increased brainstem vascular involvement, cerebellar and brainstem atrophy, and alterations in the dentate nuclei, cerebellar cortex, medullary corpora, and middle cerebellar peduncles.
- Brainstem atrophy predicted freezing and oculomotor dysfunction, while cerebellar atrophy was associated with dysarthria and cerebellar signs.
Conclusions:
- Infratentorial qualitative and quantitative MRI abnormalities are prevalent and clinically significant in Primary Brain Calcification (PBC).
- These MRI findings highlight neurodegenerative changes contributing to PBC's clinical heterogeneity.
- The study underscores the importance of advanced MRI in understanding PBC pathophysiology and clinical manifestations.
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...
01:22Cerebral Edema ll: Pathophysiology
Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...