Related Experiment Video
Updated: Jun 10, 2026
08:51
Cerebellar Regional Dissection for Molecular Analysis
Published on: December 5, 2020
[Study of cerebellar infarction with isolated vertigo]
Ai Utsumi1, Hiroyuki Enomoto, Kaoru Yamamoto
1Department of Otolaryngology, Chigasaki Municipal Hospital, Chigasaki.
Nihon Jibiinkoka Gakkai Kaiho
|August 19, 2010
Summary
Acute vertigo can indicate cerebellar infarction, especially in older adults with vascular risk factors. Early diagnosis requires careful neurological and neurootological evaluation alongside magnetic resonance imaging (MRI).
Area of Science:
- Neurology
- Neurotology
- Radiology
Context:
- Isolated acute vertigo is often misdiagnosed as labyrinthine disease.
- Cerebellar infarction, particularly in the posterior inferior cerebellar artery (PICA) territory, can present with isolated vertigo.
- Older individuals with hypertension, diabetes, arrhythmia, or hyperlipidemia are at higher risk.
Purpose:
- To investigate the occurrence and diagnostic challenges of cerebellar infarction presenting as isolated vertigo.
- To highlight the importance of comprehensive neurological and neurootological assessments in diagnosing vertigo.
- To evaluate the utility of magnetic resonance imaging (MRI) in identifying posterior circulation strokes.
Summary:
- A study of 309 patients admitted for acute vertigo found four cases of cerebellar infarction (PICA territory).
- All affected patients were over 60 and had significant vascular risk factors.
- Diagnostic delays occurred in patients without apparent trunk ataxia, emphasizing the need for advanced imaging and detailed examinations.
Impact:
- This research underscores the critical need to consider cerebellar infarction in the differential diagnosis of acute vertigo, even in the absence of typical stroke symptoms.
- It emphasizes the role of neuroimaging and specialized testing in early stroke detection.
- Findings can improve diagnostic accuracy and patient outcomes for vertigo and posterior circulation stroke.
Related Concept Videos
01:28Major Somatic Sensory Pathways
Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the posterior columns...
01:15Equilibrium and Balance
The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
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...
01:17Cerebellum: Anatomical Regions
The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
01:19Cerebral Edema l: Introduction
Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...
01:25Secondary Spinal Cord Injury llI: Pathophysiology
Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...