Related Experiment Video
Updated: Apr 30, 2026

04:34
Dissection of the Endolymphatic Sac from Mice
Published on: March 29, 2021
3.1K
Hydatid disease located in the cerebellomedullary cistern
Ozgür Kızılca1, Murat Altaş2, Utku Senol1
1Department of Radiology, Akdeniz University Faculty of Medicine, 07058 Antalya, Turkey.
Case Reports in Medicine
|May 1, 2014
Summary
Hydatid disease, a parasitic infection, rarely affects the brain. This case highlights an extremely rare infratentorial location in the brainstem, offering insights into cerebral echinococcosis.
Area of Science:
- Neurology
- Parasitology
- Infectious Diseases
Background:
- Hydatid disease is an endemic zoonotic parasitic infection.
- The liver and lungs are the most commonly affected organs.
- Cerebral involvement is rare, typically occurring in supratentorial locations.
Purpose of the Study:
- To report an exceptionally rare case of hydatid disease in the premedullary region of the brainstem.
- To discuss the typical characteristics of cerebral echinococcosis based on literature review.
Main Methods:
- Case presentation of a 45-year-old female patient.
- Review of relevant medical literature on cerebral echinococcosis.
Main Results:
- The patient presented with hydatid disease in an exceedingly rare infratentorial location.
- The lesion was compressing the brain stem, a highly unusual site for this condition.
Conclusions:
- This case underscores the possibility of rare infratentorial presentations of cerebral echinococcosis.
- Understanding atypical locations is crucial for diagnosing and managing hydatid disease in the central nervous system.
More Related Videos
Related Concept Videos
Cerebral Edema l: Introduction
30
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...
30
Lysosomal Hydrolases
3.5K
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,...
3.5K
Huntington Disease l: Introduction
110
Huntington disease or HD is a progressive, fatal neurodegenerative disorder inherited in an autosomal dominant pattern.PathophysiologyIt is caused by expansion of the CAG trinucleotide repeat in the HTT gene on chromosome 4 (4p16.3), producing an abnormal huntingtin protein with an expanded polyglutamine tract. This misfolded protein disrupts cellular function, leading to neuronal death. Normal alleles have ≤26 repeats, 27–35 are intermediate (risk of expansion), 36–39 show...
110
Cardiomyopathy III: Hypertrophic Cardiomyopathy
805
Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
805
Cerebral Edema ll: Pathophysiology
19
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...
19
Cytotoxic Edema: Pathophysiology
20
Cytotoxic edema is a form of cerebral edema characterized by intracellular swelling of neurons, astrocytes, and other glial cells. It develops when the mechanisms responsible for maintaining ionic gradients across the cell membrane become impaired. Under normal physiological conditions, the sodium–potassium ATPase actively transports sodium ions out of the cell and potassium ions into the cell, preserving osmotic balance and enabling electrical signaling. This pump requires a continuous...
20

