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Related Concept Videos

Anatomy of the Brain: Ventricles01:18

Anatomy of the Brain: Ventricles

There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen. The...
Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
Functional Brain Systems: Limbic System01:15

Functional Brain Systems: Limbic System

The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
Liver Histology01:27

Liver Histology

The microscopic anatomy of the liver is a complex and intricate system that comprises numerous structural units known as liver lobules, each of which is comparable in size to a sesame seed. These hexagonal structures consist of plates of liver cells or hepatocytes, which are characterized by their versatility and abundance of cellular apparatus like rough and smooth ER, Golgi apparatus, peroxisomes, and mitochondria.
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Types of Membrane Protrusions01:28

Types of Membrane Protrusions

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Related Experiment Video

Updated: May 26, 2026

Direct Cannula Implantation in the Cisterna Magna of Pigs
08:06

Direct Cannula Implantation in the Cisterna Magna of Pigs

Published on: June 9, 2021

Quadrigeminal plate cistern lipoma.

Godwin Ogbole1, Idris Kazaure, Ismail Anas

  • 1University College Hospital, Department of Radiology, University College Hospital, Ibadan, 5116, Nigeria.

BMJ Case Reports
|December 23, 2011
PubMed
Summary

Intracranial lipomas are rare brain tumors. This case study highlights a quadrigeminal cistern lipoma in a Nigerian woman whose headaches resolved with conservative treatment, underscoring their typically benign and asymptomatic nature.

Area of Science:

  • Neurology
  • Radiology
  • Neurosurgery

Background:

  • Intracranial lipomas are rare, benign brain neoplasms, comprising less than 0.1% of primary brain tumors.
  • They are typically discovered incidentally via autopsy or computed tomography (CT) and are usually asymptomatic.

Purpose of the Study:

  • To report a case of a quadrigeminal cistern lipoma presenting with headaches.
  • To describe the computed tomography (CT) findings of this rare intracranial lipoma.
  • To review the literature on intracranial lipomas and their management.

Main Methods:

  • Case report of a 70-year-old Nigerian woman.
  • Computed tomography (CT) scan to evaluate headaches and intracranial lesions.
  • Review of existing medical literature on intracranial lipomas.

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Main Results:

  • CT revealed a lipoma in the quadrigeminal cistern without signs of increased intracranial pressure or neural compression.
  • The patient's headaches resolved with conservative management.
  • Intracranial lipomas are generally slow-growing, benign, and rarely necessitate surgical intervention.

Conclusions:

  • Quadrigeminal cistern lipomas, though rare, can present symptomatically.
  • Conservative management may be effective for symptomatic intracranial lipomas.
  • This case contributes to the understanding of intracranial lipoma presentation and resolution.