Related Experiment Video

Updated: Jun 11, 2026

Surgical Treatment of an Endolymphatic Sac Tumor
04:34

Surgical Treatment of an Endolymphatic Sac Tumor

Published on: May 26, 2023

Clinical characteristics and treatment of ectopic meningiomas

Yuguang Liu1, Chuanwei Wang, Shugan Zhu

  • 1Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan 250012, People's Republic of China. NS3000@126.com

Journal of Neuro-Oncology
|July 8, 2010
PubMed

Insights

Ectopic meningiomas (EMs) present with varied symptoms like increased intracranial pressure and epilepsy. Surgical removal offers both diagnosis and treatment, with a better prognosis than typical meningiomas.

Area of Science:

  • Neurosurgery
  • Pathology
  • Oncology

Background:

  • Ectopic meningiomas (EMs) are rare tumors found outside the central nervous system.
  • Understanding their unique clinical presentation and treatment is crucial.

Purpose of the Study:

  • To analyze the clinical characteristics, mechanisms, and treatment of ectopic meningiomas.
  • To compare the prognosis of EMs with typical meningiomas.

Main Methods:

  • Retrospective analysis of 17 patients with EMs.
  • Literature review to supplement case data.

Main Results:

  • Common manifestations include increased intracranial pressure, epilepsy, and mass effect.
  • Diagnosis relies on histopathological examination.
  • Surgical resection is the primary treatment modality.
  • Clinical features vary based on tumor location.
  • Prognosis for EMs is generally favorable.

Conclusions:

  • Ectopic meningiomas require histopathological confirmation for diagnosis.
  • Surgical intervention is the preferred treatment, achieving both diagnosis and cure.
  • EMs exhibit better outcomes compared to conventional meningiomas.

More Related Videos

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery09:53

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

Published on: July 5, 2021

Endoscopic Third Ventriculostomy and Pineal Biopsy from a Single Entry Point03:13

Endoscopic Third Ventriculostomy and Pineal Biopsy from a Single Entry Point

Published on: June 28, 2024

Related Concept Videos

Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...