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Related Concept Videos

Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...
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Endoscopic Procedures V: ERCP

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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
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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...

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Related Experiment Video

Updated: May 10, 2026

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery
09:53

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

Published on: July 5, 2021

[Endonasal skull base endoscopy].

Juan Antonio Simal-Julián1, Pablo Miranda-Lloret, Giovanni Pancucci

  • 1Servicio de Neurocirugía, Hospital Universitario y Politécnico La Fe, Valencia, España.

Neurocirugia (Asturias, Spain)
|July 9, 2013
PubMed
Summary
This summary is machine-generated.

Endoscopic endonasal surgery shows higher tumor removal rates for certain skull base tumors compared to transcranial approaches. However, further randomized trials are needed to fully compare these surgical techniques.

Keywords:
Base de cráneoCerebrospinal fluid leakChordomaCordomaCraneofaringiomaCraniopharyngiomaEndoscopiaEndoscopyFístula de líquido cefalorraquídeoMeningiomaSkull base

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Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique
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Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique
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Published on: May 23, 2021

Area of Science:

  • Neurosurgery
  • Otolaryngology
  • Skull Base Surgery

Background:

  • Skull base surgery techniques have significantly advanced with the integration of endoscopic endonasal approaches.
  • Comparing endoscopic endonasal versus traditional transcranial surgery is crucial for optimizing patient outcomes.

Purpose of the Study:

  • To systematically review existing systematic reviews comparing endoscopic endonasal and transcranial approaches in skull base surgery.
  • To evaluate the evidence regarding efficacy, oncological outcomes, and complication rates for both surgical modalities.

Main Methods:

  • A systematic review of systematic reviews, meta-analyses, and evidence-based reviews published between January 2000 and January 2013 was conducted.
  • Searches were performed on MEDLINE and EMBASE, focusing on skull base pathologies and comparing microsurgical and endoscopic techniques.

Main Results:

  • Endoscopic endonasal approaches demonstrated higher gross total removal rates for craniopharyngiomas and chordomas than transcranial approaches.
  • Transcranial approaches were more effective for anterior skull base meningiomas, though endoscopy showed a trend towards better visual prognosis.
  • Endoscopic techniques reduced postoperative complications for cerebrospinal fluid (CSF) leaks, encephaloceles, and meningoceles, excluding postoperative CSF leaks.

Conclusions:

  • While endoscopic endonasal approaches offer advantages for specific skull base tumors and reduce complications, controversy remains regarding optimal technique selection.
  • High-quality, randomized multicenter studies are essential to definitively resolve the debate between endoscopic and microsurgical approaches in skull base surgery.