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Related Concept Videos

Pneumothorax-II01:27

Pneumothorax-II

Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:
Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...

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Related Experiment Video

Updated: Jun 26, 2026

Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study
11:29

Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study

Published on: August 15, 2025

Extradural pneumatocele after temporal craniotomy: case report.

Yuzo Terakawa1, Michiharu Morino, Toru Yamagata

  • 1Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan. terakawa@msic.med.osaka-cu.ac.jp

Neurologia Medico-Chirurgica
|December 25, 2008
PubMed
Summary

A rare complication of temporal craniotomy, extradural pneumatocele, can cause ear symptoms. Surgical obliteration of the air collection resolved the patient's blocked ear sensation.

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Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study
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Published on: July 5, 2011

Area of Science:

  • Neurosurgery
  • Radiology

Background:

  • A 22-year-old female presented with a left temporal fibrillary astrocytoma causing complex partial seizures.
  • She underwent a left temporal craniotomy for tumor resection.

Observation:

  • Postoperatively, the patient developed a blocked sensation in her left ear.
  • Computed tomography (CT) revealed persistent extradural air collection, evolving into an enlarged extradural air mass over 8 months.

Findings:

  • The patient underwent a second surgery to obliterate the extradural pneumatocele by sealing the mastoidal fenestration with abdominal fat.
  • Post-surgical obliteration resulted in complete resolution of the patient's ear symptoms.

Implications:

  • Extradural pneumatocele is an exceedingly rare but potential complication following temporal craniotomy, particularly when mastoid sinuses are involved.
  • This case highlights the importance of recognizing and managing extradural pneumatoceles to alleviate associated symptoms.