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Related Concept Videos

Psychosurgery01:30

Psychosurgery

46
Psychosurgery, the surgical alteration or permanent removal of brain tissue to alleviate severe psychological conditions, stands as one of the most radical and controversial treatments in the history of mental health care. Its development and application have evolved significantly, marked by dramatic shifts in scientific understanding and ethical perspectives.
Historical Development of Psychosurgery
In the 1930s, Portuguese neurologist Antonio Egas Moniz introduced a surgical procedure designed...
46

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Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
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Optimized Bifrontal Craniotomy: Reducing Risks and Boosting Surgical Results.

Norito Fukuda1, Hideyuki Yoshioka1, Masakazu Ogiwara1

  • 1Department of Neurosurgery, Graduate School of Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan.

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|December 11, 2024
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Summary

This study refines bifrontal craniotomy techniques to reduce complications. The revised method significantly lowers risks of anosmia, cerebrospinal fluid leakage, infection, and cosmetic issues in anterior skull base surgery.

Keywords:
AnosmiaBifrontal craniotomyCSF leakageCosmetic problemInfection

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Area of Science:

  • Neurosurgery
  • Skull Base Surgery

Background:

  • Bifrontal craniotomy is a common approach for anterior skull base lesions.
  • Potential complications include anosmia, CSF leakage, infection, and cosmetic defects.
  • Refinement of surgical techniques is needed to improve patient outcomes.

Purpose of the Study:

  • To introduce and evaluate a revised bifrontal craniotomy method.
  • To assess the clinical outcomes and complication rates of the modified procedure.

Main Methods:

  • The revised protocol focuses on protecting the olfactory bulb and frontal sinus.
  • Techniques include avoiding hyperosmotic diuretics, mobilizing the olfactory tract, and securing the olfactory bulb.
  • Frontal sinus closure utilizes a pericranial flap, and a Gigli saw minimizes supraorbital bone defects.

Main Results:

  • A low incidence of postoperative anosmia (2.6%) was observed.
  • No cases of cerebrospinal fluid leakage, infection, or cosmetic problems occurred in 38 patients.

Conclusions:

  • Meticulous surgical technique can minimize bifrontal craniotomy complications.
  • Preserving the olfactory nerve, ensuring secure frontal sinus closure, and prioritizing esthetics are key.
  • The refined approach leads to a low complication rate and high expertise.