Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Posterior petrous meningiomas: 82 cases.

Zhe Bao Wu1, Chun Jiang Yu, Shu Sen Guan

  • 1Department of Neurosurgery, First Affiliated Hospital of Wenzhou Medical College, Wenzhou, People's Republic of China. zhebaowu@yahoo.com.cn

Journal of Neurosurgery
|March 3, 2005
PubMed
Summary

This study classified posterior petrous meningiomas into three types based on their relationship to the internal auditory canal. Tumor type significantly impacts surgical difficulty and patient outcomes, with Types II and III posing greater challenges than Type I.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Immune and clinicopathological features of molecularly defined prolactinoma subtypes.

Journal of neurosurgery·2026
Same author

A MYCN-GAL-SREBP1 Lipogenic Axis Drives Proliferation in Silent Corticotroph Adenomas.

Neuro-oncology·2026
Same author

Chinese consensus on the diagnosis and treatment of prolactinomas (2025 edition).

Chinese neurosurgical journal·2026
Same author

Structural and Functional Basis of SSTR5 Homodimerization in Controlling Receptor Signaling and Pasireotide Response in Corticotroph Adenomas.

FASEB journal : official publication of the Federation of American Societies for Experimental Biology·2026
Same author

Endoscopic surgery for noninvasive prolactinomas: A large multicenter, single-arm, retrospective study (PRLomaSaR).

Endocrine·2026
Same author

Multidimensional tumor-blood profiling uncovers systemic lymphocyte-monocyte imbalance in pituitary neuroendocrine tumors.

Signal transduction and targeted therapy·2025

Area of Science:

  • Neurosurgery
  • Oncology
  • Otolaryngology

Background:

  • Posterior petrous meningiomas are rare tumors arising from the petrous bone.
  • Understanding their classification is crucial for surgical planning and predicting outcomes.

Purpose of the Study:

  • To classify posterior petrous meningiomas based on anatomical location relative to the internal auditory canal (IAC).
  • To analyze clinical manifestations, surgical treatments, and patient outcomes for each tumor type.

Main Methods:

  • Retrospective analysis of 82 patients undergoing microsurgery for posterior petrous meningiomas.
  • Classification into Type I (lateral to IAC), Type II (medial to IAC), and Type III (extensive petrous bone attachment).

Main Results:

Related Experiment Videos

  • Total resection rates varied by type: 100% for Type I, 75% for Type II, and 73% for Type III.
  • Facial nerve anatomical preservation was high across types (95-100%), but functional preservation decreased with tumor complexity (93% for Type I, 73-75% for Types II/III).
  • Hearing preservation was 67% overall.

Conclusions:

  • Clinical presentation and surgical prognosis differ significantly among posterior petrous meningioma types.
  • Types II and III are more challenging to resect radically, leading to worse postoperative functional outcomes compared to Type I.
  • Key surgical principles include maximal safe resection while preserving critical neurovascular structures.