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Posterior petrous face meningiomas.

S H Selesnick1, T D Nguyen, P H Gutin

  • 1Department of Otorhinolaryngology, Weill College of Medicine of Cornell University, New York, NY 10021, USA. shselesn@mail.med.cornell.edu.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|April 3, 2001
PubMed
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Meningiomas originating from the posterior petrous face present with minimal symptoms despite large size. Surgical outcomes are favorable when considering tumor origin in the posterior fossa skull base.

Area of Science:

  • Neurosurgery
  • Skull Base Surgery
  • Oncology

Background:

  • Meningiomas of the posterior fossa skull base can arise from various locations.
  • Understanding the specific clinical presentation and outcomes based on origin is crucial for surgical planning.

Purpose of the Study:

  • To characterize the clinical presentation, treatment, and outcomes of meningiomas arising from the posterior petrous face.
  • To differentiate these tumors from those originating in other areas of the temporal bone.

Main Methods:

  • Retrospective chart review of patients treated at a tertiary care skull base surgery practice.
  • Analysis of clinical data including symptoms, tumor size, and surgical approach.

Main Results:

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  • Tumors averaged 3.8 cm and caused significant cerebellar compression.
  • Patients presented with minimal symptoms despite large tumor size.
  • Retrosigmoid craniotomies provided excellent surgical exposure.

    • Conclusions:

    • Tumors from the posterior petrous face (between porus acousticus and sigmoid sinus) have distinct presentations.
    • Tumor origin in the posterior fossa skull base impacts symptom severity and operative complications.
    • Evaluation should consider the precise site of origin within the temporal bone.