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Olfactory groove meningiomas.

A Tsikoudas1, D P Martin-Hirsch

  • 1North Staffordshire Royal Infirmary, Department of Neurosurgery and Leeds General Infirmary, Leeds, UK.

Clinical Otolaryngology and Allied Sciences
|December 22, 1999
PubMed
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Olfactory groove meningiomas, rare brain tumors, often present with anosmia and headache, leading to misdiagnosis. Surgical excision showed significant morbidity and a notable recurrence rate in this study.

Area of Science:

  • Neurosurgery
  • Oncology
  • Neurology

Background:

  • Olfactory groove meningiomas are rare tumors causing anosmia and headache.
  • Common misdiagnoses include frontal sinusitis, migraine, and neuralgia.
  • Early diagnosis is often delayed due to non-specific symptoms.

Purpose of the Study:

  • To review the presenting features and outcomes of olfactory groove meningioma surgery.
  • To analyze symptom duration, surgical results, and long-term follow-up.
  • To assess the morbidity and recurrence rates associated with tumor excision.

Main Methods:

  • Retrospective analysis of 13 patients with olfactory groove meningiomas.
  • Data collected over a 20-year period from North Staffordshire Royal Infirmary.

Related Experiment Videos

  • Evaluation of presenting symptoms, surgical outcomes, and follow-up data.

    • Main Results:

    • Symptoms ranged from 6 months to 3 years in duration.
    • Complete excision was achieved in most cases, but four recurrences were noted.
    • Significant surgical morbidity was observed in the patient cohort.

    Conclusions:

    • Olfactory groove meningiomas require careful diagnosis due to frequent misinterpretations.
    • Surgical outcomes are associated with considerable morbidity and a risk of recurrence.
    • Long-term follow-up is essential for patients undergoing meningioma resection.