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Parapharyngeal schwannomas.

D O Mikaelian, W F Holmes, S K Simonian

    Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
    |January 1, 1981
    PubMed
    Summary
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    Parapharyngeal schwannomas are rare nerve tumors. Surgical removal via neck incision is the standard treatment, with combined neurosurgery for intracranial extension.

    Area of Science:

    • Neurosurgery
    • Oncology
    • Head and Neck Surgery

    Background:

    • Schwannomas are benign nerve sheath tumors.
    • Parapharyngeal space tumors are uncommon.
    • Accurate localization is key for surgical planning.

    Observation:

    • Schwannomas present as masses posterior to the ascending ramus of the mandible.
    • Bimanual palpation aids in tumor localization.
    • Detailed anatomical description of the parapharyngeal space is crucial.

    Findings:

    • Surgical resection via an external neck approach is the primary treatment.
    • A combined neurosurgical approach is necessary for intracranial extension.
    • Four new cases of parapharyngeal schwannomas are reported, including one with intracranial extension via the jugular foramen.

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    Implications:

    • This study contributes to the understanding of rare parapharyngeal schwannomas.
    • Highlights the importance of anatomical knowledge for surgical management.
    • Emphasizes the need for tailored surgical approaches based on tumor extent.