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[Peripharyngeal space. Pathology]

P Bourjat1, J L Kahn

  • 1Service de Radiologie A, Hôpital Central, CHU, Strasbourg.

Journal De Radiologie
|August 1, 1997
PubMed
Summary
This summary is machine-generated.

Tumors in the peripharyngeal space are common, originating intrinsically (salivary, nervous, vascular) or extrinsically. While MRI is superior to CT, biopsies are often needed for intrinsic tumor diagnosis.

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Area of Science:

  • Head and Neck Radiology
  • Oncologic Imaging
  • Surgical Pathology

Background:

  • Peripharyngeal space tumors represent a frequent pathological finding.
  • Tumors are classified topographically into intrinsic and extrinsic types.
  • Intrinsic tumors commonly arise from salivary, nervous, or vascular tissues.

Purpose of the Study:

  • To review the characteristics and diagnostic approaches for peripharyngeal space tumors.
  • To compare the efficacy of MRI and CT in evaluating these lesions.
  • To highlight the role of biopsy in definitive tumor diagnosis.

Main Methods:

  • Review of imaging findings (MRI and CT) for peripharyngeal space tumors.
  • Analysis of tumor origins, distinguishing between intrinsic and extrinsic types.

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  • Evaluation of the diagnostic yield of imaging modalities.

    • Main Results:

    • Extrinsic tumors originate from adjacent structures like the oral cavity, pharynx, or parotid gland.
    • Magnetic Resonance Imaging (MRI) generally provides superior visualization compared to Computed Tomography (CT).
    • Definitive diagnosis of intrinsic tumor types frequently remains challenging based on imaging alone.

    Conclusions:

    • Perineural invasion and vascular tumors are common intrinsic peripharyngeal space tumors.
    • While advanced imaging like MRI is valuable, CT-guided biopsy remains essential for accurate diagnosis of intrinsic peripharyngeal tumors.
    • Accurate diagnosis is critical for appropriate management of peripharyngeal space tumors.