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[The peripharyngeal space. Anatomy and normal imaging]

J L Kahn1, P Bourjat

  • 1Institut d'Anatomie Normale, Hôpital Central, CHU, Strasbourg.

Journal De Radiologie
|February 1, 1996
PubMed
Summary

Sectional anatomy and imaging reveal three peripharyngeal spaces. Magnetic resonance imaging (MRI) is superior for visualizing these spaces and their contents, aiding anatomical understanding.

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Area of Science:

  • Anatomy
  • Radiology
  • Surgical Anatomy

Background:

  • The peripharyngeal region is complex, requiring detailed anatomical understanding for clinical practice.
  • Topographic study using sectional anatomy and dissection is crucial for delineating anatomical spaces.

Purpose of the Study:

  • To describe the anatomy of the peripharyngeal region using sectional planes and imaging.
  • To identify and characterize the retropharyngeal, prestylian, and retrosylian spaces.
  • To compare the utility of CT and MRI in visualizing these spaces.

Main Methods:

  • Anatomical dissection and projection onto the skull base.
  • Creation of 6 mm thick anatomical slices in three fundamental planes.
  • Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) of ten patients.

Main Results:

  • Three peripharyngeal spaces were identified: retropharyngeal, prestylian, and retrosylian.
  • The retropharyngeal space relates to the cervical spine; the prestylian space contains adipose tissue and parotid gland elements; the retrosylian space houses major vessels and cranial nerves.
  • CT is limited to axial and frontal views for the prestylian space, while MRI effectively visualizes all three components.

Conclusions:

  • Sectional imaging, particularly MRI, enhances the recognition of peripharyngeal space limits and contents.
  • Integrating anatomical slice data with imaging improves understanding of this critical anatomical region.

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