A Prospective Comparison of Computed Tomography and Magnetic Resonance Imaging as a Diagnostic tool for Maxillofacial

V Ramesh Babu1, Srikanth Ikkurthi2, Dinesh Kumar Perisetty3

  • 1Department of Oral and Maxillofacial Surgery, Narayana Dental College, Nellore, Andhra Pradesh, India.

Abstract

Insights

Magnetic resonance imaging (MRI) is superior to computed tomography (CT) for evaluating head and neck space infections. MRI offers better visualization of lesion conspicuity, extension, and infection source, making it a preferred initial imaging choice.

Area of Science:

  • Radiology
  • Medical Imaging
  • Head and Neck Surgery

Background:

  • Maxillofacial space infections require accurate initial imaging for effective management.
  • Computed tomography (CT) and magnetic resonance imaging (MRI) are common diagnostic modalities.
  • Comparing the efficacy of CT and MRI in evaluating these infections is crucial.

Purpose of the Study:

  • To compare the advantages and disadvantages of MRI versus CT in the initial evaluation of maxillofacial space infections.
  • To assess various imaging parameters using a standardized grading scale.

Main Methods:

  • Prospective evaluation of 15 patients with head and neck space infections.
  • All patients underwent both CT and MRI with comparable slice thickness.
  • Imaging parameters including lesion location, extension, source, bone involvement, and presence of gas/calcium were graded and statistically analyzed.

Main Results:

  • MRI demonstrated superiority over CT in lesion conspicuity, extension, number of involved spaces, and infection source identification.
  • MRI detected more abscess collections, though not statistically significant.
  • CT showed advantages in detecting intralesional gas and calcium, and fewer motion artifacts, but these differences were not statistically significant.

Conclusions:

  • MRI is considered a superior imaging modality for the initial evaluation of head and neck space infections compared to CT.
  • MRI can be recommended as the primary imaging modality when clinically feasible for patients with head and neck infections.

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