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Quantitative analysis of the submandibular gland using computed tomography

K Yonetsu1, K Yuasa, S Kanda

  • 1Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Kyushu University, Fukuoka, Japan.

Dento Maxillo Facial Radiology
|April 1, 1996
PubMed
Summary

Computed tomographic (CT) scans reveal that maximum cross-sectional area (MCSA) indicates submandibular gland volume. Differences over 10% between glands may signal disease.

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Area of Science:

  • Radiology
  • Anatomy
  • Pathology

Background:

  • Submandibular gland size can vary normally.
  • Accurate measurement is crucial for diagnosing conditions like sialoadenitis.

Purpose of the Study:

  • To establish normal size variations of the submandibular gland using CT scans.
  • To correlate gland size measurements with patient demographics and potential disease states.

Main Methods:

  • CT scans were performed on 130 healthy subjects and patients with specific conditions.
  • Measurements included maximum cross-sectional area (MCSA) in two planes (Frankfurt horizontal and mandibular) and gland volume.
  • Correlations with body height, weight, BMI, and age were analyzed.

Main Results:

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  • Mean MCSA was 324 mm² (FH) and 364 mm² (MP); mean volume was 8072 mm³.
  • MCSA correlated highly with gland volume and showed minimal difference (<10%) between right and left glands.
  • MCSA increased with height, weight, and BMI, but decreased with age.

Conclusions:

  • Maximum cross-sectional area (MCSA) is a reliable indicator of submandibular gland volume.
  • A difference greater than 10% in MCSA between the two sides may suggest submandibular gland disease.