DOI:

10.37988/1811-153X_2025_2_82

Possibilities of ultrasound in the diagnosis of radioiodine-induced sialadenitis

Authors

  • A.Ya. Razumova 1, PhD in Medical Sciences, associate professor of the Oral and maxillofacial surgery Department
    ORCID: 0000-0002-0415-3413
  • N.L. Petrov 1, PhD in Medical Sciences, associate professor of the Oral and maxillofacial surgery Department
    ORCID: 0000-0001-5182-1763
  • A.L. Vaaz 1, 5th year student at the Dental Faculty
    ORCID: 0009-0004-7893-4513
  • A.I. Yaremenko 1, Doctor of Science in Medicine, full professor of the Oral and maxillofacial surgery Department, vice-rector
    ORCID: 0000-0002-7700-7724
  • S.I. Kutukova 1, 2, Doctor of Science in Medicine, professor of the Oral and maxillofacial surgery Department, associate professor of the Oncology Department; oncologist at the Antitumor drug therapy ward
    ORCID: 0000-0003-2221-4088
  • E.V. Borodavina 3, PhD in Medical Sciences, senior researcher at the Division of radiosurgical treatment with closed radionuclides
    ORCID: 0000-0002-3306-5906
  • 1 Pavlov University, 197022, Saint-Petersburg, Russia
  • 2 Municipal clinical oncological dispensary, 198255, Saint-Petersburg, Russia
  • 3 A. Tsyb Medical radiological research centre, 249036, Obninsk, Russia

Abstract

Surgical approach is the leading method in the treatment of thyroid tumors. In some cases of treatment of differentiated thyroid cancer after surgical intervention it is necessary to use radioiodablation to remove the remaining thyroid cells or radioiodotherapy for patients in the group of intermediate and unfavorable forecast regarding the risk of progression. The salivary glands have the highest sensitivity to iodine after the thyroid gland, the accumulation of radiopharmaceutical leads to the formation of sialadenitis. Currently, there is no diagnostic protocol for this disease. The aim is to study the possibilities of ultrasound diagnostics of sialadenitis associated with radioiodotherapy.
Materials and methods.
A retrospective study analyzing two groups of patients was performed: Group I (n=30) with the diagnosis of sialadenitis induced by radioiodine therapy, Group II (n=30) of healthy volunteers without pathology in the maxillofacial region. Ultrasound diagnostics of salivary gland parameters and comparative analysis of the obtained results were performed.
Results.
There were 3 echographic signs of salivary glands condition in sialadenitis after radioiodotherapy distinguished: change of echogenicity, dilatation of the ductal system of salivary glands, inhomogeneity of the structure. Change of echogenicity occurs most often in the left PG — 6.7%. In patients with right and left PG lesions the ductal dilatation rate was 7.5% and 6.7%, respectively (dilatation up to 3 mm). Heterogeneity of salivary gland structure was most frequent in the left PG — 10%.
Conclusion.
The method of ultrasonic diagnostics is informative, time efficient in performance and data interpretation, has no absolute contraindications, therefore it can be a primary link in diagnostics of sialadenitis developed on the background of radioiodotherapy.

Key words:

sialadenitis, ultrasound, thyroid cancer, stenosis, radioiodotherapy

For Citation

[1]
Razumova A.Ya., Petrov N.L., Vaaz A.L., Yaremenko A.I., Kutukova S.I., Borodavina E.V. Possibilities of ultrasound in the diagnosis of radioiodine-induced sialadenitis. Clinical Dentistry (Russia).  2025; 28 (2): 82—87. DOI: 10.37988/1811-153X_2025_2_82

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Received

September 1, 2024

Accepted

May 21, 2025

Published on

July 5, 2025