Diagnostic performance of ultrasonography with ACR TI-RADS in thyroid mass in HRH Princess Maha Chakri Sirindhorn Medical Center


  • Panuwat Wongwattana Department of Otolaryngology, Faculty of Medicine, Srinakharinwirot University
  • Pongsakorn Pattarapongsant Medical Degree Program, Faculty of Medicine, Srinakharinwirot University
  • Suparat Liangsupong
  • Sutthida Sukontha Medical Degree Program, Faculty of Medicine, Srinakharinwirot University
  • Supakkawadee Khumsan Medical Degree Program, Faculty of Medicine, Srinakharinwirot University
  • Irene Yimpornpipathpon Medical Degree Program, Faculty of Medicine, Srinakharinwirot University


Diagnostic performance, screening test, sensitivity, thyroid mass, thyroid cancer, ultrasonography


The current guidelines for the diagnosis and treatment of thyroid mass patients are to perform thyroid ultrasonography in all cases. The information obtained from this examination serve as a guideline in the consideration of the fine needle aspiration test and to determine further treatment of the patients. Thyroid ultrasonography is therefore an important screening tool for diseases. The objectives of this study are to study the diagnostic performance of using ultrasound, reported on the ACR TI-RADS system in predicting thyroid cancer, compared to the pathological results of thyroid surgery. A cross-sectional descriptive study was conducted at the department of Otolaryngology at HRH Princess Maha Chakri Sirindhorn Medical Center from 1 January 2016 to 31 December 2020. The results were as follows: 128 eligible patients, 107 females (83.59%). The mean age of the patients was 49.62±13.55 years. The thyroid ultrasonography results were reported according to the ACR TI-RADS system as follows: sensitivity, specificity, positive predictive value, negative predictive value, and an accuracy of 100 (95% CI=89.70-100), 63.80 (95% CI=53.30-73.50), 50 (95% CI=37.60-62.40), 100 (95% CI=94-100), and 73.80 (95% CI=65.40-81.20), respectively. The incidence of thyroid cancer was 26.56%. In conclusion, the diagnostic performance of ultrasound was reported based on the ACR TI-RADS system in terms of predicting thyroid cancer. The sensitivity of the test was 100%.


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Original Article (บทความวิจัย)