Giá trị của thang điểm EU-TIRADs 2017 và ACR-TIRADS 2017 trong đánh giá nhân tuyến giáp

SUMMARY

Objective: Characteristic of thyroid nodules according to EU-TIRADS 2017 and ACR-TIRADS 2017 classification. Comparison among EUTIRADS and ACR-TIRADS in the diagnostic efficiency of thyroid nodules.

Subject and methods: descriptive cross-sectional study was performed on 233 patients with thyroid nodule who were diagnosed with ultrasound and performed FNA at Dien Quang Center, Bach Mai Hospital from 8/2019 to 8/2020.

Results: 233 patients in study with 233 thyroid nodules, 79 nodules with malignant cells (33.9%), 154 nodules had no malignant cells (66.1%). Malignant nodule are mainly solid nodule (97.5%), 100% sponges and follicles do not have malignant cells. Hypoechoic solid and irregular margins had high sensitivity and specificity (>70%) in diagnosing malignancies. Very hypoechoic solid and microcalcification has a 100% specificity in diagnosing malignancies. There is a statistically significant difference in malignancy between the nuclear group of thyroid with height> = width and height <width. ACR-TIRADS classification has sensitivity 96.2%, specificity 53.9%, PPV 51.7%, NPV 96.5%, accuracy 68.2% . EU-TIRADS classification sensitivity 87.3%, specificity 71.4%, PPV61.1%, NPV 91.7%, accuracy 76.8%.

Conclusion: ACR-TIRADS and EU-TIRADS classification are well diagnostic efficiency in the diagnosis of malignant and benign thyroid nodules. The ACR-TIRADS classification has a higher sensitivity but less specificity than the EU-TIRADS classification.

Key words: thyroid ultrasound, EU-TIRADS classification, ACRTIRADS classification.