DIAGNOSTIC ACCURACY OF TIRADS (THYROID IMAGING REPORTING AND DATA SYSTEM) IN IDENTIFYING THYROID NODULES ON ULTRASOUND, USING BETHESDA CYTOLOGICAL CATEGORIES FROM FINE NEEDLE ASPIRATION CYTOLOGY AS THE GOLD STANDARD
DOI:
https://doi.org/10.59058/7j6z6y78Keywords:
Thyroid nodules, Ultrasonography, Diagnostic accuracy, CytologyAbstract
Background & Objectives: To determine the diagnostic accuracy of TIRADS (Thyroid Imaging Reporting
and Data System) in identifying thyroid nodules on ultrasound, using Bethesda Cytological categories from
Fine Needle Aspiration Cytology as the gold standard.
Methods: 130 patients, diagnosed with both; solitary nodules and muti-nodular goiters were included.
TIRADS scoring by using ultrasound was done. “Fine needle aspiration cytology (FNAC) was done and the
Bethesda category was recorded. All the data was analyzed in SPSS v.25.
Results: The mean age of patients was 38.6 ± 15.6 years. There were 51.5% males and 48.5% females. The
average nodule size was 2.52 ± 1.10 cm, with 52.3% having solitary nodules and 47.7% multi-nodularity.
FNAC Bethesda showed high sensitivity (85.7%–100%) and diagnostic accuracy (86.6%–98.4%), with
better performance in larger nodules, females, and nodules present for over eight months. Positive TIRADS
and Bethesda scores were found in 35.4% and 38.5% of patients, respectively.
Conclusion: FNAC Bethesda and TIRADS demonstrated high diagnostic sensitivity and accuracy,
especially in larger nodules, solitary nodularity, females, and prolonged swelling
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