الفهرس 
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Abstract
The aim of the study was to assess the ability of ultrasonographic multimodalities in predicting the nature of thyroid nodules and their usefulness in minimizing unnecessary fine needle aspiration. Owing to its superficial location, ultrasound is considered the best imaging modality for assessment of the thyroid gland. Unfortunately no single sonographic feature is sufficient to differentiate benign from malignant thyroid nodules, but a combination of these different features can help to identify nodules with high risk of malignancy. Fine needle aspiration cytology plays a key role in ruling out the presence of thyroid cancer. However, the costs of sample collection and analysis are relatively high. The sonographic risk-stratification systems are designed to identify nodules with low risks of malignancy whose cytological assessment can safely be deferred. The study was conducted during the period from October 2019 to October 2020 and included 30 patients (21 females and 9 males; age between (28 – 71 years) referred from surgical clinic with clinical or radiological diagnosis of thyroid nodules. All patients had undergone thyroid ultrasound as well as ultrasound-guided fine needle aspiration (FNA). The ultrasound protocol included both transverse and longitudinal real time imaging of the thyroid gland ; the nodule was measured in three dimensions. Duplex, elastography and FNAC were performed on all thyroid nodules.