Sonographic Evaluation of Solitary Thyroid Nodule with Pathologic Correlation
Journal Title: Journal of Medical Science And clinical Research - Year 2016, Vol 4, Issue 10
Abstract
Thyroid nodules are most common problems encountered in clinical practice. There should be proper diagnostic work up to select patients for surgical intervention, who have high chances of harbouring malignancy in the nodule. Ultrasound plays major role in differentiating benign and malignant nodule. Present study is undertaken to identify the various imaging features in thyroid nodules that are associated with benignity and malignancy. To know sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of ultrasonography as diagnostic module for solitary thyroid nodules. Materials and Methods: Present study included 60 patients with solitary thyroid nodule. Transverse and longitudinal real time ultrasound imaging of thyroid gland were performed. Ultrasound appearances of size, shape echogenicity, internal architecture, margins, halo, vascularity, presence or absence of lymph nodes were observed. On the basis of which nodule was classified in to benign or malignant /suspicious for malignancy. Pathological reports were considered standard for comparison. Diagnostic value of ultrasonography was calculated by sensitivity specificity, positive predictive value and negative predictive value. Result and discussion: 60 thyroid nodules were evaluated, with Male: Female ratio of1:5.6. Age of patients ranged from 18 to 63 years with mean age of 36+8.2 years. Sensitivity, specificity, PPV and NPV of ultrasonography as diagnostic tool are 70.0%, 98%, 87.5%, 96% respectively. These statistics correlate well with previous studies. Conclusion: Ultrasound is a sensitive and specific modality in assessment of thyroid nodules with good overall accuracy
Authors and Affiliations
Nandan Kumar L. D
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