| Summary: | Based on guideline of the American Association of Clinical Endocrinologist, fine needle aspiration (FNA) is believed as effective method to differentiate between benign and malignant thyroid nodule. At Dr. Sardjito Hospital,during 2004 - 2008 there were 12 cases of false negative from 14 cases of thyroid malignancy. The high false negative value raised question about the role of FNA in determining thyroid nodule diagnosis. The purpose of this study is to find out sensitivity and specificity of FNA in determining thyroid nodule diagnosis at Dr. Sardjito Hospital Yogyakarta. Patients underwent FNA and surgery for thyroid nodule were collected between January 2004 until December 2008. The result of FNA was compared to histopathological result then sensitivity and specificity test were performed respectively. The fine needle aspiration was conducted to 120 patients. It consist of 23 men and
97 women, mostly 41 - 50 years old. The results of FNA were four of malignancy, 74 of benign, and 42 of
follicular neoplasm. Histopathological result showed malignant in 23 patients and benign in 97 patients. The FNA at Dr. Sardjito Hospital showed 14.29% of sensitivity, 96.86% of specificity, 50% of PPV, 83.78% of NPV, 4.55 of LR + 0.884 of LR-, 18.92% of prevalence, and 86.49% of accuracy. The thyroid FNA at Dr. Sardjito Hospital showed low value of sensitivity and high value of specificity. Futhermore, the thyroid FNA showed minimal role in determining thyroid nodule diagnosis.
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