Thyroid nodule is a common occurrence. Majority of these nodules may be present without clinical evidence of thyroid disease. Statistics reveal that the incidence of palpable thyroid nodule is about 5%. Ultrasound neck is very sensitive in picking up thyroid nodules. Ultrasound can diagnose thyroid nodules even as small as ½ cm. Studies have shown that only 3-5% of thyroid nodules show malignant transformation.
Causes of thyroid nodules include:
3.Simple / hemorrhagic cysts
3.Hurthle cell carcinoma
6.Primary thyroid lymphoma
7.Metastatic malignant lesion
Tools of diagnosis as far as these thyroid nodules include:
3.Molecular / genetic marker analysis of fine needle aspiration biopsies
Image showing ultrasound of a benign looking thyroid nodule
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