Lumped

Endocrine System


{"ops":[{"insert":"Thyroid nodules: ultrasound classification"},{"insert":"\n","attributes":{"header":1}},{"insert":"The American Thyroid Association (ATA) guidelines on the diagnosis and management of thyroid nodules (most recently updated in 2016), make use of certain sonographic features to determine how likely a thyroid nodule is to be malignant. The various classes of risk and corresponding imaging findings are listed below.\n\n1. Low-risk lesions (\u003C1% likelihood of malignancy):\n\n- Mostly cystic lesions \r\n- Isoechoic spongiform nodules which are confluent or which have a regular halo\n\n2. Intermediate risk lesions (5 to 15% likelihood of malignancy): \r\n- Slightly hypoechoic nodules and isoechoic nodules with an ovoid-to-round shape, and smooth or ill-defined margins \r\n- The presence of intranodular vascularization, elevated stiffness at elastography, or"}]}

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