Thyroid nodule

Thyroid nodule
Ultrasound artifacts showing a "comet tail" from a colloid nodule indicate a benign nodule
SpecialtyENT surgery, oncology

Thyroid nodules are nodules (raised areas of tissue or fluid) which commonly arise within an otherwise normal thyroid gland. They may be hyperplastic or tumorous, but only a small percentage of thyroid tumors are malignant. Small, asymptomatic nodules are common, and often go unnoticed. Nodules that grow larger or produce symptoms may eventually need medical care. A goitre may have one nodule – uninodular, multiple nodules – multinodular, or be diffuse.

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