A member asked:

What causes microcalcification in thyroid nodule?

3 doctors weighed in across 2 answers
Dr. Joshua Rosenthal answered

Specializes in ENT and Head and Neck Surgery

Hmm: Microcalcifications in a thyroid nodule are from small calcium deposits in the cells. Thyroid cancer can be associated with this finding, however, benign nodules can also have them. A nodule with microcalcifications should have a fine needle aspiration to help diagnose which it is.

Answered 8/2/2019

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Microcalcifications.: These are indicative of papillary thyroid cancer. They represent psamoma bodies within the tumor which are layered calcification. When seen on ultrasound, they are an indication for needle biopsy and may result in thyroidectomy.

Answered 8/2/2019

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