ABSTRACT

Are the following statements regarding thyroid carcinoma true or false?

The most common subtype is follicular.

Anaplastic carcinoma usually presents with local lymph node metastases.

Medullary carcinoma is typically hyperdense on computed tomography (CT).

Follicular carcinoma is often indistinguishable from benign follicular adenoma.

Radiation-induced thyroid carcinoma peaks two to four years after exposure.