How can you tell the difference between follicular adenoma and carcinoma?
How can you tell the difference between follicular adenoma and carcinoma? A follicular carcinoma cannot be distinguished from a follicular adenoma based on cytologic features alone. It is distinguished from a follicular adenoma on the basis of capsular invasion, vascular invasion, extrathyroidal tumor extension, lymph node metastases, or systemic metastases. Can a follicular adenoma become cancerous? In the case of follicular neoplasms determined by FNA, the risk of malignancy is less than 1% in a hyperfunctioning nodule, with a higher 20% risk if the nodule is hypo functioning. If the FNA result shows a follicular neoplasm, surgical management in the...