Follicular thyroid cancer biopsy

	Follicular thyroid cancer Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ammu Susheela, M.D. [2]

Overview

On biopsy, follicular thyroid cancer is characterized by trabecular, solid, follicular tumor cells that invade tumor capsule or surrounding vascular structures.

Key Biopsy Findings in Follicular Thyroid Cancer

Fine Needle Aspiration Biopsy

The removal of thyroid tissue using a thin needle. The needle is inserted through the skin into the thyroid. Several tissue samples are removed from different parts of the thyroid. A pathologist views the tissue samples under a microscope to look for cancer cells. Because the type of thyroid cancer can be hard to diagnose, patients should ask to have biopsy sampleschecked by a pathologist who has experience diagnosing thyroid cancer.

Surgical Biopsy

The removal of the thyroid nodule or one lobe of the thyroid during surgery so the cells and tissues can be viewed under a microscope by a pathologist to check for signs of cancer. Because the type of thyroid cancer can be hard to diagnose, patients should ask to have biopsy samples checked by a pathologist who has experience diagnosing thyroid cancer.
Trabecular, solid, follicular tumor cells that invade tumor capsule or surrounding vascular structures

Biopsy Exams of Follicular Thyroid Cancer

Thyroid, total thyroidectomy. Widely invasive follicular carcinoma, 4.5 cm, with lymphovascular invasion and extracapsular extension. Negative margins
Lymph node FNA showing metastatic follicular carcinoma.
Lymph node FNA showing metastatic follicular carcinoma.
Lymph node FNA showing metastatic follicular carcinoma
C1 vertebrae biopsy positive for metastatic follicular carcinoma
C1 vertebrae biopsy positive for metastatic follicular carcinoma
Metastatic follicular carcinoma
Metastatic follicular carcinoma