Fig. 5
From: Chest wall lymph node metastasis from follicular thyroid carcinoma: a rare case report
The tumor cells were mildly dysplastic and formed follicular structures of different sizes. Glial secretions were seen in some follicular cavities(a), Immunohistochemical staining for TTF1(b), CK7(c), thyroglobulin(d) and CD56(e) were positive. (original magnification, 200x)