Occult Thyroid Carcinoma without Malignant Thyroid Gland Findings during Preoperative Examination: Report of Three Cases

Figure 4

Pathology results for a tumor. Mediastinal tumor growing in papillary shape with a fibrotic capsule. Tumor cells have nuclear groove and inclusion body (HE staining). (a) ×20. (b) ×400.

(a)

(b)