Case Reports in Endocrinology / 2018 / Article / Fig 2

Case Report

Nephrectomy for Metastatic Kidney Tumor in Patients with Differentiated Thyroid Cancer: A Report of Two Cases

Figure 2

(a) Computed tomography showed the left kidney tumor (arrow). (b) The left nephrectomy specimen contained a light brown tumor measuring 4.5cm × 4.4 cm on the lower pole arrow. (c, d) Histologic sections of the resection specimen showed that the tumor formed a follicular structure, and was infiltrating and proliferating. (c): Original magnification x200, (d): Original magnification x400. (e, f) Immunohistochemistry revealed positive for thyroid transcription factor 1 (e) and thyroglobulin (f). Original magnification x400.

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