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Surgical Case Reports
Fig. 3 | Surgical Case Reports

Fig. 3

From: Selpercatinib for treating recurrent mixed medullary and follicular cell-derived thyroid carcinoma: a case report

Fig. 3

Microscopic examination of the right lobe thyroid mass. The tumor was mixture of two components: one component showed features of medullary thyroid carcinoma with positive immunostaining for calcitonin and negative for thyroglobulin, whereas the other component resembled follicular structures with positive staining for thyroglobulin and negative staining for calcitonin. a H&E × 40, b H&E × 400, c Calcitonin, d Thyroglobulin

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