https://www.selleckchem.com/
Immunotherapy shows prospects in treating advanced medullary thyroid carcinoma although controversial reports are present. Recently, histological grading has been applied to medullary thyroid carcinoma by the Ki-67 index, mitotic figures, and tumor necrosis. However, the interrelation of PD-L1 expression, the Ki-67 index, and major genetic alterations of sporadic medullary thyroid carcinoma has not been fully reported. We examined the expression of PD-L1 (SP142 and 22C3) and the Ki-67 index immunohistologically and detected the major genetic alterations by
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