刚果红染色显示甲状腺髓样癌的淀粉样基质。髓样癌可以是散在单发，也可以是家族性发病。家族发病类型与多发性内分泌瘤综合征有关系。
Here the amyloid stroma of the medullary thyroid carcinoma has been stained with Congo red. Medullary carcinomas can be sporadic or familial. The familial kind are associated with multiple endocrine neoplasia syndrome.
