問題詳情

82 35 歲男性在甲狀腺出現一個腫瘤。病理檢查發現腫瘤中有類澱粉（amyloid）沉積。下列關於這類腫瘤的敘述，何者最適當？
(A) 甲狀腺內均有 C-cell hyperplasia
(B)腫瘤細胞不含 thyroglobulin
(C)最初症狀一定有 hypocalcemia
(D) RET 突變與腫瘤的侵犯潛力無關

參考答案

答案：B
難度：適中0.666667
統計：A(0),B(4),C(0),D(0),E(0)

用户評論

【用戶】Chris

【年級】高三下

【評論內容】• Papillary carcinoma (more than 85%)：psammoma body and annie orphan nuclei• Follicular carcinoma (5% to 15%)：• Anaplastic (undifferentiated) carcinomas (less than 5%)• Medullary carcinoma (5%; not derived from follicular epithelium)Medullary carcinoma is a neuroendocrine neoplasm; like normal C cells, these secrete calcitonin (and can also produce serotonin,ACTH, and vasoactive intestinal peptide [VIP]). Some 70% of cases are sporadic with the remainder occurring in the setting of MEN-2 syndromes or familial medullary thyroid carcinoma (FMTC). RET protooncogene mutations are involved in...