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題名 | De Novo Ret Proto-oncogene Mutation in a Patient with Multiple Endocrine Neoplasia Type 2B=2B型多發性內分泌腫瘤的RET前致癌基因新突變 |
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作者 | 張恬君; 吳世祿; 張天鈞; 黃實宏; 張天傑; | 書刊名 | 臺灣醫學會雜誌 |
卷期 | 98:10 1999.10[民88.10] |
頁次 | 頁692-697 |
分類號 | 415.66 |
關鍵詞 | 2B型多發性內分泌腫瘤; RET前致癌基因; 突變; RET proto-oncogene; Multiple endocrine neoplasia type 2B; Germline mutation; Medullary thyroid carcinoma; |
語文 | 英文(English) |
英文摘要 | We report a case of multiple endocrine neoplasia type 2B (MEN 2B) with de novo RET proto-oncogene mutation. The patient, a 23-year-old Taiwanese woman, was admitted for treatment of recurrent medullary thyroid cancer (MTC) 7 years after a total thyroidectomy. Mucosal neuromas and marfanoid appearance wre also noted. Because MEN 2B was suspected, the patient and her family members underwent genetic analysis. A heterozygous germline mutation at codon 918 (ATG→ACG)of the proto-oncogene RET was detected in the patient. This mutation was considered de novo, as it was not detected in either of her parents or her siblings. The patient underwent surgery for removal of the recurrent tumor. Although no pheochromocytoma was noted, regular follow-up is necessary because of persistent hypercalcitoninemia. |
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