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中华诊断学电子杂志 ›› 2023, Vol. 11 ›› Issue (04) : 233 -238. doi: 10.3877/cma.j.issn.2095-655X.2023.04.004

超声诊断

甲状腺滤泡状癌的超声及临床病理特征分析
努尔波勒, 马平, 诸玮()   
  1. 211300 南京市高淳人民医院超声科
    211300 南京市高淳人民医院病理科
  • 收稿日期:2022-12-31 出版日期:2023-11-26
  • 通信作者: 诸玮
  • 基金资助:
    江苏大学2021年临床医学科技发展基金项目(JLY2021173)

Ultrasonographic and clinicopathological features in patients with follicular thyroid cancer

Nuerbole, Ping Ma, Wei Zhu()   

  1. Department of Ultrasonography, Nanjing Gaochun People′s Hospital, Nanjing 211300, China
    Department of Pathology, Nanjing Gaochun People′s Hospital, Nanjing 211300, China
  • Received:2022-12-31 Published:2023-11-26
  • Corresponding author: Wei Zhu
引用本文:

努尔波勒, 马平, 诸玮. 甲状腺滤泡状癌的超声及临床病理特征分析[J]. 中华诊断学电子杂志, 2023, 11(04): 233-238.

Nuerbole, Ping Ma, Wei Zhu. Ultrasonographic and clinicopathological features in patients with follicular thyroid cancer[J]. Chinese Journal of Diagnostics(Electronic Edition), 2023, 11(04): 233-238.

目的

探讨甲状腺滤泡状癌(FTC)的超声及临床病理学特征。

方法

选择2019年6月15日至2022年12月31日于南京市高淳人医院超声科诊断的17例FTC患者,总结其超声、组织病理以及细针穿刺细胞学(FNAC)检查术后基因检测结果的特征。

结果

17例患者病灶长径为(31.23±15.44)mm。超声检查示所有患者肿块回声不均匀,均无微小钙化灶;76.47%(13/17)患者的超声学特点表现为肿块最大径大于25 mm,88.24%(15/17)的患者肿块可见血流信号,且其中70.59%(12/17)患者肿块内血流信号稀疏,82.35%(14/17)的患者肿块未见周围声晕;患者病灶弹性成像评分为(2.53±0.76)分。组织病理学结果显示所有病例的肿块都侵犯到了包膜及包膜外;免疫组织化学染色结果表明所有病例均为甲状腺转录因子1(TTF)阳性,降钙素阴性。9例患者进行FNAC后基因突变检测,鼠类肉瘤病毒癌基因(BRAF)突变检测均为阴性,其中6例患者进行端粒酶逆转录酶(TERT)基因突变检测,有5例为阳性。

结论

术后病理学检查仍然是诊断FTC的金标准,FNAC术联合分子标志物TERT的检测有助于提高FTC的术前诊断率。

Objective

To investigate the ultrasonographic and clinicopathological features of follicular thyroid cancer (FTC).

Methods

Seventeen patients diagnosed with FTC in the Ultrasonography Department of Nanjing Gaochun people′s Hospital between June 15, 2019 and December 31, 2022 were included to summarize the characteristics of ultrasonography, histopathology and gene testing results after fine needle aspiration cytology (FNAC) examination.

Results

The lesions in 17 patients had an average length diameter of (31.23±15.44)mm. Uneven echo and no microcalcification were visible on ultrasound. The maximum diameter of the mass exceeded than 25 mm in 76.47% (13/17) of the patients, 88.24% (15/17) of the patients could see the blood signal in the mass, 70.59% (12/17) of the patients had sparse blood signal, and 82.35% (14/17) of the patients had no surrounding sound halo. The patients received a focal elastic imaging score of (2.53±0.76) points. Histopathological findings revealed that the mass had invaded the capsule and extended outside of the capsule in each case. Immunohistochemical analysis showed that all instances were positive for thyroid transcription factor 1 (TTF) and negative for calcitonin. Nine individuals had the post FNAC gene mutation detection, while the B-Raf proto-oncogene serine/threonine kinase (BRAF) mutation was negative. In these patients, 6 patients had telomerase reverse transcriptase (TERT) gene mutation detection, of which 5 were positive.

Conclusions

Postoperative pathological examination is considered the gold standard for the diagnosis of FTC. However, the combination of FNAC and TERT detection can enhance the preoperative diagnostic accuracy of FTC.

表1 17例FTC患者病灶的超声特征
图1 甲状腺滤泡状癌的超声特征图像注:a图示甲状腺内等回声实性肿块,边界欠清晰,与甲状腺包膜分界欠清晰,内部回声不均匀,未见声晕,彩色多普勒血流显像(CDFI)示血流信号稀疏(箭头所示);b图示甲状腺内混合回声团块,边界欠清晰,与甲状腺包膜分界欠清晰,向包膜外突出,内部回声不均匀,CDFI见丰富的血流信号(箭头所示)
图2 甲状腺滤泡状癌病理特征图像注:a图示甲状腺右叶滤泡性肿瘤,见灶区包膜侵犯(HE× 10)(箭头所示); b图示降钙素免疫组织化学染色阴性(间接法× 10)
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