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The Association Between Chronic Lymphocytic Thyroiditis and the Progress of Papillary Thyroid Cancer

慢性淋巴细胞性甲状腺炎与甲状腺乳头状癌进展的关系

  • 影响因子:2.24
  • DOI:10.1007/s00268-019-05337-9
  • 作者列表:"Lee, Inhwa","Kim, Hyeung Kyoo","Soh, Euy Young","Lee, Jeonghun
  • 发表时间:2020-01-08
Abstract

Background Whether chronic lymphocytic thyroiditis (CLT) influences the risk of development and the progression of papillary thyroid cancer (PTC) remains uncertain. We investigated the effects of CLT on the clinicopathologic features and prognosis of PTC. Methods Two thousand nine hundred twenty-eight consecutive patients with PTC treated between 2009 and 2017 were divided into two groups: one with chronic lymphocytic thyroiditis and one without; 1174 (40%) of the patients had coincident CLT. Results In univariate analysis, CLT correlated positively with small tumor size, frequent extrathyroidal extension, multifocal diseases, and p53 but negatively with central lymph node (LN) metastasis and BRAF mutation. In multivariate analysis, CLT was associated with extrathyroidal extension and multifocal disease; however, it was not a prognostic factor for recurrence even though it was associated with two aggressive factors. Compared with patients with PTC alone, there were more retrieved central LNs in the PTC + CLT group, and these patients also underwent more invasive diagnostic tests such as fine needle aspiration cytology and frozen biopsy of LN. Conclusions The CLT patients with PTC had better behavior features and prognoses than did those with PTC alone despite frequent multifocality and extrathyroidal extension. However, precaution may be necessary to avoid performing invasive diagnostic procedures for lateral LN metastasis and to manage the patients appropriately.

摘要

背景: 慢性淋巴细胞性甲状腺炎 (CLT) 是否影响甲状腺乳头状癌 (PTC) 的发生和发展的风险仍不确定。我们研究了 CLT 对 PTC 临床病理特征和预后的影响。方法连续 900 例 PTC 患者 (2017 和 2009年) 分为慢性淋巴细胞性甲状腺炎组 (1174) 和非淋巴细胞性甲状腺炎组 (40%)。 80% 的患者有重合的 CLT。结果单因素分析显示,CLT 与肿瘤体积小、甲状腺外扩散频繁、多灶性疾病、 p53 呈正相关,而与中央区淋巴结 (LN) 转移和 BRAF 突变呈负相关。在多变量分析中,CLT 与甲状腺外扩展和多灶性疾病相关; 然而,它不是复发的预后因素,即使它与两个侵袭性因素相关。与单纯 PTC 患者相比,PTC + clt 组的中央型 LNs 更多。这些患者还接受了更多的侵入性诊断检查,如 LN 的细针穿刺细胞学检查和冰冻活检。结论 CLT 合并 PTC 患者的行为特征和预后优于单纯 PTC 患者,尽管频繁出现多灶性和甲状腺外扩散。然而,预防措施可能是必要的,以避免对外侧 LN 转移进行侵入性诊断程序,并对患者进行适当的管理。

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影响因子:2.13
发表时间:2020-01-02
DOI:10.1093/ajcp/aqz145
作者列表:["Travaglino A","Pace M","Varricchio S","Insabato L","Giordano C","Picardi M","Pane F","Staibano S","Mascolo M"]

METHODS:OBJECTIVES:To assess the prevalence of Hashimoto thyroiditis (HT) in primary thyroid lymphoma (PTL) and whether it differs between mucosa-associated lymphoid tissue (MALT) lymphoma and diffuse large B-cell lymphoma (DLBCL). METHODS:Electronic databases were searched for studies assessing HT prevalence in PTL, based on antithyroid antibodies, clinical history, or pathology. Pooled prevalence of HT and its association with histotype (MALT or DLBCL) were calculated. RESULTS:Thirty-eight studies with 1,346 PTLs were included. Pooled prevalence results were 78.9% (any HT evidence), 65.3% (antithyroid antibodies), 41.7% (clinical history), and 64% (pathology). HT prevalence was significantly higher in MALT lymphoma than in DLBCL (P = .007) and in mixed DLBCL/MALT than in pure DLBCL (P = .002). CONCLUSIONS:Overall, 78.9% of patients with PTL have any HT evidence, but only half of these had been clinically followed. The difference in HT prevalence suggests that a subset of DLBCL may not derive from MALT lymphoma.

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影响因子:2.24
发表时间:2020-01-08
DOI:10.1007/s00268-019-05337-9
作者列表:["Lee, Inhwa","Kim, Hyeung Kyoo","Soh, Euy Young","Lee, Jeonghun"]

METHODS:Background Whether chronic lymphocytic thyroiditis (CLT) influences the risk of development and the progression of papillary thyroid cancer (PTC) remains uncertain. We investigated the effects of CLT on the clinicopathologic features and prognosis of PTC. Methods Two thousand nine hundred twenty-eight consecutive patients with PTC treated between 2009 and 2017 were divided into two groups: one with chronic lymphocytic thyroiditis and one without; 1174 (40%) of the patients had coincident CLT. Results In univariate analysis, CLT correlated positively with small tumor size, frequent extrathyroidal extension, multifocal diseases, and p53 but negatively with central lymph node (LN) metastasis and BRAF mutation. In multivariate analysis, CLT was associated with extrathyroidal extension and multifocal disease; however, it was not a prognostic factor for recurrence even though it was associated with two aggressive factors. Compared with patients with PTC alone, there were more retrieved central LNs in the PTC + CLT group, and these patients also underwent more invasive diagnostic tests such as fine needle aspiration cytology and frozen biopsy of LN. Conclusions The CLT patients with PTC had better behavior features and prognoses than did those with PTC alone despite frequent multifocality and extrathyroidal extension. However, precaution may be necessary to avoid performing invasive diagnostic procedures for lateral LN metastasis and to manage the patients appropriately.

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影响因子:2.69
发表时间:2020-01-29
DOI:10.1016/j.bbrc.2019.11.047
作者列表:["Zhang Z","Xu T","Qin W","Huang B","Chen W","Li S","Li J"]

METHODS::PTPN2 is one of the members of the protein Tyrosine Phosphatases (PTPs) family. To explore the promotive effect of upregulated PTPN2 induced by inflammatory response or oxidative stress on the progression of thyroid cancer. PTPN2 level in thyroid cancer tissues and cell lines was detected. Kaplan-Meier method was applied for evaluating the prognostic value of PTPN2 in thyroid cancer patients. After stimulation of inflammatory response (treatment of IFN-γ and TNF-α), or oxidative stress (treatment of H2O2), protein level of PTPN2 in K1 cells was measured by Western blot. Regulatory effects of PTPN2 on EdU-positive staining and Ki-67 positive cell ratio in K1 cells either with H2O2 stimulation or not were determined. PTPN2 was upregulated in thyroid cancer tissues and cell lines. Its level was higher in metastatic thyroid cancer patients than those of non-metastatic ones. High level of PTPN2 predicted worse prognosis of thyroid cancer. Treatment of either IFN-γ or TNF-α upregulated protein level of PTPN2 in K1 cells. Meanwhile, H2O2 stimulation upregulated PTPN2, which was reversed by NAC administration. With the stimulation of increased doses of H2O2, EdU-positive staining and Ki-67 positive cell ratio were dose-dependently elevated. Silence of PTPN2 attenuated proliferative ability and Ki-67 expression in K1 cells either with H2O2 stimulation or not. Inflammatory response or oxidative stress induces upregulation of PTPN2, thus promoting the progression of thyroid cancer.

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