目的分析血清免疫球蛋白4(immunoglobulin 4,IgG4)、辅助性T细胞17(helper T 17,Th17)/调节性T细胞(regulatory T cells,Treg)评估激素治疗自身免疫性胰腺炎(autoimmune pancreatitis,AIP)患者效果的价值。方法选取铜川市人民医院2021年...目的分析血清免疫球蛋白4(immunoglobulin 4,IgG4)、辅助性T细胞17(helper T 17,Th17)/调节性T细胞(regulatory T cells,Treg)评估激素治疗自身免疫性胰腺炎(autoimmune pancreatitis,AIP)患者效果的价值。方法选取铜川市人民医院2021年4月至2023年9月收治的95例AIP患者,其中男55例,女40例,年龄(54.28±5.51)岁;48例有吸烟史,49例有饮酒史。治疗前,用流式细胞仪检测患者Th17、Treg,计算Th17/Treg,用酶联免疫吸附法检测AMY水平。所有患者均采用激素治疗。根据疗效将患者分为有效组(完全缓解、部分缓解)和无效组(治疗失败)。对比两组患者基础资料和血清学指标。分析血清IgG4、Th17/Treg评估激素治疗AIP患者效果的价值。采用t检验和χ^(2)检验。采用二元logistic逐步回归模型进行影响因素分析,绘制受试者操作特征曲线(ROC)评估预测效能。结果AIP患者激素治疗后,完全缓解43例,部分缓解30例,治疗失败22例,有效率为75.00%(73/95),无效率为23.16%(22/95)。有效组Th17/Treg和D-D、AMY、IgG4水平低于无效组[(1.05±0.14)比(2.21±0.34)、(0.23±0.05)mg/L比(0.52±0.12)mg/L、(296.56±15.74)U/L比(436.26±18.52)U/L、(2.47±0.41)g/L比(4.62±0.78)g/L],差异有统计学意义(t=23.475、16.556、35.005、17.091,均P<0.001)。二元logistic回归分析结果显示,Th17/Treg(OR=4.486,95%CI 1.533~13.125)、D-D水平(OR=3.333,95%CI 1.139~9.753)、AMY水平(OR=3.912,95%CI 1.337~11.445)、IgG4水平(OR=3.077,95%CI 1.052~9.003)是AIP患者激素治疗无效的影响因素(均P<0.05)。ROC分析显示,Th17/Treg、D-D、AMY、IgG4、四者联合预测AIP患者激素治疗无效的灵敏度分别为77.27%、63.64%、68.18%、72.73%、90.91%,特异度分别为76.71%、68.49%、69.86%、73.97%、91.78%。结论Th17/Treg、D-D、AMY、IgG4水平与AIP患者激素治疗无效相关,联合检测预测AIP患者激素治疗效果更为精准且高效。展开更多
Introduction: IgG4 disease is an orphan, fibro-inflammatory autoimmune disease of recent discovery whose thoracic involvement is rarer. We report a case of Pulmonary and orbital bifocal IgG4 disease with a review of t...Introduction: IgG4 disease is an orphan, fibro-inflammatory autoimmune disease of recent discovery whose thoracic involvement is rarer. We report a case of Pulmonary and orbital bifocal IgG4 disease with a review of the literature. Observation: This is a 71-year-old patient with a history of hypertension, dyslipidemia, smoking cessation at 15 PA, with progressive dyspnoea, weight loss of 4 kg with PS = 0 for 2 months. The thoracic CT scan revealed 3 pseudotumoral lung lesions of the LIG, LID and LM. The histology of the two CT-guided lung biopsies and the LIG wedge had objectified inflammatory lesions without signs of malignancy. The evolution was marked by the occurrence of a right orbital edema. The cerebral scanner found a voluminous right orbital inflammatory pseudotumor. Biopsy with histology found fibroinflammatory lesions with lymphoplasmacytic infiltrates and positive immunolabeling with anti-IgG4 antibodies. The PET scanner had objectified pulmonary and pleural parenchymal consolidations and moderately hypermetabolic mediastinal ADP with max SUV between 3 and 6. The patient was put on corticosteroid therapy with a favorable outcome. Conclusion: IgG4 disease is rare and difficult to diagnose despite well-defined and consensual diagnostic criteria and classification. The discovery of new biomarkers facilitates the diagnosis and monitoring of patients. Well-codified corticosteroid therapy is effective but possibility of recurrence. The current challenge remains the lack of data on the follow-up of these patients to assess the risk of neoplasia (lymphoma).展开更多
Warthin’s tumor is the second most frequent neoplasm next to pleomorphic adenoma in the salivary gland. The tumor contains the epithelial oncocyte cells with the presence of rich-mitochondria and their surrounding ab...Warthin’s tumor is the second most frequent neoplasm next to pleomorphic adenoma in the salivary gland. The tumor contains the epithelial oncocyte cells with the presence of rich-mitochondria and their surrounding abundant lymphocytes. A relatively new disease entity of IgG4-related disease frequently occurs in the salivary gland. However, the coexistence of Warthin’s tumor and IgG4-related disease is scarcely observed. We have recently experienced a rare case of Warthin’s tumor with IgG4-related sialadenitis. A 51-year-old man presented to our hospital, complaining of a mass with right submandibular tenderness and spontaneous pain. A computed tomography scan of the cervical region revealed a suspicion of lymph node proliferative disease, including malignant lymphoma. Elevated serum levels of IL-2R: 1843 U/ml (reference value 122 - 496 U/ml), IgG: 3430 mg/dl (reference value 861 - 1747 mg/dl), and IgG4: 3140 mg/dl (reference value 11 - 121 mg/dl) were observed. Other laboratory data showed within normal ranges. The cervical tumor was diagnosed as Warthin’s tumor by the findings of fine-needle aspiration cytology and biopsy examination. Immunohistochemistry revealed numerous IgG4- and IgG-positive cells with fibrosis surrounding the epithelial component of Warthin’s tumor, suggesting IgG4-rerated sialadenitis. Finally, we diagnosed the cervical tumor as Warthin tumor with IgG4-related sialadenitis. This is the second report describing a case of Warthin’s tumor with possible involvement of IgG4-related sialadenitis.展开更多
We report on an unusual case presenting with a cardiac pseudo-tumour on echocardiogram, which corresponded to a large soft tissue mural thickening around the mid-right coronary artery. There were similar but not as th...We report on an unusual case presenting with a cardiac pseudo-tumour on echocardiogram, which corresponded to a large soft tissue mural thickening around the mid-right coronary artery. There were similar but not as thick mural lesions around other parts of the coronary arteries. The so-called “pigs-in-a-blanket” sign on computed tomography (CT) scan was pathognomonic of IgG4 coronary arteritis. The IgG4 level was grossly elevated at more than 10 times the upper limit of normal. Positron emission tomography (PET)-CT scans with 18F-fluoro-deoxy-glucose (FDG) and 68Ga-Fibroblast Activation Protein Inhibitor (FAPI) were performed to assess the extent of organ involvement of the IgG4-related disease. The patient was treated with 8 injections of rituximab with good serological response. However, the coronary arteritis findings on CT scan remained unchanged.展开更多
文摘Introduction: IgG4 disease is an orphan, fibro-inflammatory autoimmune disease of recent discovery whose thoracic involvement is rarer. We report a case of Pulmonary and orbital bifocal IgG4 disease with a review of the literature. Observation: This is a 71-year-old patient with a history of hypertension, dyslipidemia, smoking cessation at 15 PA, with progressive dyspnoea, weight loss of 4 kg with PS = 0 for 2 months. The thoracic CT scan revealed 3 pseudotumoral lung lesions of the LIG, LID and LM. The histology of the two CT-guided lung biopsies and the LIG wedge had objectified inflammatory lesions without signs of malignancy. The evolution was marked by the occurrence of a right orbital edema. The cerebral scanner found a voluminous right orbital inflammatory pseudotumor. Biopsy with histology found fibroinflammatory lesions with lymphoplasmacytic infiltrates and positive immunolabeling with anti-IgG4 antibodies. The PET scanner had objectified pulmonary and pleural parenchymal consolidations and moderately hypermetabolic mediastinal ADP with max SUV between 3 and 6. The patient was put on corticosteroid therapy with a favorable outcome. Conclusion: IgG4 disease is rare and difficult to diagnose despite well-defined and consensual diagnostic criteria and classification. The discovery of new biomarkers facilitates the diagnosis and monitoring of patients. Well-codified corticosteroid therapy is effective but possibility of recurrence. The current challenge remains the lack of data on the follow-up of these patients to assess the risk of neoplasia (lymphoma).
文摘Warthin’s tumor is the second most frequent neoplasm next to pleomorphic adenoma in the salivary gland. The tumor contains the epithelial oncocyte cells with the presence of rich-mitochondria and their surrounding abundant lymphocytes. A relatively new disease entity of IgG4-related disease frequently occurs in the salivary gland. However, the coexistence of Warthin’s tumor and IgG4-related disease is scarcely observed. We have recently experienced a rare case of Warthin’s tumor with IgG4-related sialadenitis. A 51-year-old man presented to our hospital, complaining of a mass with right submandibular tenderness and spontaneous pain. A computed tomography scan of the cervical region revealed a suspicion of lymph node proliferative disease, including malignant lymphoma. Elevated serum levels of IL-2R: 1843 U/ml (reference value 122 - 496 U/ml), IgG: 3430 mg/dl (reference value 861 - 1747 mg/dl), and IgG4: 3140 mg/dl (reference value 11 - 121 mg/dl) were observed. Other laboratory data showed within normal ranges. The cervical tumor was diagnosed as Warthin’s tumor by the findings of fine-needle aspiration cytology and biopsy examination. Immunohistochemistry revealed numerous IgG4- and IgG-positive cells with fibrosis surrounding the epithelial component of Warthin’s tumor, suggesting IgG4-rerated sialadenitis. Finally, we diagnosed the cervical tumor as Warthin tumor with IgG4-related sialadenitis. This is the second report describing a case of Warthin’s tumor with possible involvement of IgG4-related sialadenitis.
文摘We report on an unusual case presenting with a cardiac pseudo-tumour on echocardiogram, which corresponded to a large soft tissue mural thickening around the mid-right coronary artery. There were similar but not as thick mural lesions around other parts of the coronary arteries. The so-called “pigs-in-a-blanket” sign on computed tomography (CT) scan was pathognomonic of IgG4 coronary arteritis. The IgG4 level was grossly elevated at more than 10 times the upper limit of normal. Positron emission tomography (PET)-CT scans with 18F-fluoro-deoxy-glucose (FDG) and 68Ga-Fibroblast Activation Protein Inhibitor (FAPI) were performed to assess the extent of organ involvement of the IgG4-related disease. The patient was treated with 8 injections of rituximab with good serological response. However, the coronary arteritis findings on CT scan remained unchanged.