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Chen S, Zhang H, Fang F, Ye C, Zhang K. Characteristics of mass-forming autoimmune pancreatitis commonly misdiagnosed as a malignant tumor. Front Surg 2023; 10:1017621. [PMID: 36761026 PMCID: PMC9905684 DOI: 10.3389/fsurg.2023.1017621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 01/02/2023] [Indexed: 01/26/2023] Open
Abstract
Objective This study aimed to explore the clinical characteristics and differential diagnosis of patients with autoimmune pancreatitis (AIP) and pancreatic cancer to prevent misdiagnosis and mistreatment. Methods The clinical data of patients with AIP with suspected pancreatic or bile duct malignancy and pancreatic cancer were retrospectively analyzed. The risk factors and the diagnostic value of IgG4 and Tbil levels before treatment for AIP was investigated. Moreover, the imaging features and response to hormone therapy were analyzed. Results AIP was commonly observed in men. Compared to patients with pancreatic cancer, the incidence of poor appetite and weight loss and carbohydrate antigen 19-9 (CA19-9) level was lower in patients with AIP, while the immunoglobulin G4 (IgG4) level was higher (p < 0.05). After treatment, the IgG4 and CA19-9 levels in patients with AIP were decreased (p < 0.001). IgG4 level before treatment (OR = 2.452, 95%CI: 1.180-5.096, P = 0.016) and total bilirubin (Tbil) level before treatment (OR = 0.992, 95%CI: 0.985-0.998, P = 0.013) were independent risk factors of AIP. Furthermore, the diagnostic value of IgG4 level before treatment, Tbil level before treatment, IgG4/Tbil before treatment, and a combination of these indicators was high. Moreover, 15 (68.18%) patients with AIP had space-occupying lesions of the pancreas, and 16 (72.73%) had autoimmune cholangitis. Most patients with AIP were sensitive to hormone therapy. Conclusions The Tbil and IgG4 levels, imaging findings, and hormone therapy reactivity could differentiate AIP from pancreatic cancer. A combination of IgG4, Tbil, and IgG4/Tbil before treatment might be a promising diagnostic biomarker for AIP.
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Affiliation(s)
- Si Chen
- Department of Gastroenterology, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China,Correspondence: Si Chen Kaiguang Zhang
| | - Hanlei Zhang
- Department of Gastroenterology, the Affiliated Provincial Hospital, Anhui Medical University, Hefei, China
| | - Fang Fang
- Department of Gastroenterology, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Chao Ye
- Department of Gastroenterology, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Kaiguang Zhang
- Department of Gastroenterology, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China,Correspondence: Si Chen Kaiguang Zhang
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Liu B, Tang N, Yao Y, Li H, Xu L, Zhou B, Liu B. Steroid treatment response combined with serological mark in differentiating type-1 autoimmune pancreatitis from pancreatic cancer. Medicine (Baltimore) 2022; 101:e31660. [PMID: 36397434 PMCID: PMC9666219 DOI: 10.1097/md.0000000000031660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 10/13/2022] [Indexed: 11/19/2022] Open
Abstract
Autoimmune pancreatitis (AIP) and pancreatic cancer (PC) are two different diseases. Their diagnosis, treatment, and prognosis are different, and it is difficult to differentiate them. This study aimed to explore the role of steroid treatment response combined with serological mark in distinguishing type-1 AIP from PC. Clinical data were collected and compared from 50 cases of AIP (group 1) and 100 cases of PC (group 2). The diagnostic value of serum IgG4, CA19-9, globulin, and eosinophil cell (EC) were evaluated. The response of steroid treatment of 28 patients with atypical imaging in group 1 was analyzed. After 2 weeks, the patients were classified as positive and negative steroid response according to the manifestations and/or the radiological changes. The positive response cases (n = 20) were confirmed as AIP, whereas negative ones (n = 8) were finally diagnosed as PC after complete resection. Serum globulin, IgG4, and EC levels in group 1 were significantly higher than those in group 2 (P < .01), and CA19-9 levels were distinctly lower in group 1 (P < .01). The level of serum IgG4 was related to the accuracy of diagnosis of AIP on the basis of the result of logistic regression analysis. Two-weeks steroid therapy response combined with serum IgG4 levels contribute to the differential diagnosis AIP and PC. However, regular and long-term follow-up were important for the differential diagnosis. There was an urgent need to explore the specific markers that distinguish these 2 entities.
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Affiliation(s)
- Bingqian Liu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Ning Tang
- Department of Nutrition, Weifang People’s Hospital, Shandong Province, China
| | - Yuan Yao
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Hua Li
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Lishan Xu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Bin Zhou
- Department of Biliary and Pancreatic Surgery, Department of Retroperitoneal Tumor Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Bin Liu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
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Jin Q, Ge Y, Chen X, Tan C, Huang Z, Wang B, Zhang B, Peng Q, Wang X, Wang G. The Clinical Phenotype of Chinese Patients With Autoimmune Pancreatitis Differs Significantly From Western Patients. Front Med (Lausanne) 2022; 9:771784. [PMID: 35321468 PMCID: PMC8935039 DOI: 10.3389/fmed.2022.771784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 01/31/2022] [Indexed: 11/29/2022] Open
Abstract
Aim To characterize the clinical features of autoimmune pancreatitis (AIP) in China and compare differences between our Chinese cohort and Western cohorts. Methods This was a retrospective study of patients with AIP that was carried out in the China-Japan Friendship Hospital between January 2010 and April 2021. We included a total of 50 patients (46 males and 4 females) aged between 27 and 86 years who fulfilled the international Consensus Diagnostic (ICD) Criteria. For comparative purposes, we included data from seven representative Western cohorts. Result When comparing Chinese and Western patients, we found that obstructive jaundice was the most frequent initial symptom (68 vs. 43%, P < 0.001). Extra-pancreatic organ involvement was more common in Chinese patients (68 vs. 30%, P < 0.001). Sclerosing cholangitis was the most frequent extrapancreatic lesion (48 vs. 24%, P = 0.001). The elevation of serum IgG4 was more obvious in our cohort (86 vs. 49%, P < 0.001). Conversely, the rates of ANA-positivity were significantly higher in Western populations (17 vs. 50%, P = 0.006). With regards to imaging, diffuse swelling was significantly more common in China (44 vs. 27%, P = 0.021). Steroid therapy was used more frequently in our Chinese patients (84 vs. 59%, P = 0.001). The steroid-response rate was also significantly higher in our Chinese patients (85 vs. 54%, P = 0.001); However, the rate of resection was higher in Western cohorts (2 vs. 31%, P < 0.001). There was no significant difference between the two populations with regards to recurrence rate (33 vs. 33%, P = 1.000). Conclusion This study identified significant differences between Chinese and Western populations of patients with AIP. Within the Chinese population, AIP was more likely to have jaundice and extra-pancreatic organ involvement, and elevated serum IgG4 levels. Chinese patients were also showed favorable responses to treatment with glucocorticoids.
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Affiliation(s)
- Qiwen Jin
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Yongpeng Ge
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing, China
| | - Xixia Chen
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Chang Tan
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Zhenguo Huang
- Department of Radiology, China-Japan Friendship Hospital, Beijing, China
| | - Bei Wang
- Department of Pathology, China-Japan Friendship Hospital, Beijing, China
| | - Bo Zhang
- Department of Ultrasound, China-Japan Friendship Hospital, Beijing, China
| | - Qinglin Peng
- Beijing Key Lab for Immune-Mediated Inflammatory Diseases, Department of Rheumatology, China-Japan Friendship Hospital, Beijing, China
| | - Xiaodi Wang
- Department of Gastroenterology, China-Japan Friendship Hospital, Beijing, China
| | - Guochun Wang
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing, China
- *Correspondence: Guochun Wang
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Yan T, Ke Y, Chen Y, Xu C, Yu C, Li Y. Serological characteristics of autoimmune pancreatitis and its differential diagnosis from pancreatic cancer by using a combination of carbohydrate antigen 19-9, globulin, eosinophils and hemoglobin. PLoS One 2017; 12:e0174735. [PMID: 28369140 PMCID: PMC5378371 DOI: 10.1371/journal.pone.0174735] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 03/14/2017] [Indexed: 12/17/2022] Open
Abstract
Autoimmune pancreatitis (AIP) is a special type of chronic pancreatitis, which may be misdiagnosed as pancreatic carcinoma. This study aims to verify new biomarkers for AIP and propose a serological pattern to differentiate AIP from pancreatic adenocarcinoma with routinely performed tests. In this study, data of serum samples were collected and compared between 25 patients with AIP and 100 patients with pancreatic carcinoma. Receiver operating characteristic analysis and logistic regression was performed to evaluate the diagnostic effect of serum parameters in differentiating AIP from pancreatic carcinoma alone or in combination. Among several serum markers observed in the two groups, carbohydrate antigen 19-9 (Ca19-9), globulin, eosinophils and hemoglobin were selected as the independent markers. Serum levels of Globulin, Eosinophil percentage in AIP group were significantly higher than in pancreatic cancer group (P<0.05), while hemoglobin and tumor marker CA19-9 levels were lower (P <0.05). The combination of these markers identified patients with AIP with 92% sensitivity and 79% specificity, which indicated relatively high diagnostic value. Elevated serum eosinophils, globulin, together with decreased hemoglobin level can be used as a preoperative indicator for AIP and can help to initiate diagnosis of AIP in time.
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Affiliation(s)
- Tianlian Yan
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yini Ke
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Chen
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chengfu Xu
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chaohui Yu
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Youming Li
- Department of Gastroenterology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Zhao LN, Han WY, Lu L, Yu T, Li JY, Min XH, Xia ZS, Yuan YH, Chen QK. Clinical features and expressions of Foxp3 and IL-17 in type 1 autoimmune pancreatitis in China. Med Sci Monit 2014; 20:2720-8. [PMID: 25553723 PMCID: PMC4278699 DOI: 10.12659/msm.891221] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Background Autoimmune pancreatitis (AIP) is a distinct type of pancreatitis associated with a presumed autoimmune mechanism. The aim of this study was to analyze the clinical features and expressions of forkhead box P3 (Foxp3) and interleukin-17 (IL-17) in type 1 AIP in China and to identify factors for differentiation of AIP from non-AIP chronic pancreatitis (CP). Material/Methods We retrospectively reviewed pancreatic specimens with diagnosis of type 1 AIP and non-AIP CP at Sun Yat-Sen Memorial Hospital in China from January 2000 to December 2013. The clinical symptoms, serological data, imaging findings, histopathology, and immunohistochemical findings of Foxp3 and IL-17 in the 2 groups were analyzed. Results Twenty-nine patients with type 1 AIP and 20 patients with non-AIP CP were enrolled. Obstructive jaundice was more common in type 1 AIP than in non-AIP CP (62.1% vs. 30.0%, P=0.042). The diffuse or segmental enlargement of the pancreas was more frequent in type 1 AIP than in non-AIP CP (72.4% vs. 40.0%, P=0.038). Histopathology of type 1 AIP presented dense lymphoplasmacytic infiltration, “snowstorm-like” fibrosis and abundant immunoglobulin (Ig) G4+ cells. Foxp3+ cells were more frequently observed in type 1 AIP than in non-AIP CP. IL-17+ cell infiltration was similar between the 2 groups. Furthermore, a positive correlation was found between Foxp3+ and IgG4+ cell counts in the pancreas of patients with type 1 AIP. Conclusions Type 1 AIP has distinctive symptoms, image, and pathological characteristics, which could be used for differentiation from non-AIP CP. Foxp3+ cells might be helpful to distinguish type 1 AIP from non-AIP CP.
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Affiliation(s)
- Li-Na Zhao
- Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China (mainland)
| | - Wen-Ya Han
- Department of General Internal Medicine, Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, Guangdong, China (mainland)
| | - Lu Lu
- Department of General Surgery, Guangzhou Municipal Twelfth People's Hospital, Guangzhou, Guangdong, China (mainland)
| | - Tao Yu
- Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China (mainland)
| | - Jie-Yao Li
- Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China (mainland)
| | - Xiao-Hui Min
- Department of Infection, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China (mainland)
| | - Zhong-Sheng Xia
- Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China (mainland)
| | - Yu-Hong Yuan
- Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China (mainland)
| | - Qi-Kui Chen
- Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China (mainland)
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Matsubayashi H, Kakushima N, Takizawa K, Tanaka M, Imai K, Hotta K, Ono H. Diagnosis of autoimmune pancreatitis. World J Gastroenterol 2014; 20:16559-16569. [PMID: 25469024 PMCID: PMC4248199 DOI: 10.3748/wjg.v20.i44.16559] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Revised: 05/10/2014] [Accepted: 07/22/2014] [Indexed: 02/06/2023] Open
Abstract
Autoimmune pancreatitis (AIP) is a distinct form of chronic pancreatitis that is increasingly being reported. The presentation and clinical image findings of AIP sometimes resemble those of several pancreatic malignancies, but the therapeutic strategy differs appreciably. Therefore, accurate diagnosis is necessary for cases of AIP. To date, AIP is classified into two distinct subtypes from the viewpoints of etiology, serum markers, histology, other organ involvements, and frequency of relapse: type 1 is related to IgG4 (lymphoplasmacytic sclerosing pancreatitis) and type 2 is related to a granulocytic epithelial lesion (idiopathic duct-centric chronic pancreatitis). Both types of AIP are characterized by focal or diffuse pancreatic enlargement accompanied with a narrowing of the main pancreatic duct, and both show dramatic responses to corticosteroid. Unlike type 2, type 1 is characteristically associated with increasing levels of serum IgG4 and positive serum autoantibodies, abundant infiltration of IgG4-positive plasmacytes, frequent extrapancreatic lesions, and relapse. These findings have led several countries to propose diagnostic criteria for AIP, which consist of essentially similar diagnostic items; however, several differences exist for each country, mainly due to differences in the definition of AIP and the modalities used to diagnose this disease. An attempt to unite the diagnostic criteria worldwide was made with the publication in 2011 of the international consensus diagnostic criteria for AIP, established at the 2010 Congress of the International Association of Pancreatology (IAP).
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