1
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Pădureanu V, Drăgoescu AN, Pădureanu R, Rośu MM, Rădulescu D, Dop D, For£ofoiu MC. Treatment approaches in autoimmune pancreatitis (Review). Biomed Rep 2024; 20:26. [PMID: 38259589 PMCID: PMC10801350 DOI: 10.3892/br.2023.1714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 12/11/2023] [Indexed: 01/24/2024] Open
Abstract
Autoimmune pancreatitis (AIP) is a rare disease. There are two distinct types of AIP: AIP type 1 (AIP-1), a pancreatic manifestation of a multi-organ disease linked to immunoglobulin (Ig)G4, and AIP type 2 (AIP-2), a pancreas-specific disease unrelated to IgG4. The usual course of treatment for AIP is oral corticosteroid medication. Rituximab has also been recommended for recurrent AIP-1 in order to initiate remission and provide ongoing treatment. Immunomodulators such as azathioprine are used to keep certain patients in remission. Evaluation also takes into account a number of pharmacological alternatives, including biologic drugs like anti-tumor necrosis factor therapy, a safe and efficient second-line treatment for AIP-2 relapse or steroid dependence. Corticosteroids and immunosuppressants, which are poorly tolerated due to considerable side effects, are being replaced by other biologic drugs, which may offer a beneficial therapeutic alternative.
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Affiliation(s)
- Vlad Pădureanu
- Department of Internal Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Alice Nicoleta Drăgoescu
- Department of Anaesthesiology and Intensive Care, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Rodica Pădureanu
- Department of Internal Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Maria Magdalena Rośu
- Department of Diabetes, Nutrition and Metabolic Diseases, County Clinical Emergency Hospital of Craiova, Craiova 200642, Romania
| | - Dumitru Rădulescu
- Department of Pediatrics, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Dalia Dop
- Department of Surgery, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Mircea Cătălin For£ofoiu
- Department of Internal Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
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Chen S, Wang G, Wu L, Chen D, Fang K, Liu W, Xu B, Zhai YQ, Li M. Potential Added Value of 18F-FDG PET Metabolic Parameters in Predicting Disease Relapse in Type 1 Autoimmune Pancreatitis. BMC Gastroenterol 2024; 24:37. [PMID: 38233765 PMCID: PMC10792883 DOI: 10.1186/s12876-023-03113-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 12/29/2023] [Indexed: 01/19/2024] Open
Abstract
BACKGROUND The predictive value of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) metabolic parameters for predicting AIP relapse is currently unknown. This study firstly explored the value of 18F-FDG PET/CT parameters as predictors of type 1 AIP relapse. METHODS This multicenter retrospective cohort study analyzed 51 patients who received 18F-FDG PET/CT prior to treatment and did not receive maintenance therapy after remission. The study collected baseline characteristics and clinical data and conducted qualitative and semi-quantitative analysis of pancreatic lesions and extrapancreatic organs. The study used three thresholds to select the boundaries of pancreatic lesions to evaluate metabolic parameters, including the maximum standard uptake value (SUVmax), mean standard uptake value (SUVmean), total lesion glycolysis (TLG), metabolic tumor volume (MTV), and tumor-to-normal liver standard uptake value ratio (SUVR). Univariate and multivariate analyses were performed to identify independent predictors and build a recurrence prediction model. The model was internally validated using the bootstrap method and a nomogram was created for clinical application. RESULTS In the univariable analysis, the relapsed group showed higher levels of SUVmax (6.0 ± 1.6 vs. 5.2 ± 1.1; P = 0.047), SUVR (2.3 [2.0-3.0] vs. 2.0 [1.6-2.4]; P = 0.026), and TLG2.5 (234.5 ± 149.1 vs. 139.6 ± 102.5; P = 0.020) among the 18F-FDG PET metabolic parameters compared to the non-relapsed group. In the multivariable analysis, serum IgG4 (OR, 1.001; 95% CI, 1.000-1.002; P = 0.014) and TLG2.5 (OR, 1.007; 95% CI, 1.002-1.013; P = 0.012) were independent predictors associated with relapse of type 1 AIP. A receiver-operating characteristic curve of the predictive model with these two predictors demonstrated an area under the curve of 0.806. CONCLUSION 18F-FDG PET/CT metabolic parameters, particularly TLG2.5, are potential predictors for relapse in patients with type 1 AIP. A multiparameter model that includes IgG4 and TLG2.5 can enhance the ability to predict AIP relapse.
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Affiliation(s)
- Shengxin Chen
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
- Graduate School, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Guanyun Wang
- Department of Nuclear Medicine, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
- Nuclear Medicine Department, Beijing Friendship Hospital, Capital Medical University, 95 Yong'an Road, Xicheng District, Beijing, 100050, China
| | - Lang Wu
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Dexin Chen
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Kaixuan Fang
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Wenjing Liu
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Baixuan Xu
- Department of Nuclear Medicine, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Ya-Qi Zhai
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
| | - Mingyang Li
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
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Nista EC, De Lucia SS, Manilla V, Schepis T, Pellegrino A, Ojetti V, Pignataro G, Zileri dal Verme L, Franceschi F, Gasbarrini A, Candelli M. Autoimmune Pancreatitis: From Pathogenesis to Treatment. Int J Mol Sci 2022; 23:ijms232012667. [PMID: 36293522 PMCID: PMC9604056 DOI: 10.3390/ijms232012667] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 11/05/2022] Open
Abstract
Autoimmune pancreatitis (AIP) is a rare disease. The diagnosis of AIP is difficult and should be made by a comprehensive evaluation of clinical, radiological, serological, and pathological findings. Two different types of AIP have been identified: autoimmune pancreatitis type 1 (AIP-1), which is considered a pancreatic manifestation of multiorgan disease related to IgG4, and autoimmune pancreatitis type 2 (AIP-2), which is considered a pancreas-specific disease not related to IgG4. Although the pathophysiological conditions seem to differ between type 1 and type 2 pancreatitis, both respond well to steroid medications. In this review, we focused on the pathogenesis of the disease to develop a tool that could facilitate diagnosis and lead to the discovery of new therapeutic strategies to combat autoimmune pancreatitis and its relapses. The standard therapy for AIP is oral administration of corticosteroids. Rituximab (RTX) has also been proposed for induction of remission and maintenance therapy in relapsing AIP-1. In selected patients, immunomodulators such as azathioprine are used to maintain remission. The strength of this review, compared with previous studies, is that it focuses on the clear difference between the two types of autoimmune pancreatitis with a clearly delineated and separate pathogenesis. In addition, the review also considers various therapeutic options, including biologic drugs, such as anti-tumor necrosis factor (TNF) therapy, a well-tolerated and effective second-line therapy for AIP type 2 relapses or steroid dependence. Other biologic therapies are also being explored that could provide a useful therapeutic alternative to corticosteroids and immunosuppressants, which are poorly tolerated due to significant side effects.
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Affiliation(s)
- Enrico Celestino Nista
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Sara Sofia De Lucia
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Vittoria Manilla
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Tommaso Schepis
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Antonio Pellegrino
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Veronica Ojetti
- Department of Emergency, Anesthesiological, and Reanimation Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Giulia Pignataro
- Department of Emergency, Anesthesiological, and Reanimation Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Lorenzo Zileri dal Verme
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Francesco Franceschi
- Department of Emergency, Anesthesiological, and Reanimation Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Antonio Gasbarrini
- Department of Medical and Surgical Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Marcello Candelli
- Department of Emergency, Anesthesiological, and Reanimation Sciences, Università Cattolica Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Correspondence:
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4
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Masood M. Autoimmune pancreatitis: What we know so far. JGH Open 2021; 6:3-10. [PMID: 35071782 PMCID: PMC8762623 DOI: 10.1002/jgh3.12688] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 11/12/2021] [Accepted: 11/20/2021] [Indexed: 12/19/2022]
Abstract
Autoimmune pancreatitis (AIP) is a rare, often‐missed disease that involves inflammation of the pancreas and strictures of the pancreatic duct. Its prevalence and incidence in the United States remain scarce. The disease has a varied presentation and often mimics pancreatic malignancy, which can make the diagnosis challenging. Most patients have an excellent response to corticosteroid therapy. Immunomodulators may be used in some cases. Rituximab is an effective, emerging treatment in steroid‐refractory cases. This study aims to review the two distinct types of AIP and provide a detailed analysis of the diagnostic approach and treatment modalities.
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Affiliation(s)
- Muaaz Masood
- Department of Internal Medicine Medical College of Georgia at Augusta University Augusta Georgia USA
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5
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Huo L, Song L, Li N, Li X. A Case of Immunoglobulin G4-Related Autoimmune Pancreatitis With Extreme Hypergammaglobulinemia. Pancreas 2021; 49:e39-e40. [PMID: 32433412 PMCID: PMC7249492 DOI: 10.1097/mpa.0000000000001558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- Lanqing Huo
- Department of Gastroenterology Peking Union Medical College Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing, China Department of Radiology Peking Union Medical College Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing, China Department of Internal Medicine Peking Union Medical College Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing, China Department of Gastroenterology Peking Union Medical College Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing, China
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6
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Feydorova TI, Vinokurova LV, Dvoynikov SY, Mikheeva OM, Dudin GA, Akopova AO. [Clinical case of IgG4-related disease in a patient with Burkitt lymphoma]. TERAPEVT ARKH 2019; 91:100-105. [PMID: 32598742 DOI: 10.26442/00403660.2019.07.000069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Indexed: 11/22/2022]
Abstract
The article provides a case of primary diagnosis of IgG4-related disease in a patient with Burkitt lymphoma.
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Affiliation(s)
- T I Feydorova
- Loginov Moscow Clinical Scientific and Practical Center
| | | | - S Y Dvoynikov
- Loginov Moscow Clinical Scientific and Practical Center
| | - O M Mikheeva
- Loginov Moscow Clinical Scientific and Practical Center
| | - G A Dudin
- Loginov Moscow Clinical Scientific and Practical Center
| | - A O Akopova
- Loginov Moscow Clinical Scientific and Practical Center
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7
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Antila A, Siiki A, Sand J, Laukkarinen J. Perioperative hydrocortisone treatment reduces postoperative pancreatic fistula rate after open distal pancreatectomy. A randomized placebo-controlled trial. Pancreatology 2019; 19:786-792. [PMID: 31153781 DOI: 10.1016/j.pan.2019.05.457] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 04/30/2019] [Accepted: 05/14/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Postoperative pancreatic fistula (POPF) is the most common complication after distal pancreatectomy (DP). In a recent RCT on pancreaticoduodenectomy (PD), perioperative hydrocortisone (HC) treatment reduced Clavien-Dindo (C-D) III-V complications. The aim of this study was to investigate whether perioperative HC treatment reduces the overall complications and clinically significant POPF after distal pancreatectomy (DP). METHODS Fourty consecutive patients undergoing DP were randomized to receive intravenous HC 100mg/placebo every eight hours until the second postoperative day. Thirty-one patients were completed with DP and received HC/placebo every 8 h for two days postoperatively. The primary endpoint was overall complications (C-D III-V) and the secondary endpoint was the development of clinically significant POPF. RESULTS Pancreatic duct diameter, operative time and blood loss were similar in the groups. Ninety-day mortality was zero. With HC treatment the rates of C-D III-V complications tended to be lower compared to the placebo group (5.9% vs 21.4%, p = 0.034). The rate of grade B/C POPF was significantly reduced with HC treatment compared to the placebo group (5.9% vs. 42.9%, p = 0.028). CONCLUSION Perioperative HC treatment may have a favourable effect on overall major complications after open DP. HC treatment reduces the incidence of clinically significant POPF after open DP.
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Affiliation(s)
- Anne Antila
- Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland
| | - Antti Siiki
- Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland
| | - Juhani Sand
- Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland; Päijät-Häme Central Hospital, Lahti, Finland
| | - Johanna Laukkarinen
- Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland; Faculty of Medicine and Health Technology, Tampere University, Finland.
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8
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Miyazawa M, Takatori H, Shimakami T, Kawaguchi K, Kitamura K, Arai K, Matsuda K, Sanada T, Urabe T, Inamura K, Kagaya T, Mizuno H, Fuchizaki U, Yamashita T, Sakai Y, Yamashita T, Mizukoshi E, Honda M, Kaneko S. Prognosis of type 1 autoimmune pancreatitis after corticosteroid therapy-induced remission in terms of relapse and diabetes mellitus. PLoS One 2017; 12:e0188549. [PMID: 29166415 PMCID: PMC5699801 DOI: 10.1371/journal.pone.0188549] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 10/28/2017] [Indexed: 12/24/2022] Open
Abstract
Background and aim Relapse and diabetes mellitus (DM) are major problems for the prognosis of autoimmune pancreatitis (AIP). We examined the prognosis of type 1 AIP after corticosteroid therapy (CST)-induced remission in terms of relapse and DM. Methods The study enrolled 82 patients diagnosed with type 1 AIP who achieved remission with CST. We retrospectively evaluated the relapse rate in terms of the administration period of CST, clinical factors associated with relapse, and the temporal change in glucose tolerance. Results During follow-up, 32 patients (39.0%) experienced relapse. There was no significant clinical factor that could predict relapse before beginning CST. AIP patients who ceased CST within 2 or 3 years experienced significantly earlier relapse than those who had the continuance of CST (p = 0.050 or p = 0.020). Of the 37 DM patients, 15 patients (40.5%) had pre-existing DM, 17 (45.9%) showed new-onset DM, and 5 (13.5%) developed CST-induced DM. Patients with new-onset DM were significantly more likely to show improvement (p = 0.008) than those with pre-existing DM. Conclusions It was difficult to predict relapse of AIP based on clinical parameters before beginning CST. Relapse was likely to occur within 3 years after the beginning of CST and maintenance of CST for at least 3 years reduced the risk of relapse. The early initiation of CST for AIP with impaired glucose tolerance is desirable because pre-existing DM is refractory to CST.
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Affiliation(s)
- Masaki Miyazawa
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
- Department of gastroenterology, Keiju Medical Center, Nanao, Japan
- * E-mail:
| | - Hajime Takatori
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Tetsuro Shimakami
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Kazunori Kawaguchi
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Kazuya Kitamura
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Kuniaki Arai
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Koichiro Matsuda
- Department of internal medicine, Toyama Prefectural Central Hospital, Toyama, Japan
| | - Taku Sanada
- Department of internal medicine, Fukui-ken Saiseikai Hospital, Fukui, Japan
| | - Takeshi Urabe
- Department of gastroenterology, Public Central Hospital of Matto Ishikawa, Hakusan, Japan
| | - Katsuhisa Inamura
- Department of internal medicine, Tonami General Hospital, Tonami, Japan
| | - Takashi Kagaya
- Department of gastroenterology, National Hospital Organization Kanazawa Medical Center, Kanazawa, Japan
| | - Hideki Mizuno
- Department of gastroenterology, Toyama City Hospital, Toyama, Japan
| | | | - Taro Yamashita
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Yoshio Sakai
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Tatsuya Yamashita
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Eishiro Mizukoshi
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Masao Honda
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Shuichi Kaneko
- Department of gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
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9
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López-Serrano A, Crespo J, Pascual I, Salord S, Bolado F, Del-Pozo-García AJ, Ilzarbe L, de-Madaria E, Moreno-Osset E. Diagnosis, treatment and long-term outcomes of autoimmune pancreatitis in Spain based on the International Consensus Diagnostic Criteria: A multi-centre study. Pancreatology 2016; 16:382-90. [PMID: 26944001 DOI: 10.1016/j.pan.2016.02.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 12/18/2015] [Accepted: 02/12/2016] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Autoimmune pancreatitis (AIP) is a form of chronic pancreatitis that has been reported worldwide for the last two decades. The aim of this study is to analyse the clinical profile of patients from Spain with AIP, as well as treatments, relapses and long-term outcomes. METHODS Data from 59 patients with suspected AIP that had been diagnosed in 15 institutions are retrospectively analysed. Subjects are classified according to the International Consensus Diagnostic Criteria (ICDC). Patients with type 1 AIP (AIP1) and type 2 AIP (AIP2) are compared. Kaplan-Meier methodology is used to estimate the overall survival without relapses. RESULTS Fifty-two patients met ICDC, 45 patients were AIP1 (86.5%). Common manifestations included abdominal pain (65.4%) and obstructive jaundice (51.9%). Diffuse enlargement of pancreas was present in 51.0%; other organ involvement was present in 61.5%. Serum IgG4 increased in 76.7% of AIP1 patients vs. 20.0% in AIP2 (p = 0.028). Tissue specimens were obtained in 76.9%. Initial successful treatment with steroids or surgery was achieved in 79.8% and 17.3%, respectively. Maintenance treatment was given in 59.6%. Relapses were present in 40.4% of AIP1, with a median of 483 days. Successful long-term remission was achieved in 86.4%. CONCLUSIONS AIP1 is the most frequent form of AIP in Spain in our dataset. Regularly, ICDC allows AIP diagnosis without the need for surgery. Steroid and chirurgic treatments were effective and safe in most patients with AIP, although maintenance was required many times because of their tendency to relapse. Long-term serious consequences were uncommon.
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Affiliation(s)
- Antonio López-Serrano
- Department of Gastroenterology, Hospital Universitari Dr. Peset, University of Valencia, Valencia, Spain.
| | - Javier Crespo
- Department of Gastroenterology, Hospital Universitari Dr. Peset, University of Valencia, Valencia, Spain
| | - Isabel Pascual
- Department of Gastroenterology, Hospital Universitari Dr. Peset, University of Valencia, Valencia, Spain
| | - Silvia Salord
- Department of Gastroenterology, Hospital Universitari Dr. Peset, University of Valencia, Valencia, Spain
| | - Federico Bolado
- Department of Gastroenterology, Hospital Universitari Dr. Peset, University of Valencia, Valencia, Spain
| | - Andrés J Del-Pozo-García
- Department of Gastroenterology, Hospital Universitari Dr. Peset, University of Valencia, Valencia, Spain
| | - Lucas Ilzarbe
- Department of Gastroenterology, Hospital Universitari Dr. Peset, University of Valencia, Valencia, Spain
| | - Enrique de-Madaria
- Department of Gastroenterology, Hospital Universitari Dr. Peset, University of Valencia, Valencia, Spain
| | - Eduardo Moreno-Osset
- Department of Gastroenterology, Hospital Universitari Dr. Peset, University of Valencia, Valencia, Spain
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10
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Khosroshahi A, Wallace ZS, Crowe JL, Akamizu T, Azumi A, Carruthers MN, Chari ST, Della-Torre E, Frulloni L, Goto H, Hart PA, Kamisawa T, Kawa S, Kawano M, Kim MH, Kodama Y, Kubota K, Lerch MM, Löhr M, Masaki Y, Matsui S, Mimori T, Nakamura S, Nakazawa T, Ohara H, Okazaki K, Ryu JH, Saeki T, Schleinitz N, Shimatsu A, Shimosegawa T, Takahashi H, Takahira M, Tanaka A, Topazian M, Umehara H, Webster GJ, Witzig TE, Yamamoto M, Zhang W, Chiba T, Stone JH. International Consensus Guidance Statement on the Management and Treatment of IgG4-Related Disease. Arthritis Rheumatol 2015; 67:1688-99. [PMID: 25809420 DOI: 10.1002/art.39132] [Citation(s) in RCA: 600] [Impact Index Per Article: 66.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Accepted: 03/19/2015] [Indexed: 02/06/2023]
Affiliation(s)
- A Khosroshahi
- Emory University School of Medicine, Atlanta, Georgia
| | | | - J L Crowe
- University of Tennessee College of Medicine, Chattanooga
| | - T Akamizu
- Wakayama Medical University, Tokyo, Japan
| | - A Azumi
- Kobe Kaisei Hospital, Kobe, Japan
| | - M N Carruthers
- University of British Columbia, Vancouver, British Columbia, Canada
| | | | | | | | - H Goto
- Tokyo Medical University, Tokyo, Japan
| | - P A Hart
- The Ohio State University Medical College and The Ohio State University Wexner Medical Center, Columbus
| | - T Kamisawa
- Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - S Kawa
- Shinshu University, Matsumoto, Japan
| | - M Kawano
- Kanazawa University Graduate School of Medical Sciences and Kanazawa University Hospital, Kanazawa, Japan
| | - M H Kim
- University of Ulsan College of Medicine and Asan Medical Center, Ulsan, Republic of Korea
| | - Y Kodama
- Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - K Kubota
- Yokohama City University and Yokohama City University Hospital, Yokohama, Japan
| | - M M Lerch
- University of Greifswald Medical School, Greifswald, Germany
| | - M Löhr
- Karolinska Institutet, Stockholm, Sweden
| | - Y Masaki
- Kanazawa Medical University, Kanazawa, Japan
| | - S Matsui
- University of Toyama, Toyama, Japan
| | - T Mimori
- Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - S Nakamura
- Kyushu University and Kyushu University Dental Hospital, Fukuoka, Japan
| | - T Nakazawa
- Nagoya City University Graduate School of Medicine, Nagoya, Japan
| | - H Ohara
- Nagoya City University Graduate School of Medicine, Nagoya, Japan
| | - K Okazaki
- Kansai Medical University, Hirakata, Japan
| | - J H Ryu
- Mayo Clinic, Rochester, Minnesota
| | - T Saeki
- Nagaoka Red Cross Hospital, Nagaoka, Japan
| | - N Schleinitz
- Aix-Marseille Université, Assistance Publique Hôpitaux de Marseille, Marseille, France
| | - A Shimatsu
- National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | | | - H Takahashi
- Sapporo Medical University School of Medicine, Sapporo, Japan
| | - M Takahira
- Kanazawa University Graduate School of Medical Sciences and Kanazawa University Hospital, Kanazawa, Japan
| | - A Tanaka
- Teikyo University School of Medicine, Tokyo, Japan
| | | | - H Umehara
- Kanazawa Medical University, Kanazawa, Japan
| | - G J Webster
- University College London and University College London Hospitals, London, UK
| | | | - M Yamamoto
- Sapporo Medical University School of Medicine, Sapporo, Japan
| | - W Zhang
- Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, China
| | - T Chiba
- Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - J H Stone
- Massachusetts General Hospital, Boston
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- Japanese Ministry of Health, Labor, and Welfare, Amgen, and Genetech
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Cystic fibrosis transmembrane conductance regulator gene variants are associated with autoimmune pancreatitis and slow response to steroid treatment. J Cyst Fibros 2015; 14:661-7. [PMID: 25869325 DOI: 10.1016/j.jcf.2015.03.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Revised: 03/22/2015] [Accepted: 03/22/2015] [Indexed: 12/24/2022]
Abstract
BACKGROUND Autoimmune pancreatitis (AIP) is a distinct type of chronic pancreatitis. To date, the association of CFTR gene variants with AIP has not been studied. METHODS The entire coding and intronic regions of the CFTR gene were examined using next-generation sequencing in 89 AIP patients. Clinical features, including imaging, histology, serology, steroid treatment response and extra-pancreatic involvement, were compared between AIP patients with and without CFTR gene variants. RESULTS A total of 28.1% (25/89) of the AIP patients carried 26 CFTR variants, including nine with I556V, seven with 5T, four with S42F, two with I125T, and one each with R31C, R553X, S895N, and G1069R. The presence of CFTR variants and age was independent predictors of the response to steroid treatment, as shown by multivariate analysis. CONCLUSIONS CFTR variants are associated with AIP. Because AIP patients with CFTR variants show slower and reduced steroid treatment responses, different treatments should be considered in AIP patients with CFTR variants.
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Xin L, He YX, Zhu XF, Zhang QH, Hu LH, Zou DW, Jin ZD, Chang XJ, Zheng JM, Zuo CJ, Shao CW, Jin G, Liao Z, Li ZS. Diagnosis and treatment of autoimmune pancreatitis: experience with 100 patients. Hepatobiliary Pancreat Dis Int 2014; 13:642-8. [PMID: 25475868 DOI: 10.1016/s1499-3872(14)60263-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Autoimmune pancreatitis (AIP) is increasingly recognized as a unique subtype of pancreatitis. This study aimed to analyze the diagnosis and treatment of AIP patients from a tertiary care center in China. METHODS One hundred patients with AIP who had been treated from January 2005 to December 2012 in our hospital were enrolled in this study. We retrospectively reviewed the data of clinical manifestations, laboratory tests, imaging examinations, pathological examinations, treatment and outcomes of the patients. RESULTS The median age of the patients at onset was 57 years (range 23-82) with a male to female ratio of 8.1:1. The common manifestations of the patients included obstructive jaundice (49 patients, 49.0%), abdominal pain (30, 30.0%), and acute pancreatitis (11, 11.0%). Biliary involvement was one of the most extrapancreatic manifestations (64, 64.0%). Fifty-six (56.0%) and 43 (43.0%) patients were classified into focal-type and diffuse-type respectively according to the imaging examinations. The levels of serum IgG and IgG4 were elevated in 69.4% (43/62) and 92.0% (69/75) patients. Pathological analysis of specimens from 27 patients supported the diagnosis of lymphoplasmacytic sclerosing pancreatitis, and marked (>10 cells/HPF) IgG4 positive cells were found in 20 (74.1%) patients. Steroid treatment and surgery as the main initial treatments were given to 41 (41.0%) and 28 (28.0%) patients, respectively. The remission rate after the initial treatment was 85.0%. Steroid was given as the treatment after relapse in most of the patients and the total remission rate at the end of follow-up was 96.0%. CONCLUSIONS Clinical manifestations, laboratory tests, imaging and pathology examinations in combination could increase the diagnostic accuracy of AIP. Steroid treatment with an initial dose of 30 or 40 mg prednisone is effective and safe in most patients with AIP.
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Affiliation(s)
- Lei Xin
- Department of Gastroenterology, Changhai Hospital, Second Military Medical University, Shanghai 200433, China.
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Saavedra-Perez D, Vaquero EC, Ayuso JR, Fernandez-Cruz L. Pancreatitis autoinmune: un dilema quirúrgico. Cir Esp 2014; 92:645-53. [DOI: 10.1016/j.ciresp.2014.01.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2013] [Accepted: 01/25/2014] [Indexed: 01/06/2023]
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Mangin M, Sinha R, Fincher K. Inflammation and vitamin D: the infection connection. Inflamm Res 2014; 63:803-19. [PMID: 25048990 PMCID: PMC4160567 DOI: 10.1007/s00011-014-0755-z] [Citation(s) in RCA: 174] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Revised: 06/04/2014] [Accepted: 06/23/2014] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION Inflammation is believed to be a contributing factor to many chronic diseases. The influence of vitamin D deficiency on inflammation is being explored but studies have not demonstrated a causative effect. METHODS Low serum 25(OH)D is also found in healthy persons exposed to adequate sunlight. Despite increased vitamin D supplementation inflammatory diseases are increasing. The current method of determining vitamin D status may be at fault. The level of 25(OH)D does not always reflect the level of 1,25(OH)2D. Assessment of both metabolites often reveals elevated 1,25(OH)2D, indicating abnormal vitamin D endocrine function. FINDINGS This article reviews vitamin D's influence on the immune system, examines the myths regarding vitamin D photosynthesis, discusses ways to accurately assess vitamin D status, describes the risks of supplementation, explains the effect of persistent infection on vitamin D metabolism and presents a novel immunotherapy which provides evidence of an infection connection to inflammation. CONCLUSION Some authorities now believe that low 25(OH)D is a consequence of chronic inflammation rather than the cause. Research points to a bacterial etiology pathogenesis for an inflammatory disease process which results in high 1,25(OH)2D and low 25(OH)D. Immunotherapy, directed at eradicating persistent intracellular pathogens, corrects dysregulated vitamin D metabolism and resolves inflammatory symptoms.
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Affiliation(s)
- Meg Mangin
- Chronic Illness Recovery, Fort Worth, Texas, USA,
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Maruyama M, Watanabe T, Kanai K, Oguchi T, Asano J, Ito T, Ozaki Y, Muraki T, Hamano H, Arakura N, Kawa S. Autoimmune pancreatitis can develop into chronic pancreatitis. Orphanet J Rare Dis 2014; 9:77. [PMID: 24884922 PMCID: PMC4038704 DOI: 10.1186/1750-1172-9-77] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2014] [Accepted: 05/15/2014] [Indexed: 12/12/2022] Open
Abstract
Autoimmune pancreatitis (AIP) has been recognized as a distinct type of pancreatitis that is possibly caused by autoimmune mechanisms. AIP is characterized by high serum IgG4 and IgG4-positive plasma cell infiltration in affected pancreatic tissue. Acute phase AIP responds favorably to corticosteroid therapy and results in the amelioration of clinical findings. However, the long-term prognosis and outcome of AIP remain unclear. We have proposed a working hypothesis that AIP can develop into ordinary chronic pancreatitis resembling alcoholic pancreatitis over a long-term course based on several clinical findings, most notably frequent pancreatic stone formation. In this review article, we describe a series of study results to confirm our hypothesis and clarify that: 1) pancreatic calcification in AIP is closely associated with disease recurrence; 2) advanced stage AIP might have earlier been included in ordinary chronic pancreatitis; 3) approximately 40% of AIP patients experience pancreatic stone formation over a long-term course, for which a primary risk factor is narrowing of both Wirsung’s and Santorini’s ducts; and 4) nearly 20% of AIP patients progress to confirmed chronic pancreatitis according to the revised Japanese Clinical Diagnostic Criteria, with independent risk factors being pancreatic head swelling and non-narrowing of the pancreatic body duct.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Shigeyuki Kawa
- Center for Health, Safety, and Environmental Management, Shinshu University, 3-1-1 Asahi, Matsumoto 390-8621, Japan.
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Immunoglobulin G4-related pancreatic and biliary diseases. CANADIAN JOURNAL OF GASTROENTEROLOGY = JOURNAL CANADIEN DE GASTROENTEROLOGIE 2014; 27:523-30. [PMID: 24078937 DOI: 10.1155/2013/180461] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Autoimmune pancreatitis and autoimmune cholangitis are new clinical entities that are now recognized as the pancreatico-biliary manifestations of immunoglobulin (Ig) G4-related disease. OBJECTIVE To summarize important clinical aspects of IgG4-related pancreatic and biliary diseases, and to review the role of IgG4 in the diagnosis of autoimmune pancreatitis (AIP) and autoimmune cholangitis (AIC). METHODS A narrative review was performed using the PubMed database and the following keywords: "IgG4", "IgG4 related disease", "autoimmune pancreatitis", "sclerosing cholangitis" and "autoimmune cholangitis". A total of 955 articles were retrieved; of these, 381 contained relevant data regarding the IgG4 molecule, pathogenesis of IgG-related diseases, and diagnosis, management and long-term follow-up for patients with AIP and AIC. Of these 381 articles, 66 of the most pertinent were selected. RESULTS The selected studies demonstrated the increasing clinical importance of both AIP and AIC, which can mimic pancreatic cancer and cholangiocarcinoma, respectively. IgG4 titration in tissue or blood cannot be used alone to diagnose all IgG4-related diseases; however, it is often a useful adjunct to clinical, radiological and histological features. AIP and AIC respond to steroids; however, relapse is common and long-term maintenance treatment often required. CONCLUSIONS A review of the diagnosis and management of both AIC and AIP is timely and pertinent to clinical practice because the amount of information regarding these conditions has increased substantially in the past few years, resulting in significant impact on the clinical management of affected patients.
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Martínez J, Abad-González Á, Aparicio JR, Aparisi L, Boadas J, Boix E, de las Heras G, Domínguez-Muñoz E, Farré A, Fernández-Cruz L, Gómez L, Iglesias-García J, García-Malpartida K, Guarner L, Lariño-Noia J, Lluís F, López A, Molero X, Moreno-Pérez Ó, Navarro S, Palazón JM, Pérez-Mateo M, Sabater L, Sastre Y, Vaquero EC, De-Madaria E. Recomendaciones del Club Español Pancreático para el diagnóstico y tratamiento de la pancreatitis crónica: parte 1 (diagnóstico). GASTROENTEROLOGIA Y HEPATOLOGIA 2013; 36:326-39. [DOI: 10.1016/j.gastrohep.2012.12.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Revised: 12/14/2012] [Accepted: 12/27/2012] [Indexed: 12/20/2022]
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Liu B, Li J, Yan LN, Sun HR, Liu T, Zhang ZX. Retrospective study of steroid therapy for patients with autoimmune pancreatitis in a Chinese population. World J Gastroenterol 2013; 19:569-574. [PMID: 23382638 PMCID: PMC3558583 DOI: 10.3748/wjg.v19.i4.569] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2012] [Accepted: 12/27/2012] [Indexed: 02/06/2023] Open
Abstract
AIM: To explore the optimal steroid therapeutic strategy for autoimmune pancreatitis (AIP).
METHODS: This study was conducted retrospectively in two large institutions in China. Patients with clinically, radiologically and biochemically diagnosed AIP were enrolled. The performed radiological investigations and biochemical tests, the regimen of the given steroid treatment, remission and relapse whether with and without steroid therapy were analyzed.
RESULTS: Twenty-eight patients with AIP received steroid treatment, while 40 patients were treated surgically by pancreatoduodenectomy, distal pancreatectomy and choledochojejunostomy, radiofrequency ablation for the enlarged pancreatic head, percutaneous transhepatic biliary drainage and endoscopic biliary drainage. The starting oral prednisolone dose was 30 mg/d in 18 (64.3%) patients and 40 mg/d in 10 (35.7%) patients administered for 3 wk. The remission rate of AIP patients with steroid treatment (96.4%) was significantly higher than in those without steroid treatment (75%). Maintenance therapy (oral prednisolone dose 5 mg/d) was performed after remission for at least 6-12 mo to complete the treatment course. Similarly, the relapse rate was significantly lower in AIP patients with steroid treatment (28.6%) than in those without steroid treatment (42.5%). Steroid re-treatment was effective in all relapsed patients with or without steroid therapy.
CONCLUSION: Steroid therapy should be considered in all patients with active inflammatory phase of AIP. However, the optimal regimen still should be trailed in larger numbers of patients with AIP.
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Martínez J, Abad-González A, Aparicio JR, Aparisi L, Boadas J, Boix E, de Las Heras G, Domínguez-Muñoz E, Farré A, Fernández-Cruz L, Gómez L, Iglesias-García J, García-Malpartida K, Guarner L, Lariño-Noia J, Lluís F, López A, Molero X, Moreno-Pérez O, Navarro S, Palazón JM, Pérez-Mateo M, Sabater L, Sastre Y, Vaquero E, de-Madaria E. The Spanish Pancreatic Club recommendations for the diagnosis and treatment of chronic pancreatitis: part 1 (diagnosis). Pancreatology 2012; 13:8-17. [PMID: 23395564 DOI: 10.1016/j.pan.2012.11.309] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2012] [Revised: 11/13/2012] [Accepted: 11/18/2012] [Indexed: 12/11/2022]
Abstract
Chronic pancreatitis (CP) is a relatively uncommon, complex and heterogeneous disease. The absence of a gold standard applicable to the initial phases of CP makes its early diagnosis difficult. Some of its complications, particularly chronic pain, can be difficult to manage. There is much variability in the diagnosis and treatment of CP and its complications amongst centers and professionals. The Spanish Pancreatic Club has developed a consensus on the management of CP. Two coordinators chose a multidisciplinary panel of 24 experts on this disease. A list of questions was drafted, and two experts reviewed each question. Then, a draft was produced and shared with the entire panel of experts and discussed in a face-to-face meeting. This first part of the consensus addresses the diagnosis of CP and its complications.
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Affiliation(s)
- J Martínez
- Pancreatic Unit, University General Hospital of Alicante, Spain.
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Proctor RD, Rofe CJ, Bryant TJC, Hacking CN, Stedman B. Autoimmune pancreatitis: an illustrated guide to diagnosis. Clin Radiol 2012. [PMID: 23177083 DOI: 10.1016/j.crad.2012.08.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Autoimmune pancreatitis (AIP) remains one of the rarer forms of pancreatitis but has become increasingly well recognized and widely diagnosed as it is an important differential, particularly due to the dramatic response to appropriate therapy. It is now best considered as part of a multisystem disease and the notion of "IgG4-related systemic sclerosing disease" has become widely recognized as the number of extra-pancreatic associations of AIP grows. More recently AIP has been classified into two subtypes: lymphoplasmacytic sclerosing pancreatitis (LPSP) and idiopathic duct-centric pancreatitis (IDCP) with distinct geographical, age and sex distributions for the two subtypes, in addition to different pathological characteristics. The role of imaging is crucial in AIP and should be considered in conjunction with clinical, serological, and histopathological findings to make the diagnosis. Radiologists are uniquely placed to raise the possibility of AIP and aid the exclusion of significant differentials to allow the initiation of appropriate management and avoidance of unnecessary intervention. Radiological investigation may reveal a number of characteristic imaging findings in AIP but appearances can vary considerably and the focal form of AIP may appear as a pancreatic mass, imitating pancreatic carcinoma. This review will illustrate typical and atypical appearances of AIP on all imaging modes. Emphasis will be placed on the imaging features that are likely to prove useful in discriminating AIP from other causes prior to histopathological confirmation. In addition, examples of relevant differential diagnoses are discussed and illustrated.
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Affiliation(s)
- R D Proctor
- Department of Clinical Radiology, Royal Cornwall Hospitals NHS Trust, Truro, UK
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Garg D, Nagar A, Philips S, Takahashi N, Prasad SR, Shanbhogue AK, Sahani DV. Immunological diseases of the pancreatico-hepatobiliary system: update on etiopathogenesis and cross-sectional imaging findings. ACTA ACUST UNITED AC 2012; 37:261-74. [PMID: 21597892 DOI: 10.1007/s00261-011-9759-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Immunological diseases of the hepatobiliary system and the pancreas include a broad spectrum of disorders that manifest characteristic histopathology/serology and variable clinical features and imaging findings. Recent studies have thrown fresh light on the complex role of genetics and autoimmunity in the pathogenesis and natural history of these diverse disorders that include autoimmune hepatitis, primary biliary cirrhosis, primary sclerosing cholangitis, IgG4-related cholangitis, overlap/outlier syndromes, and autoimmune pancreatitis.
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Affiliation(s)
- Deepak Garg
- Department of Radiology, University of Texas Health Science Center, San Antonio, TX 78229, USA
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Abstract
PURPOSE OF REVIEW IgG4-related systemic disease (IgG4-RSD) is a systemic fibroinflammatory condition that can affect any organ system. Prompt recognition and management of this disease process are necessary to prevent sclerosis and permanent organ damage. Here, we review the advances in treatment approaches to IgG4-RSD. RECENT FINDINGS Most information regarding treatment is derived from retrospective case series of patients with autoimmune pancreatitis (AIP), and follow-up periods have generally been short. A variety of IgG4-RSD presentations respond rapidly to glucocorticoid treatment. Glucocorticoids have become a standard therapy for AIP, but the indications requiring treatment as well as the appropriate starting dose and duration of therapy remain controversial. The importance of maintenance of glucocorticoids following remission induction is debatable. As our knowledge grows regarding other organ manifestations of IgG4-RSD with longer follow-ups, the necessity of steroid-sparing agents to manage frequent relapses becomes clear. SUMMARY The natural history and long-term prognosis of IgG4-RSD are not well understood. Large prospective studies and randomized controlled trials of patients with wide spectrum manifestations of IgG4-RSD are required to support better approaches to treatment.
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Affiliation(s)
- Arezou Khosroshahi
- Rheumatology Unit, Massachusetts General Hospital, Boston, MA 02114, USA.
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