scholarly journals Immunoglobulin G4-related sclerosing cholangitis mimicking cholangiocarcinoma: a case report and literature review

2020 ◽  
Vol 48 (10) ◽  
pp. 030006052095921
Author(s):  
Cheng Xu ◽  
Yongmei Han
Keyword(s):  
Sclerosing Cholangitis ◽  
Plasma Cells ◽  
Elevated Serum ◽  
Clinical Manifestations ◽  
Immunoglobulin G4 ◽  
Igg4 Related Disease ◽  
Serum Igg4 ◽  
History Of ◽  
The Common

Immunoglobulin G4 (IgG4)-related disease (IgG4-RD) is a novel clinical disease that is characterized by elevated serum IgG4 concentrations and tumefaction or tissue infiltrated by IgG4+ plasma cells. The clinical manifestations of IgG4-RD depend on the type of tissues affected. IgG4-related sclerosing cholangitis is a type of IgG4-RD. We report a patient who initially visited a local hospital with a 5-month history of jaundice. He was found to have a mass in the upper part of the common bile duct that mimicked cholangiocarcinoma. He underwent surgery in our hospital and was later diagnosed with IgG4-related sclerosing cholangitis. We administered prednisolone 40 mg once a day for treatment. Taking into account the possible side effects of moderate-dose hormone therapy, we also administered teprenone, potassium chloride, and calcium carbonate. The patient did not have any recurrence of symptoms or adverse drug reactions during follow-up.

scholarly journals Immunoglobulin G4 Sclerosing Cholangitis: An Unusual Cause of Obstructive Jaundice—Case Report and Literature Review

2018 ◽  
Vol 2018 ◽  
pp. 1-5
Author(s):  
Pragya Shrestha ◽  
Brian Le ◽  
Brent Wagner ◽  
William Pompella ◽  
Paras Karmacharya
Keyword(s):  
Sclerosing Cholangitis ◽  
Plasma Cells ◽  
Systemic Disease ◽  
Clinical Manifestations ◽  
Disease Process ◽  
High Serum ◽  
Diagnostic Challenge ◽  
Obliterative Phlebitis ◽  
Immunoglobulin G4 ◽  
Serum Igg4

IgG4-related sclerosing cholangitis (IgG4-SC) is one of the most common extra-pancreatic manifestation of IgG4-related disease (IgG4-RD) and is clinically distinct from primary sclerosing cholangitis (PSC). IgG4-RD is an increasingly recognized immune-mediated fibroinflammatory systemic disease, mostly affecting middle-aged and older male populations that can affect multiple organs. The presence of extra-biliary clinical manifestations of IgG4-RD, such as parotid and lacrimal swelling, lymphadenopathy, autoimmune pancreatitis, and retroperitoneal fibrosis, if present could provide important clues to diagnosis. High serum IgG4 levels, characteristic radiological (e.g., sausage-shaped pancreas or periaortitis) or biopsy findings (high percentage of IgG4+ plasma cells, lymphoplasmacytic infiltrate, storiform fibrosis, or obliterative phlebitis) in the setting of these features is diagnostic of this disease process. However, isolated IgG4-SC might be a diagnostic challenge, and the distinction is important as management of this disorder is vastly different from other causes of cholangitis such as PSC. Systemic corticosteroid therapy is the mainstay of therapy.

scholarly journals IgG4-Related Disease: A Multispecialty Condition

2014 ◽  
Vol 2014 ◽  
pp. 1-3
Author(s):  
Iuri Usêda Santana ◽  
Emanuela Pimenta da Fonseca ◽  
Mittermayer Barreto Santiago
Keyword(s):  
Plasma Cells ◽  
Elevated Serum ◽  
Diffuse Abdominal Pain ◽  
Related Disease ◽  
Igg4 Related Disease ◽  
Lymphoplasmacytic Infiltrate ◽  
Serum Igg4 ◽  
Polyclonal Hypergammaglobulinemia ◽  
History Of ◽  
Systemic Condition

IgG4-related disease (IgG4-RD) is a recently recognized group of conditions, characterized by tumor-like swelling of involved organs, lymphoplasmacytic infiltrate rich in IgG4-positive plasma cells, variable degrees of fibrosis, and elevated serum IgG4 concentrations. Currently IgG4-RD is recognized as a systemic condition that can affect several organs and tissues. Herein we report the case of a 34-year-old male patient who was admitted to our hospital with diffuse abdominal pain, weight loss, and painful stiffness in his neck. He had a history of tumoral mass of the left maxillary region, right palpebral ptosis with protrusion of the eyeball, and chronic dry cough for about 6 years. Laboratory tests revealed polyclonal hypergammaglobulinemia and increased serum IgG4 levels. Immunohistochemical staining of the maxillary biopsy was compatible with IgG4-RD. He had an excellent response to corticosteroid therapy. This case highlights that IgG4-RD should be included in the differential diagnosis with multisystem diseases.

scholarly journals Fevers, Sweats, Weight Loss, Oh My! When IgG4 Related Disease Comes Knocking. . .

2021 ◽  
Vol 14 ◽  
pp. 117954762110463
Author(s):  
Francis Essien ◽  
Graey Wolfley ◽  
Joshua Tate ◽  
Matthew Carroll
Keyword(s):  
Weight Loss ◽  
Plasma Cells ◽  
Systemic Disease ◽  
Elevated Serum ◽  
Acute Onset ◽  
Immunoglobulin G4 ◽  
Igg4 Related Disease ◽  
Serum Igg4 ◽  
Rare Manifestation ◽  
Organ Manifestations

Immunoglobulin G4-related systemic disease (IgG4-RSD) is a fibro-inflammatory immune condition characterized by IgG4 positive plasma cells, fibrosis, and frequently elevated serum IgG4 level. Akin to sarcoidosis, IgG4-RSD is a systemic disease with diverse organ manifestations linked by common histopathologic features. IgG4-RSD typically presents sub acutely without significant constitutional symptoms or fever. Hepatic Inflammatory pseudotumor (HIP) is a rare manifestation of IgG4-RSD composed of dense lymphoplasmacytic infiltrate and extensive fibrosis. We present an older Asian male who presented with acute onset of fever and weight loss found to have IgG4-RSD complicated by a HIP and concomitant MSSA abscess.

scholarly journals The Cellular and Molecular Bases of Allergy, Inflammation and Tissue Fibrosis in Patients with IgG4-related Disease

2020 ◽  
Vol 21 (14) ◽  
pp. 5082
Author(s):  
Song-Chou Hsieh ◽  
Chieh-Yu Shen ◽  
Hsien-Tzung Liao ◽  
Ming-Han Chen ◽  
Cheng-Han Wu ◽  
...  
Keyword(s):  
Plasma Cells ◽  
Elevated Serum ◽  
Clinical Manifestations ◽  
Malignant Neoplasms ◽  
Th2 Response ◽  
Obliterative Phlebitis ◽  
Inflammatory Reactions ◽  
Related Disease ◽  
Igg4 Related Disease ◽  
Serum Igg4

IgG4-related disease (IgG4-RD) is a spectrum of complex fibroinflammatory disorder with protean manifestations mimicking malignant neoplasms, infectious or non-infectious inflammatory process. The histopathologic features of IgG4-RD include lymphoplasmacytic infiltration, storiform fibrosis and obliterative phlebitis together with increased in situ infiltration of IgG4 bearing-plasma cells which account for more than 40% of all IgG-producing B cells. IgG4-RD can also be diagnosed based on an elevated serum IgG4 level of more than 110 mg/dL (normal < 86.5 mg/mL in adult) in conjunction with protean clinical manifestations in various organs such as pancreato–hepatobiliary inflammation with/without salivary/lacrimal gland enlargement. In the present review, we briefly discuss the role of genetic predisposition, environmental factors and candidate autoantibodies in the pathogenesis of IgG4-RD. Then, we discuss in detail the immunological paradox of IgG4 antibody, the mechanism of modified Th2 response for IgG4 rather than IgE antibody production and the controversial issues in the allergic reactions of IgG4-RD. Finally, we extensively review the implications of different immune-related cells, cytokines/chemokines/growth factors and Toll-like as well as NOD-like receptors in the pathogenesis of tissue fibro-inflammatory reactions. Our proposals for the future investigations and prospective therapeutic strategies for IgG4-RD are shown in the last part.

scholarly journals AB0125 CLINICAL CHARACTERISTICS OF RHEUMATOID ARTHRITIS PATIENTS WITH IGG4-RELATED SYNOVITIS

2021 ◽  
Vol 80 (Suppl 1) ◽  
pp. 1091.2-1092
Author(s):  
L. F. Chen ◽  
X. Zhang ◽  
C. Chen ◽  
J. D. Ma ◽  
Y. Mo ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Natural Science ◽  
Clinical Characteristics ◽  
Plasma Cells ◽  
Elevated Serum ◽  
Basic Research ◽  
Igg4 Related Disease ◽  
Serum Igg4 ◽  
Igg4 Level

Background:Elevated serum IgG4 (sIgG4) and IgG4+ plasma cell tissue infiltration are outstanding features of IgG4-related disease (IgG4-RD). However, elevated IgG4 is not specific for IgG4-RD. Our previous study reported elevated sIgG4 in 46% of rheumatoid arthritis (RA) patients (Mediators Inflamm 2014). Whether synovium from RA patients show similar characteristics of IgG4-RD and how about the clinical characteristics of RA patients with IgG4-related synovitis have not been reported yet.Objectives:To explore the serum and synovial IgG4 level and their correlation with disease indicators in RA.Methods:Active RA patients who underwent needle synovial biopsy with qualified synovium tissue were recruited. Demographic and clinical data were collected simultaneously. Synovium tissue were stained with H&E for Krenn synovitis score and immunohistochemistry for positive cell densities of CD20, CD38, IgG and IgG4. Serum IgG4 level was detected by immunonephelometry.Results:Among 96 RA patients recruited, 74 (77.1%) were female, the median age was 55.0 (46.0~61.0) years, disease duration was 42.0 (12.0~120.0) months and SDAI was 31.2 (22.1~42.8).The median sIgG4 was 1.38 (0.86~2.42) g/L and 49(51.0%) patients had elevated sIgG4. Compared with those with normal sIgG4, RA patients with elevated sIgG4 had significantly higher levels of PrGA [7 (5~8) vs. 6 (4~7)], ESR [90 (64~116) mm/h vs. 61 (38~75) mm/h], CRP [46.20 (17.20~74.20) mg/L vs. 18.90 (9.46~49.20) mg/L], DAS28-ESR [6.3 (5.6~7.4) vs. 5.7 (4.7~6.4)], SDAI [34.2 (25.3~48.8) vs. 27.8 (18.9~35.9)] and HAQ-DI [1.70 (0.61~2.28) vs. 0.88 (0.40~1.75), all P<0.05]. Meanwhile, they also showed significantly higher synovial counts of CD38+ plasma cells [1240(559~2290) /mm2 vs. 1020(354~1777) /mm2], IgG4+ plasma cells [106 (39~249) /mm2 vs. 68 (3~123) /mm2], and higher ratio of IgG4+/IgG+ plasma cells [26.3 (15.5~38.0) % vs. 15.2 (0.9~24.7) %, all P<0.05].The median IgG4+ plasma cells count was 83 (10~192) /mm2 and median ratio of IgG4+/IgG+ plasma cells was 19.1 (8.4~31.5)%. Both of them correlated positively with ESR, CRP and sIgG4 (r=0.216~0.394, all P<0.05). There were 46 (47.9%) patients with IgG4+ plasma cells >10/HPF, who had significant higher ESR [86 (50~109) mm/h vs. 65 (40~84) mm/h] and CRP [43.35 (16.93~77.85) mg/L vs. 26.15 (9.54~52.53) mg/L, both P<0.05] than those with IgG4+ plasma cells ≤10/HPF. There were 13 (13.5%) patients with the ratio of IgG4+/IgG+ plasma cells >40%, and 11 (11.5%) patients with both IgG4+ plasma cells >10/HPF and IgG4+/IgG+ plasma cells ratio >40% (IgG4-related synovitis). RA patients with IgG4-related synovitis had significant higher ESR than the others [106 (53~125) mm/h vs. 69 (41~91) mm/h, P<0.05].There were 10 (10.4%) patients showing elevated sIgG4 and IgG4-related synovitis. Four patients completed 1-year follow-up and all of them achieved remission at 6th month (SDAI≤3.3, Figure 1). Only one patient had radiographic progression at 12th month.Figure 1.Dynamic disease activity of 4 RA patients with elevated sIgG4 and IgG4-related synovitis during 1-year follow-up.Conclusion:IgG4-related synovitis can be found in RA patients. Their clinical significance in disease characteristics and outcomes are worth further study.Acknowledgements:This work was supported by National Natural Science Foundation of China (no. 81971527, 81801606 and 81801605), Guangdong Natural Science Foundation (no. 2018A030313541 and 2018A030313690), Guangdong Medical Scientific Research Foundation (no. A2018062), Guangdong Basic and Applied Basic Research Foundation (no. 2019A1515011928 and 2020A1515110061), and Science and Technology Program of Guangzhou (no. 201904010088).Disclosure of Interests:None declared

Generalised gingival enlargement as a sole manifestation of IgG4-related disease

2020 ◽  
Vol 13 (7) ◽  
pp. e236338
Author(s):  
Ashima Goyal ◽  
Mrinalini Rathore ◽  
Sanjeev Kumar Singh ◽  
Ritambara Nada
Keyword(s):  
Plasma Cells ◽  
Reference Range ◽  
Giant Cells ◽  
Related Disease ◽  
Igg4 Related Disease ◽  
Gingival Enlargement ◽  
Serum Igg4 ◽  
History Of ◽  
Gingival Epithelium

An 18-year-old woman presented with enlarged gingivae of 1-year duration with no history of drug consumption or systemic conditions that might explain the enlargement. Biopsy revealed hyperplastic gingival epithelium and a plasma cell-rich inflammatory infiltrate in the subepithelial connective tissue with the presence of scattered multinucleated giant cells. Immunostaining revealed the plasma cells to be positive for IgG4. Serum IgG4 levels were elevated at 3.6 g/L (reference range: 0.049–1.985). These findings led towards the diagnosis of an IgG4-related disease (RD). Other granulomatous conditions were also ruled out via series of investigations. The enlarged tissue was surgically excised. No corticosteroids were administered owing to the localised nature of the manifestations. After 3 months, the gingival size remained unchanged. This case has been reported with a relatively shorter follow-up period because of the rarity of the presentation. IgG4-RD should be considered while diagnosing a patient with gingival enlargement.

scholarly journals Immunoglobulin G4-related disease - diagnostic dilemma and importance of clinical judgement: a case report

2020 ◽  
Vol 8 (11) ◽  
pp. 4144
Author(s):  
Jagadeesh Chandrasekaran ◽  
Phani Krishna Machiraju
Keyword(s):  
Early Recognition ◽  
Elevated Serum ◽  
Antineutrophil Cytoplasmic Antibodies ◽  
Inflammatory Disorder ◽  
Imaging Features ◽  
Immunoglobulin G4 ◽  
Related Disease ◽  
Igg4 Related Disease ◽  
Serum Igg4 ◽  
The Right

Immunoglobulin G4 (IgG4)-related disease is a multi-organ, immune-mediated, fibro-inflammatory disorder characterized by tumefactive masses in the affected organs. Incidence and prevalence of IgG4-related disease (RD) are not clearly known and have slight male preponderance. It often involves multiple organs at the time of presentation or over the course of disease mimicking malignancy, Sjogren's syndrome, antineutrophil cytoplasmic antibodies associated vasculitis, infections. A thorough workup is needed to rule out these mimickers. A 33-year-old gentleman presented to us with history of progressive swelling in the right peri-orbital region for four years. On evaluation, abdominal imaging was notable for the sausage-shaped pancreas and hypoenchancing nodules in bilateral kidneys. Histological examination of right lacrimal gland revealed lymphoplasmacytic infiltrate and storiform fibrosis. Serum IgG4 levels were normal, and immunostaining was negative. A diagnosis of IgG4-RD was suggested because of multi-organ involvement, classical radiological and histopathological features. Awareness about IgG4-RD, an under-recognized entity is essential, as it is treatable, and early recognition may help in a favourable outcome. Appropriate use of clinicopathological, serological and imaging features in the right clinical context may help in accurate diagnosis. Elevated serum IgG4 levels and biopsy are not mandatory for the diagnosis.

scholarly journals Urologic manifestations of IgG4-related disease

2020 ◽  
Vol 80 (5) ◽  
pp. 1-10
Author(s):  
Benjamin Enrique Montaño Roca ◽  
Davide Vanacore ◽  
Gustavo Gallegos Sánchez ◽  
César Eduardo Rosales Velázquez ◽  
Guillermo Enrique Ruvalcaba Oceguera ◽  
...  
Keyword(s):  
Plasma Cells ◽  
Elevated Serum ◽  
Aged Patients ◽  
Related Disease ◽  
Igg4 Related Disease ◽  
Lymphoplasmacytic Infiltrate ◽  
Urinary Tract Symptoms ◽  
Serum Igg4 ◽  
Inflammatory Pseudotumors ◽  
Clinically Significant

IgG4-related disease (IgG4-RD) is a clinical entity characterized by elevated serum IgG4 and tumor-like inflammation, with tissue infiltration by IgG4 and plasma cells. IgG4-RD is rare, but clinically significant, and its urologic manifestations have been reported in the literature. The present review covers a broad spectrum, describing the pathologies related to the area of urology. In 2003, Terumi Kamisawa was the first to recognize IgG4-RD, characterized by multiorgan lesions in patients with autoimmune pancreatitis and classified as an inflammatory and fibrotic entity with a dense lymphoplasmacytic infiltrate, positive for  IgG4.(1–3) It presents in middle-aged patients, between 59-68 years of age, with no clear distribution by sex, (4–6) and has different clinical presentations. The main urologic manifestations are inflammatory pseudotumors and lower urinary tract symptoms. The present article offers a clear, general overview of the disease, encompassing its pathophysiology, diagnosis, and treatment, from the perspective of urology. 

scholarly journals IgG4-Related Sclerosing Cholangitis: Rarely Diagnosed, but not a Rare Disease

2021 ◽  
Vol 2021 ◽  
pp. 1-16
Author(s):  
Sylvia Drazilova ◽  
Eduard Veseliny ◽  
Patricia Denisa Lenartova ◽  
Dagmar Drazilova ◽  
Jakub Gazda ◽  
...  
Keyword(s):  
Diagnostic Criteria ◽  
Sclerosing Cholangitis ◽  
Plasma Cells ◽  
Histological Finding ◽  
Good Prognosis ◽  
High Serum ◽  
Obliterative Phlebitis ◽  
Igg4 Related Disease ◽  
Serum Igg4 ◽  
Storiform Fibrosis

IgG4-related sclerosing cholangitis, a biliary manifestation of an IgG4-related disease, belongs to the spectrum of sclerosing cholangiopathies which result in biliary stenosis. It presents with signs of cholestasis and during differential diagnosis it should be distinguished from cholangiocarcinoma or from other forms of sclerosing cholangitis (primary and secondary sclerosing cholangitis). Despite increasing information and recently established diagnostic criteria, IgG4-related sclerosing cholangitis remains underdiagnosed in routine clinical practice. The diagnosis is based on a combination of the clinical picture, laboratory parameters, histological findings, and a cholangiogram. Increased serum IgG4 levels are nonspecific but are indeed a part of the diagnostic criteria proposed by the Japan Biliary Association and the HISORt criteria for IgG4-SC. High serum IgG4 retains clinical utility depending on the magnitude of elevation. Approximately 90% of patients have concomitant autoimmune pancreatitis, while 10% present with isolated biliary involvement only. About 26% of patients have other organ involvement, such as IgG4-related dacryoadenitis/sialadenitis, IgG4-related retroperitoneal fibrosis, or IgG4-related renal lesions. A full-blown histological finding characterized by IgG4-enriched lymphoplasmacytic infiltrates, obliterative phlebitis, and storiform fibrosis is difficult to capture in practice because of its subepithelial localization. However, the histological yield is increased by immunohistochemistry, with evidence of IgG4-positive plasma cells. Based on a cholangiogram, IgG-4 related sclerosing cholangitis is classified into four subtypes according to the localization of stenoses. The first-line treatment is corticosteroids. The aim of the initial treatment is to induce clinical and laboratory remission and cholangiogram normalization. Even though 30% of patients have a recurrent course, in the literature data, there is no consensus on chronic immunosuppressive maintenance therapy. The disease has a good prognosis when diagnosed early.

scholarly journals Localized IgG4-related disease manifested on the tongue: a case report

2021 ◽  
Vol 126 (1) ◽  
Author(s):  
Helya Hashemi ◽  
Andreas Thor ◽  
Erik Hellbacher ◽  
Marie Carlson ◽  
Miklós Gulyás ◽  
...  
Keyword(s):  
Case Report ◽  
Oral Mucosa ◽  
Plasma Cells ◽  
Clinical Manifestations ◽  
Assessment System ◽  
Immunoglobulin G4 ◽  
Related Disease ◽  
Multiple Organs ◽  
Igg4 Related Disease ◽  
Initial Symptoms

Immunoglobulin G4-related disease (IgG4-RD) is an immune-mediated fibroinflammatory condition that can affect multiple organs. IgG4-RD may show a variety of initial symptoms. In the oral mucosa, lesions present as inflammatory fibrosis with a large number of IgG4-positive plasma cells. Evaluating treatment is a well-known problem in IgG4-RD due to the absence of an established assessment system. There are difficulties in defining the severity of the disease, which is why treatment is primarily based on its clinical manifestations. We present a case report of localized IgG4-RD with ulcerative and proliferative manifestations on the tongue, which clinically mimicked oral squamous cell carcinoma. A tumor-like lesion on the tongue can indicate something else other than the malignant or reactive changes commonly found in the oral mucosa. Multiple differential diagnoses of these atypical oral lesions, including localized IgG4-RD, should be considered.

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