Presentation
[…] cells present and the IgG4: IgG ratio of 75-90% (Table 1). [omicsonline.org]
Haley VA Medical Center, Tampa, FL, USA This poster was presented at USF Research Day 2017 Poster Views: 1,050 View poster » Abstract: IgG4-RD is a rare syndrome with various presentations including eosinophilia, elevated serum IgG4, organ swelling and [eposters.net]
We report a case of IgG4-related disease presenting a soft tissue tumor affecting skeletal muscle. Case Report: A 32 - year - old man presented a soft tissue mass in his left arm. [scirp.org]
Here we present a case of IgG4 related disease in a 50 year old female, who initially presented with low grade fever, sicca symptoms, eyelid swelling with proptosis along with bilateral salivary gland enlargement. [casereports.in]
IgG4-ROD was bilateral in 11 cases (57.9%) among which 10 patients (90.9%) presented with dacryoadenitis (LG) and the remaining patient presented with bilateral soft tissue involvement. [journals.lww.com]
Immune System
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Generalized Lymphadenopathy
First, generalized lymphadenopathy can be the major or sole component of the clinical presentation. Patients with IgG4-related lymphadenopathy of this nature are often constitutionally well, at least for prolonged periods. [pancreapedia.org]
Entire Body System
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Chest Discomfort
Some patients with IgG4-related lung disease experience cough, hemoptysis, dyspnea, pleural effusion, or chest discomfort (15, 56, 58). In others, however, the presence of lung disease is asymptomatic and discovered only incidentally upon imaging. [pancreapedia.org]
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Hunting
Mod Pathol 2012;25:1181–92, 10.1038/modpathol.2012.72 Tiegs-Heiden CA, Eckel LJ, Hunt CH, et al. Immunoglobulin G4–related disease of the orbit: imaging features in 27 patients. [ajnrdigest.org]
Respiratoric
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Saddle Nose
IgG4-Related Systemic Disease (IgG4-RD): An Emerging Condition and Novel Cause Of Saddle-Nose Deformity. (Submitted). Nishi S, Imai N, Yoshida K, Ito Y, Saeki T. Clinicopathological findings of immunoglobulin G4-related kidney disease. [pancreapedia.org]
Eyes
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Lagophthalmos
Presence of lagophthalmos (OS9.0 mm). [avensonline.org]
Workup
Computed tomography (CT), magnetic resonance imaging (MRI), and endoscopic retrograde cholangiopancreatography (ERCP) are usually included in the diagnostic workup. [hematologyandoncology.net]
Workup IgG4-related disease is diagnosed on the basis of clinical, biochemical and histopathological findings. It is essential to exclude differential diagnoses, some of which are shown in box 2. [tidsskriftet.no]
Xanthogranulomatous inflammation has not been previously described in IgG4RD and extensive workup to exclude infection and other autoimmune disorders is necessary. [omicsonline.org]
Imaging workup for IgG4-related disease should include a CT scan of the chest, abdomen and pelvis to detect possible multiorgan involvement, specifics of which will be further described. [rarediseasesjournal.com]
X-Ray
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Pulmonary Infiltrate
infiltrates and mediastinal lymphadenopathies. [revistanefrologia.com]
Treatment
Treatment was started with steroids and azathioprine without relapses after 12 months follow-up. [ncbi.nlm.nih.gov]
Option Treatment for IgG4-RSD traditionally has involved prednisone, a steroid medication. [massgeneral.org]
It is also being developed for treatment of systemic lupus erythematosus. Dr. [mdedge.com]
The consensus statement offers clinicians seven key statements to help guide diagnosis and treatment of IgG4-related disease (see Table 1). [the-rheumatologist.org]
Five patients initially treated for IgG4-ROD required no other treatment. [journals.lww.com]
Prognosis
The prognosis of the disease has not been clearly defined. [springerplus.springeropen.com]
Prognosis of IgG4-related disease is variable. It may spontaneously resolve or persist, with remitting and relapsing symptoms. [dermnetnz.org]
The question about the diagnostic value of limphoplazmatsitarny infiltrate detected in the salivary gland biopsy materials SD and its influence on the prognosis and course of pathological process remains open. [medlit.ru]
Multicentric CD has a poor prognosis if untreated. The most common causes of death are infections, Kaposi sarcoma, malignant lymphoma, and epithelial neoplasia. [hematologyandoncology.net]
The reported cases of infantile Cronkhite-Canada syndrome are scant ( 10). [15] Prognosis Cronkhite-Canada syndrome (CCS) is considered a relentlessly progressive disease with a variable course and poor prognosis depending mainly on control of protein [emedicine.medscape.com]
Etiology
Abstract: Background: IgG4-related disease is a rare, clinical and pathologic disease entity of unknown etiology. [eurekaselect.com]
The etiology of IgG4-RD is unknown and requires a tissue biopsy typically showing extensive lymphocyte and plasma cells infiltration, IgG4 immunoblasts, storiform fibrosis (fibrosis in a cartwheel distribution), eosinophil tissue infiltration and obliterative [eposters.net]
Trends in etiologies of chronic pancreatitis within 20 years: analysis of 636 cases. Chin Med J. 2011;124:3556-3559. 4. Deshpande V, Gupta R, Sainani NI, et al. [hematologyandoncology.net]
The underlying etiology is not known. [ajnrdigest.org]
IgG4 related disease is a syndrome of unknown etiology most often occurring in middle-aged and older men. Two major presentations of this condition are type 1 autoimmune pancreatitis and sclerosing sialadenitis. [clinlabnavigator.com]
Epidemiology
Clinical and epidemiological research IgG4 immune response in Churg–Strauss syndrome Augusto Vaglio 1, Johanna D Strehl 2, Bernhard Manger 3, Federica Maritati 1, Federico Alberici 1, Christian Beyer 3, Jürgen Rech 3, Renato A Sinico 4, Francesco Bonatti [ard.bmj.com]
Epidemiologic understanding of IgG4-related disease is limited due to insufficient awareness of the diagnosis and its only recent appearance in the medical literature. [rarediseasesjournal.com]
Sarcoidosis: "systemic disease in which diverse organ manifestations are linked by the same histopathological considerations" (Stone 2012) Spectrum of IgG4-related disease with terms replaced by IgG4-RD Mickulicz's disease Kuttner's tumor Riedel's thyroiditis Epidemiology [medicine.uiowa.edu]
Almost all the IgG-positive plasma cells are also positive for IgG4 (brown colour) The epidemiology has been only partly determined, but prevalence is estimated to be 0.28 – 1.08 cases per 100 000 ( 2 ). [tidsskriftet.no]
Pathophysiology
The aim of this review was to describe the clinical, serological, histopathological and pathophysiological aspects of IgG4‐RS in the context of IgG4‐RD and highlight the differences between IgG4‐RS and SS. [ingentaconnect.com]
The success with rituximab is just one example of how improved understanding of the pathophysiology of IgG4-RD has opened the door to novel treatments. Dr. [mdedge.com]
[…] conditions confined to single organs are now part of the spectrum of IgG4-related disease like Kuttner’s tumour, Riedel’s thyroiditis and Mikulicz’s syndrome depending on the key pathological feature present and perhaps this provides more insight into the pathophysiology [casereports.in]
Though the underlying pathophysiology is still unclear, untreated disease ultimately leads to irreversible fibrosis. [rarediseasesjournal.com]
Prevention
The treatment of choice is glucocorticoids and it could be needed to add another immuno-suppressant agent as steroid sparing and to prevent relapses. [ncbi.nlm.nih.gov]
If IgG4-RSD is diagnosed early, we can usually control the inflammation within organs and prevent further damage. [massgeneral.org]
Early recognition and therapy are important to prevent serious and irreversible tissue damage. Further epidemiologic data are needed to confirm and validate early observations. [rarediseasesjournal.com]
Treatment of IgG Subclass Deficiency Recurrent or chronic infections of the ears, sinuses and lungs need comprehensive treatment to prevent permanent damage that might result in hearing loss or chronic lung disease. [primaryimmune.org]
This should be kept in mind when only a borderline number of IgG4 plasma cells are present in the biopsies to prevent over reporting. [omicsonline.org]