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Successful rituximab treatment in IgG4-related coronary periarteritis: a case-based review.
Rheumatol Int
December 2024
Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
Immunoglobulin G4-related disease (IgG4-RD) is an immune-mediated disorder characterized by elevated serum IgG4 levels and the enlargement and fibrosis of organs. As a rare manifestation, coronary arteries can be affected by IgG4-RD as coronary periarteritis, leading to serious complications such as stenosis or aneurysm. Although coronary periarteritis poses a life-threatening condition, optimal treatment strategies remain unclear due to its extreme rarity.
View Article and Find Full Text PDFSolitary recurrence of IgG4-related giant coronary aneurysm: Case report and review of the literature focusing on treatment strategies and complications.
Mod Rheumatol Case Rep
December 2023
Department of Rheumatology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan.
Coronary periarteritis is a dangerous manifestation of IgG4-related disease, because it forms coronary artery aneurysms, which may cause sudden cardiac death. We report the case of a 78-year-old woman with IgG4-related coronary periarteritis and a coronary aneurysm, which showed progressive enlargement despite maintenance therapy for Type 1 autoimmune pancreatitis. This case was unique, in that coronary periarteritis was the only active lesion that recurred.
View Article and Find Full Text PDFCoronary Artery Vasospasm in Patients With Eosinophilia.
JACC Case Rep
August 2023
Department of Cardiology, Eastern Health, Melbourne, Australia.
Coronary vasospasm is a relatively well-documented cause for ischemia and myocardial infarction in patients with nonobstructive coronary artery disease. Patients with coexisting eosinophilia present with severe manifestations and are often refractory to traditional therapies. There are few reported cases in the literature.
View Article and Find Full Text PDFPorcine circovirus type 3: immunohistochemical detection in lesions of naturally affected piglets.
Front Vet Sci
May 2023
Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
This study aimed to evaluate the relationship between porcine circovirus type 3 (PCV3) viral load and histopathological findings in perinatal piglet tissues and to develop an immunohistochemical method for detecting the virus in lesions. The quantitative polymerase chain reaction (qPCR) cycle threshold (Ct) when amplifying PCV3 DNA and the area of perivascular inflammatory infiltrates in different organs [central nervous system (CNS), lung, heart, liver, spleen, and lymph nodes] were compared. To develop an immunohistochemistry technique, rabbit sera were produced against PCV3-capsid protein peptides selected using bioinformatic analyses.
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