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Ideaki, H., Amano, H., Higeyuki, S., Awa, K., Oriuchi, K.H., Aoyuki, N., et al. (2001) High Serum IgG4 Concentrations in Patients with Sclerosing Pancreatitis. The New England Journal of Medicine, 344, 732-738.
https://www.nejm.org

has been cited by the following article:

• TITLE: Recurrent Pleural Effusion: Not Tuberculosis and Not a Malignancy Either

  AUTHORS: Arnil J. Doebar, Rakesh Bansie, Dasten Smit, Pieter Voigt, Mikel Chan, Iswardath Thakoer, Fitzgerald A. Gopie

  KEYWORDS: Pleural Effusion, Pancreatitis, IgG4 Related Disease, Tuberculosis

  JOURNAL NAME: Journal of Tuberculosis Research, Vol.14 No.1, January 15, 2026

  ABSTRACT: A 47-year-old male with signs of metabolic syndrome, tobacco exposure of 3 pack years and a medical history of pancreatitis and myocardial infarction presented with unilateral pleural fluid which evolved to recurrent sometimes bilateral pleural fluid. Despite rigorous diagnostic efforts a clear diagnosis could not be established. Eventually on an abdominal ultrasound pancreatic abnormality was detected leading to a suspected diagnosis of autoimmune pancreatitis and giving way to a diagnosis of pleurisy due to Immunoglobulin G4 Related Disease (IgG4 RD) based on the 2019 ACR/EULAR classification criteria for IgG4 RD. Treatment with corticosteroids followed by rituximab resulted in sustained resolution of the pleural fluid and patient improvement.