Article
Pulmonary hypertension in a distinct IgG4-high phenotype of sarcoidosis: A case series.
Journal of the National Medical Association - 1 Apr 2026
Seedahmed Mohamed I, Okereke Jetina, Al-Qadi Mazen O
Abstract excerpt
Sarcoidosis is a systemic disease of unknown etiology, characterized by granulomatous inflammation in various organs. Elevated serum Immunoglobulin G4 (IgG4) levels are typically associated with IgG4-related disease (IgG4-RD), characterized by plasma cell infiltration and fibrosis, but their role in sarcoidosis remains unclear. Given the fibro-inflammatory nature of both conditions, this study aimed to describe a...
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