Article
Malignancy and mass-forming phenotypes of IgG4-related disease: a challenging diagnosis.
BMJ case reports - 3 Jul 2024
Morão Bárbara, Ramos Lídia Roque, Oliveira Maria Helena, Glória Luísa
Abstract excerpt
Mass-forming phenotypes of IgG4-related disease (IgG4-RD) mimic malignancy and histological confirmation can be challenging. A woman in her 70s with HIV infection presented with painless obstructive jaundice and weight loss. Magnetic resonance imaging was suggestive of unresectable cholangiocarcinoma. Tumour markers and serum IgG4 were normal. Percutaneous liver biopsy was consistent with IgG4-RD inflammatory...
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