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Isolated Mass-Forming IgG4-Related Cholangitis as an Initial Clinical Presentation of Systemic IgG4-Related Disease
Journal of Pathology and Translational Medicine ; : 300-305, 2016.
Artigo em Inglês | WPRIM | ID: wpr-32743
ABSTRACT
IgG4-related disease (IgG4-RD) may involve multiple organs. Although it usually presents as diffuse organ involvement, localized mass-forming lesions have been occasionally encountered in pancreas. However, the same pattern has been seldom reported in biliary tract. A 61-year-old male showed a hilar bile duct mass with multiple enlarged lymph nodes in imaging studies and he underwent trisectionectomy under impression of cholangiocarcinoma. Gross examination revealed a mass-like lesion around hilar bile duct. Histopathologically, dense lymphoplasmacytic infiltration and storiform fibrosis were identified without evidence of malignancy. Immunohistochemical stain demonstrated rich IgG4-positive plasma cell infiltration. Follow-up imaging studies disclosed multiple enlarged lymph nodes with involvement of pancreas and perisplenic soft tissue. The lesions have been significantly reduced after steroid treatment, which suggests multi-organ involvement of systemic IgG4-RD. Here, we report an unusual localized mass-forming IgG4-related cholangitis as an initial presentation of IgG4-RD, which was biliary manifestation of systemic IgG4-related autoimmune disease.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Pâncreas / Plasmócitos / Doenças Autoimunes / Ductos Biliares / Sistema Biliar / Fibrose / Colangite / Seguimentos / Colangiocarcinoma / Linfonodos Tipo de estudo: Estudo observacional / Estudo prognóstico Limite: Humanos / Masculino Idioma: Inglês Revista: Journal of Pathology and Translational Medicine Ano de publicação: 2016 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Pâncreas / Plasmócitos / Doenças Autoimunes / Ductos Biliares / Sistema Biliar / Fibrose / Colangite / Seguimentos / Colangiocarcinoma / Linfonodos Tipo de estudo: Estudo observacional / Estudo prognóstico Limite: Humanos / Masculino Idioma: Inglês Revista: Journal of Pathology and Translational Medicine Ano de publicação: 2016 Tipo de documento: Artigo