Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
A Case of IgG4-related Lung Pseudotumor and Pleural Inflammation with Autoimmune Hepatitis
Kazunori NagashimaItsuki SanoTomoe KobayashiKazunori EtoKosuke NagaiRyusuke NinomiyaAkira SuzukiYoshihiro OohataKouhei KonishiTsuyoshi NakanoFumiyasu Yamamoto
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JOURNALS OPEN ACCESS Advance online publication

Article ID: 9026-17

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Abstract

A 63-year-old man was admitted to our department following a secondary medical examination. Blood tests showed high levels of liver enzymes, IgG, IgG4, and antinuclear antibody. Computed tomography showed tumors in the bilateral lower lobes of the lungs and pleural thickening. After pleural and liver biopsy procedures, he was conclusively diagnosed with IgG4-related lung pseudotumor and pleural inflammation with autoimmune hepatitis. We started treatment with prednisolone 40 mg/day, and chest X-rays and blood tests showed signs of improvement. This was a rare case that suggested an association between IgG4-related disease and autoimmune hepatitis.

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© 2018 by The Japanese Society of Internal Medicine
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