Hepatic Inflammatory Pseudotumor Associated with Xanthogranulomatous Cholangitis Mimicking Cholangiocarcinoma
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- Bae Sung Kwan
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Abiru Seigo
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Kamohara Yukio
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Hashimoto Satoru
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Otani Masashi
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Saeki Akira
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Nagaoka Shinya
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Yamasaki Kazumi
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Komori Atsumasa
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Ito Masahiro
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Fujioka Hikaru
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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- Yatsuhashi Hiroshi
- Clinical Research Center, National Hospital Organization (NHO) Nagasaki Medical Center, Japan
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抄録
Inflammatory pseudotumor (IPT) is a rare benign condition often misdiagnosed as malignancy. An 80-year-old man was referred to our clinic for an asymptomatic hepatic mass detected on plain abdominal CT. Abdominal ultrasonography identified the lesion as a poorly defined hypoechoic mass. Although a liver biopsy did not provide any evidence of malignancy, imaging modalities suggested a diagnosis of cholangiocarcinoma. The patient underwent left lobectomy, and the pathological findings were consistent with the features of xanthogranulomatous cholangitis. This case is the first report of hepatic IPT originating from xanthogranulomatous cholangitis without symptoms and illustrates the importance of obtaining a preoperative diagnosis in order to avoid a misdiagnosis of malignant tumor.<br>
収録刊行物
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- Internal Medicine
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Internal Medicine 54 (7), 771-775, 2015
一般社団法人 日本内科学会