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Multiple Inflammatory Pseudotumors of the Liver Demonstrating Spontaneous Regression: A Case Report.

Authors :
Ishii-Kitano, Noriko
Enomoto, Hirayuki
Nishimura, Takashi
Aizawa, Nobuhiro
Shibata, Yoko
Higashiura, Akiko
Takashima, Tomoyuki
Ikeda, Naoto
Yuri, Yukihisa
Fujiwara, Aoi
Yoshihara, Kohei
Yoshioka, Ryota
Kawata, Shoki
Ota, Shogo
Nakano, Ryota
Shiomi, Hideyuki
Hirota, Seiichi
Kumabe, Tsutomu
Nakashima, Osamu
Iijima, Hiroko
Source :
Life (2075-1729); Jan2022, Vol. 12 Issue 1, p124-N.PAG, 1p
Publication Year :
2022

Abstract

Inflammatory pseudotumor (IPT) of the liver is a rare benign disease. IPTs generally develop as solitary nodules, and cases with multiple lesions are uncommon. We herein report a case of multiple IPTs of the liver that spontaneously regressed. A 70-year-old woman with a 10-year history of primary biliary cholangitis and rheumatoid arthritis visited our hospital to receive a periodic medical examination. Abdominal ultrasonography revealed multiple hypoechoic lesions, with a maximum size of 33 mm, in the liver. Contrast-enhanced computed tomography revealed low-attenuation areas in the liver with mild peripheral enhancement at the arterial and portal phases. We first suspected metastatic liver tumors, but fluorodeoxyglucose positron emission tomography, magnetic resonance imaging and contrast-enhanced ultrasonography suggested the tumors to be inconsistent with malignant nodules. A percutaneous biopsy showed shedding of liver cells and abundant fibrosis with infiltration of inflammatory cells. Given these findings, we diagnosed the multiple tumors as IPTs. After careful observation for two months, the tumors almost vanished spontaneously. Physicians should avoid a hasty diagnosis of multiple tumors based solely on a few clinical findings, and a careful assessment with various imaging modalities should be conducted. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
20751729
Volume :
12
Issue :
1
Database :
Complementary Index
Journal :
Life (2075-1729)
Publication Type :
Academic Journal
Accession number :
154853693
Full Text :
https://doi.org/10.3390/life12010124