Liver infection as a result of tuberculosis is well known; there are several histological lesions, the most important being epithelioid cell granuloma. There are 3 anatomo-clinic variants: military or micronodular type, macronodular or pseudotumoral and pericanalicular of cholestatic. A case of a 66 year old male with a diagnosis of hepatic pseudotumoral tuberculosis, confirmed by means of a laparoscopy, is presented. The rareness of this particular presentation is discussed, as well as the difficult diagnosis due to confusion with primary or metastatic tumors of the liver.
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J Ultrasound Med
December 2024
Department of Ultrasound, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China.
Objectives: Current literature on imaging characteristics of hepatic inflammatory pseudotumor (HIPT) is limited. This study aimed to analyze the contrast-enhanced ultrasound (CEUS) features in HIPT and compare them with contrast-enhanced computed tomography (CECT) and contrast-enhanced magnetic resonance imaging (CEMRI).
Methods: A total of 83 patients with histologically proven HIPT from two medical institutions were included in this study.
Gan To Kagaku Ryoho
October 2024
Dept. of Surgery, Fukui Prefectural Hospital.
An 88-year-old man was referred to our hospital for further examination of an asymptomatic liver tumor. MRI showed low-intensity regions on T1-weighted images, high-intensity regions on T2-weighted images, high-intensity regions on diffusion-weighted images, and low-intensity regions in the arterial, portal, and hepatocyte phases of Gd-EOB-DTPA. PET scan of the tumor was positive, while endoscopy exhibited no malignant findings.
View Article and Find Full Text PDFHistopathology
October 2024
Department of Pathology, University of California, San Francisco, San Francisco, CA, USA.
Aims: Hepatic inflammatory pseudotumours (IPTs) are nonneoplastic hepatic masses characterized by variably fibroblastic stroma and inflammatory infiltrate, hypothesized to arise as part of a response to infection or prior surgery. The aim of this study was to evaluate the clinicopathologic features and outcomes of biopsy-proven hepatic IPT as well as other cases with IPT-like histologic features.
Methods And Results: A database search at our institution identified cases with a pathologic diagnosis of hepatic IPT (n = 80) between 2000 and 2023.
Clin Nucl Med
January 2025
From the Department of Nuclear Medicine, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Hepatic inflammatory pseudotumor is a rare benign disease. We describe the 18 F-FDG and 18 F-FAPI-42 PET/CT findings of hepatic inflammatory pseudotumor in a 57-year-old man. Compared with 18 F-FDG, 18 F-FAPI-42 PET/CT identified more lesions and showed more intense uptake within the lesions.
View Article and Find Full Text PDFInsights Imaging
August 2024
Department of Radiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Science, Nanning, 530021, Guangxi, China.
Objectives: The objective of this study was to examine the imaging features of hepatic inflammatory pseudotumors (IPTs) associated with IgG4-related and IgG4-unrelated conditions and to enhance the approach toward distinguishing between these two types of IPTs.
Methods: A retrospective study was conducted, involving 20 patients diagnosed with hepatic IPTs. Imaging procedures were conducted within a timeframe of 4 weeks prior to hepatectomy or biopsy.
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