Hepatic Involvement of IgG4-Related Disease Presenting as Multiple Hypermetabolic Masses on FDG PET/CT

被引：7
作者：
Pan, Qingqing [1 ,2 ,3 ]
Wang, Ying [1 ,2 ,3 ,4 ]
Luo, Yaping [1 ,2 ,3 ]
Ma, Yanru [1 ,2 ,3 ]
Li, Fang [1 ,2 ,3 ]
机构：
[1] Chinese Acad Med Sci, Dept Nucl Med, Beijing 100730, Peoples R China
[2] Beijing Union Med Coll Hosp, Beijing 100730, Peoples R China
[3] Beijing Key Lab Mol Targeted Diag & Therapy Nucl, Beijing 100730, Peoples R China
[4] Ningxia Med Univ, Gen Hosp, Dept Nucl Med, Ningxia, Peoples R China
来源：
CLINICAL NUCLEAR MEDICINE | 2018年 / 43卷 / 10期
关键词：
IgG4-related disease; liver; FDG; PET; CT; INFLAMMATORY PSEUDOTUMOR; AUTOIMMUNE HEPATITIS; LIVER;
D O I：
10.1097/RLU.0000000000002253
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
A 45-year-old man was found with multiple hepatic masses in CT/MR, suggesting liver metastases of unknown origin. F-18-FDG PET/CT showed several hypermetabolic masses in the liver; patchy increased uptake in the pancreas; and FDG-avid lymph nodes in the neck, axilla, and mediastinum. Histopathology with biopsy revealed enriched IgG4-positive lymphoplasmacytic cells infiltrating in the liver, pancreas, and lymph nodes, which confirmed the diagnosis of IgG4-related disease. The lesions were diminished on follow-up PET/CT 3 months after treatment with prednisone. This case illustrated that multifocal FDG-avid hepatic mass might be the involvement of IgG4-related disease, which should be differentiated from malignancies.
引用
收藏
页码：777 / 779
页数：3
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