Nucl Med Mol Imaging.
2014 Dec;48(4):309-312. 10.1007/s13139-014-0281-5.
Peliosis Hepatis Shows Isometabolism on 18F-FDG PET/CT: Two Case Reports
- Affiliations
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- 1Department of Nuclear Medicine, University of Ulsan College of Medicine, Asan Medical Center, 86 Asanbyeongwon-gil, Songpa-gu, Seoul 138-736, South Korea. jjwalking@amc.seoul.kr
- 2Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
- KMID: 2313215
- DOI: http://doi.org/10.1007/s13139-014-0281-5
Abstract
- Peliosis hepatis (PH) is a rare benign disease that is characterized by multiple blood-filled cystic spaces in the hepatic parenchyma. It is also characterized by a range of radiologic findings that might mimic various diseases, including metastatic liver disease and hepatocellular carcinoma. The findings of PH on 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) are not well reported. We here report two cases of biopsy-proven PH. Both patients had been treated for cancer (advanced gastric carcinoma and rectal adenocarcinoma), and follow-up CT of both cases revealed hepatic lesions with the possibility of metastasis. Examination of 18F-FDG PET/CT images suggested that the lesions were isometabolic, having metabolism similar to that of adjacent hepatic parenchyma. The outcomes of hepatic core-needle biopsies were consistent with peliosis hepatis.
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