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CT features of hepatic metastases from hepatoid adenocarcinoma

Authors
 Min-Yung Chang  ;  Hye Jin Kim  ;  Seung Hyun Park  ;  Hyunki Kim  ;  Dong Kyu Choi  ;  Joon Seok Lim  ;  Mi-Suk Park  ;  Myeong-Jin Kim  ;  Honsoul Kim 
Citation
 Abdominal Radiology, Vol.42(10) : 2402-2409, 2017 
Journal Title
 Abdominal Radiology 
Issue Date
2017
MeSH
Adenocarcinoma/diagnostic imaging* ; Adenocarcinoma/secondary ; Adult ; Aged ; Carcinoma, Hepatocellular/diagnostic imaging* ; Carcinoma, Hepatocellular/pathology* ; Colonic Neoplasms/pathology* ; Contrast Media ; Female ; Humans ; Liver Neoplasms/diagnostic imaging* ; Liver Neoplasms/secondary* ; Male ; Middle Aged ; Retrospective Studies ; Stomach Neoplasms/pathology* ; Tomography, X-Ray Computed/methods*
Keywords
CT ; Hepatocellular carcinoma ; Hepatoid adenocarcinoma ; Liver metastasis
Abstract
PURPOSE: The purpose of this study was to report the imaging presentation of hepatic metastases from hepatoid adenocarcinoma (HAC). METHODS: We retrospectively identified 11 patients (10 men and 1 woman; median age 66) with HAC liver metastasis who underwent contrast-enhanced computed tomography (CT) which included arterial phase and portal venous phase. Two radiologists analyzed the imaging parameters, which included the enhancement pattern on arterial and portal phase images, necrosis, venous thrombi, and overall imaging diagnosis, and arrived at a consensus. RESULTS: On arterial phase, the liver lesions had global hyper-enhancement (n = 0), heterogeneous hyper-enhancement (63.6%; n = 7/11), peripheral hyper-enhancement (n = 0), iso-enhancement (n = 0/11), or hypo-enhancement (36.4%; n = 4/11). On portal venous phase, homogenous hypo-enhancement (18.2%; n = 2/11) and heterogenous hypo-enhancement (81.8%; n = 9/11) were observed. Venous thromboses occurred in four patients (36.4%; n = 4/11). The overall imaging diagnoses were "HCC-like" in seven patients (63.6%; n = 7/11), "indeterminable" in 1 patient (9.1%; n = 1/11), and "HCC-unlike" in three patients (27.3%; n = 3/11). CONCLUSIONS: The imaging features of HAC liver metastasis were varied. Arterial phase enhancement coupled with venous phase washout (resembling HCC imaging features) was a major finding, but arterial phase hypo-enhancement (distinct from HCC imaging features) was also frequently encountered.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/161307
DOI
10.1007/s00261-017-1150-3
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실)
Yonsei Authors
김명진(Kim, Myeong Jin) ; 김한솔(Kim, Hon Soul) ; 김현기(Kim, Hyunki) ; 박미숙(Park, Mi-Suk) ; 박승현(Park, Seung Hyun) ; 임준석(Lim, Joon Seok)
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Full Text
https://link.springer.com/article/10.1007%2Fs00261-017-1150-3
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