Positron emission tomography/computed tomography with 18F-fluorodeoxyglucose identifies tumor growth or thrombosis in the portal vein with hepatocellular carcinoma

doi:10.3748/wjg.v13.i33.4529

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Sep 7, 2007 (publication date) through Apr 29, 2024

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Sep 7, 2007; 13(33): 4529-4532
Published online Sep 7, 2007. doi: 10.3748/wjg.v13.i33.4529

Positron emission tomography/computed tomography with ¹⁸F-fluorodeoxyglucose identifies tumor growth or thrombosis in the portal vein with hepatocellular carcinoma

Long Sun, Hua Wu, Wei-Ming Pan, Yong-Song Guan

Long Sun, Hua Wu, Wei-Ming Pan, Minnan PET Center, The First Hospital of Xiamen, Fujian Medical University, Xiamen 316003, Fujian Province, China

Yong-Song Guan, West China Hospital of Sichuan University; State Key Laboratory of Biotherapy, West China Medical School, Sichuan University, Gaopeng Street, Keyuan Road 4, Chengdu 610041, Sichuan Province, China

Author contributions: All authors contributed equally to the work.

Correspondence to: Yong-Song Guan, West China Hospital of Sichuan University, Chengdu; State Key Laboratory of Biotherapy, West China Medical School, Sichuan University, Gaopeng Street, Keyuan Road 4, Chengdu 610041, Sichuan Province, China. yongsongguan@yahoo.com

Telephone: +86-28-85421008 Fax: +86-28-85538359

Received: April 18, 2007
Revised: May 5, 2007
Accepted: May 12, 2007
Published online: September 7, 2007

Abstract

Patients suffering from hepatocellular carcinoma (HCC) with tumor thrombus in the portal vein generally have a poor prognosis. Portal vein tumor thrombus must be distinguished from portal vein blood thrombus, and this identification plays a very important role in management of HCC. Conventional imaging modalities have limitations in discrimination of portal vein tumor thrombus. The application of positron emission tomography (PET) with ¹⁸F-fluorodeoxyglucose (¹⁸F-FDG) for discrimination between tumor extension and blood thrombus has been reported in few cases of HCC, while portal tumor thrombosis and portal vein clot identified by ¹⁸F-FDG PET/CT in HCC patients has not been reported so far. We present two HCC cases, one with portal vein tumor thrombus and one thrombosis who were identified with ¹⁸F-FDG PET/CT. This report illustrates the complimentary value of combining the morphological and functional imaging in achieving a correct diagnosis in such clinical situations.

Keywords: ¹⁸F-fluorodeoxyglucose, Positron emission tomography, Computed tomography, Portal vein tumor thrombus, Portal vein thrombosis