Hepatocellular carcinoma: prediction of blood supply from right inferior phrenic artery by multiphasic CT

Journal of Computer Assisted Tomography
Yuriko OkinoHiromu Mori

Abstract

Recurrent hepatocellular carcinoma (HCC) often occurs with extrahepatic arterial supply (parasitic supply), essentially due to liver intraarterial chemoembolization, which could potentially hamper retreatment. The right inferior phrenic artery (RIPA) is the most frequent extrahepatic feeding artery. We investigated computed tomography (CT) findings of parasitic supply by the RIPA, and discuss the utility of multiphasic CT for prediction of parasitic supply from RIPA. Medical records, CT scans, and angiograms in 20 patients with HCC fed by RIPA were reviewed. Forty-two patients with HCC but without parasitic supply were enrolled as the control group. After injection of contrast medium (300 mg I/mL) at a rate of 3 mL/s (total amount, 100 mL), CT images were obtained at 30 seconds, 60 seconds, and 150 seconds with scanning parameters of 7-mm collimation, 1:1 pitch, and 3.5-mm reconstruction. Two radiologists evaluated the previous treatment, patency of the hepatic arteries, location of tumors, and detectability and diameter of the RIPA. CT demonstrated at least one portion of RIPA in all patients in both groups. The distal portions of RIPA were detected on CT more frequently in the parasitic group (75%) than in the control group (...Continue Reading

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Citations

Apr 16, 2009·Surgical and Radiologic Anatomy : SRA·Nilgun Isiksalan OzbulbulTulay Olcer
Feb 11, 2009·Journal of Computer Assisted Tomography·Masashi HiedaKatsuhide Ito
Sep 23, 2009·AJR. American Journal of Roentgenology·Hyo-Cheol KimJae Hyung Park
Jan 12, 2008·Nihon Hoshasen Gijutsu Gakkai zasshi·Yusuke OkumuraShiro Takahashi
May 15, 2007·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Dong Il GwonHo Kyun Kim
Oct 18, 2005·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Hyo-Cheol KimJae Hyung Park
Jul 9, 2005·Journal of Vascular and Interventional Radiology : JVIR·David M LiuChing-yee O Wong
Sep 27, 2008·Journal of Vascular and Interventional Radiology : JVIR·Hyo-Cheol KimJae Hyung Park
Aug 12, 2008·Journal of Vascular and Interventional Radiology : JVIR·Hyo-Cheol KimJae Hyung Park
Apr 1, 2017·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Amr Soliman MoustafaSouheil Saddekni

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