Koizumi J, Kurata T, Yamashita T, Kominami M, Fujiwara H, Narimatsu Y, Hiramatsu K
Department of Diagnostic Radiology, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan.
Abdom Imaging. 2000 Nov-Dec;25(6):583-6.
Computed tomography during arterial portography (CTAP) under temporary balloon occlusion of the hepatic artery (BOHA-CTAP) was introduced to evaluate pseudolesions caused by portal venous impairments such as arterioportal shunt and tumor thrombus.
BOHA-CTAP was performed in seven patients with hepatocellular carcinoma and correlated with clinical outcomes. For patients with wedge-shaped defects suggestive of pseudolesions, BOHA-CTAP was obtained by a 5-F balloon occlusion catheter into the proper hepatic artery through the second 5-F introducer inserted into the common femoral artery a few centimeters below the first 5-F sheath for CTAP.
Eight pseudolesions were determined clinically on follow-up CT, ultrasonography, or magnetic resonance imagings. On BOHA-CTAP, five of the eight pseudolesions were eliminated, and two were diminished in comparision with conventional CTAP. One wedge-shaped defect due to tumor thrombus in the portal vein did not show any change.
BOHA-CTAP can reduce pseudolesions caused by portal venous impairments and enable the demarcation of the true tumors.
肝动脉临时球囊阻断下的动脉性门静脉造影CT（BOHA - CTAP）被用于评估由门静脉损伤如动静脉分流和肿瘤血栓引起的假病灶。
对7例肝细胞癌患者进行了BOHA - CTAP检查，并与临床结果相关联。对于有提示假病灶的楔形缺损的患者，通过将一根5F球囊阻断导管经插入股总动脉且位于用于CTAP的第一根5F鞘管下方几厘米处的第二根5F导管鞘插入肝固有动脉来进行BOHA - CTAP检查。
在随访CT、超声或磁共振成像中临床确定了8例假病灶。在BOHA - CTAP检查中，8例假病灶中的5个被消除，与传统CTAP相比，2个缩小。1个因门静脉肿瘤血栓导致的楔形缺损未显示任何变化。
BOHA - CTAP可以减少由门静脉损伤引起的假病灶，并能够界定真正的肿瘤。
