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目的：探讨640 层CT 对肝癌碘油栓塞沉积不良患者治疗方案的临床指导。方法：21 例富血供肝癌碘油动脉栓塞后，复查肝脏CT 病灶内碘油沉积不良患者，用640 层螺旋CT 行CT 灌注成像、CT 动脉成像检查。结果：21 例碘油沉积不良病灶内仍有动脉血供18 例，坏死3 例，18 例有动脉血供病灶由肝动脉供血6 例，膈下动脉供血3 例，肠系膜上动脉供血4 例，右侧副肾动脉供血1 例，胃左动脉供血2 例，右肾动脉供血2 例。结论：640 层螺旋CT 灌注成像、CT 动脉成像，可以准确显示肿瘤病灶碘油栓塞后肿瘤的残留与坏死，特别能精确判断肿瘤病灶血供起源情况，对再次介入治疗具有重要价值。

英文摘要:

Objective: To study the clinical guidance of CT 640 layer in treating liver cancer patients with bad iodine oil sedimentary embolism. Methods: 21 patients with rich blood for liver cancer iodine oil artery embolization, and bad iodine oil sedimentation in liver lesions at CT reexamination, suffered with 640-slice CT perfusion imaging and CT artery imaging examination. Results: Among the 21 patients, 3 cases had necrosis, and 18 cases still had arterial blood supply in bad lesions , including six cases of hepatic artery blood supply, three cases of diaphragmatic artery blood supply and 4 cases of superior mesenteric artery blood supply, one case of right Accessory renal artery blood supply, two cases of left gastric artery blood supply, and two cases of right renal artery blood supply. Conclusion: 640-slice CT perfusion imaging and CT artery imaging can show precisely tumor remains and necrosis after lesion iodine oil embolism, specially accurate blood supply sources for tumor lesion. So it had important value in once more intervention treatment.

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