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  • Title: Transarterial chemoembolization of a colic branch of the superior mesenteric artery in patients with unresectable hepatocellular carcinoma.
    Author: Kim HC, Chung JW, An S, Seong NJ, Son KR, Jae HJ, Park JH.
    Journal: J Vasc Interv Radiol; 2011 Jan; 22(1):47-54. PubMed ID: 21195900.
    Abstract:
    PURPOSE: To evaluate the technical feasibility, safety, and imaging response of transarterial chemoembolization performed through a colic branch of the superior mesenteric artery (SMA) in patients with hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Between July 2000 and June 2009, we observed tumor staining supplied by a colic branch of the SMA in 61 of 5,095 patients (1.2%) with HCC. Computed tomography (CT) scans and digital subtraction angiograms of these patients were retrospectively reviewed by two investigators in consensus to evaluate the tumor location, the technical success of chemoembolization, complications, and imaging response on a follow-up CT scan according to European Association for the Study of the Liver criteria. RESULTS: Tumors supplied by a colic branch of the SMA were located in segment VI (n = 58) or were extrahepatic metastases caused by peritoneal seeding (n = 3). Vessels supplying the tumor arose from the right colic artery (n = 23), middle colic artery (n = 22), or ileocolic artery (n = 26). Selective chemoembolization via a colic branch of the SMA was performed in 24 patients (39%). No patient developed symptoms related to colon ischemia. Complete response or partial response of the tumor fed by a colic branch of the SMA as depicted on follow-up CT was achieved in eight patients (33%). CONCLUSIONS: Chemoembolization via a colic branch of the SMA can be safely performed if the microcatheter can be advanced beyond the antimesenteric border of the colon.
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