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. 2020 Nov 17;14:5029–5041. doi: 10.2147/DDDT.S266470

Table 3.

Angiographic Findings During TACE

Parameters Percentage
Number of EHC arteries supplied the HCCs
 Only one vessel 65 (91.6%)
 Two vessels 6 (8.4%)
Type of EHC arteries
 Inferior phrenic artery 57 (80.3%)
 Lumbar artery 8 (10.4%)
 Gastroduodenal artery 4 (5.2%)
 Superior mesentery artery 3 (3.9%)
 Others 5 (7.8%)
Coexistence of blood supply from hepatic arteries
 Yes 32 (45.1%)
 No 39 (54.9%)
Detection of EHC blood supply on HCCs

  1. Suspicion of EHC blood supply on HCCs before TACE

 23 (32.5%)

  1. Large-size HCCs

 10 (14.1%)

  1. Suspected EHC blood supply based on CT/MRIs

 7 (9.9%)

  1. Suspected EHC blood supply by prior TACEs

 6 (8.5%)

  1. Evidence of EHC blood supply on DSA

 36 (50.4%)

  1. No or incomplete tumor stain of hepatic arteries on DSA

 22 (31.4%)

  1. Tumor stain of RIPA on DSA

 12 (17.1%)

  1. SMA shows evidence of EHC blood supply

 2 (1.9%)

  1. Evidence of EHC blood supply on additional CBCT images

 12 (17.1%)

Abbreviations: CBCT, cone-beam computed tomography; CT, computed tomography; DSA, digital subtraction angiography; EHC, extrahepatic collateral; HCC, hepatocellular carcinoma; MRI, magnetic resonance imaging; RIPA, right inferior phrenic artery; TACE, transarterial chemoembolization; SMA, superior mesenteric artery.