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Table 3 Prevalence of Extrahepatic RIPA feeder according to tumor characteristics and chemoembolization session

From: Right inferior phrenic artery; Don't miss on MDCT before chemoembolization of hepatic dome HCC

ParametersNo and % in relation to the 33 cases with RIPA% in relation to the total 58 HCC cases
Tumor size
• < 5 cm0 (0)0
• 5–10 cm29 (87.9)50
• ≥ 10 cm4 (12.1)6.9
Tumor growth pattern
• Exophytic19 (57.6)32.8
• Non-exophytic14 (42.4)24.1
Chemoembolization session
• Single11 (33.3)18.9
• Repeated22 (66.7)37.9
  1. Percentages/RIPA cases in parentheses