Planning Ultrasound for Percutaneous Radiofrequency Ablation to Treat Small (≤ 3 cm) Hepatocellular Carcinomas Detected on Computed Tomography or Magnetic Resonance Imaging: A Multicenter Prospective Study to Assess Factors Affecting Ultrasound Visibility
Journal of Vascular and Interventional Radiology, 05/09/2012
Clinical Article
Kim PN et al. – Smaller tumors, subphrenic location of the tumor, liver cirrhosis, and macronodular cirrhosis were independent predictors of invisible tumors on planning ultrasound (US).



