17 May 2023
: Case report 
Rapidly Progressing Sarcomatoid Hepatocellular Carcinoma after Needle Biopsy and Radiofrequency Ablation
Unusual clinical course, Rare disease
Masamichi Kimura
1ABCDEF*, Ryo Matsuoka1B, Koji Nishikawa1CD, Jun Imamura1CD, Kiminori Kimura 1DG
DOI: 10.12659/AJCR.939126
Am J Case Rep 2023; 24:e939126
Figure 1. Contrast-enhanced computed tomography (CT) 4 years before radiofrequency ablation (RFA), showing a tumor (red arrow) in the liver S8 (A) enhancement in the early phase and (B) washout in the late phase. (C, D) Contrast-enhanced CT showing nodules (red arrow) inside the low-absorption zone of the previously treated area of RFA.