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 3. Immunohistochemical staining showing positive AE1/AE3, CK7, and vimentin; positive CK19 (in some cells); and negative HepPar1, Arginase-1, and Glypican3.