Fig. 4.
Imaging and histopathological features of intrahepatic cholangiocarcinoma. a Target lesion on T1w image (venous phase). b CT-guided biopsy image with documentation of needle position within the target lesion. c ADC image of the target lesion with the cylindrical region of interest corresponding with the needle position on CT biopsy images. The estimated mean ADC value is 0.84 × 10–3 mm.2/s. d H&E-stained image. Cell count is 272. TSR is 54%. e MIB-stained image. Ki 67 index is 35%. f CD 45 stained image. The mean number of CD 45 positive cells is 3