Table 1

Number of cases showing qualitative features at B-mode ultrasound: cytopathology classification

EchogenicityAspectDiffusion
IsoechoicHypoechoicHyperechoicMixedSolidCysticFocalDiffuse
Cytological diagnosis
BDA001641010200
BDC0547106142
HCC00084435
P value<0.0010.725<0.001
  • BDA, bile duct adenoma; BDC, bile duct carcinoma; HCC, hepatocellular carcinoma.