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Table 1 Characteristics on US between HAE and ICC

From: Differential diagnosis between hepatic alveolar echinococcosis and intrahepatic cholangiocarcinoma with conventional ultrasound and contrast-enhanced ultrasound

Imaging Features on US Total(n = 120) P*
HAE
(n = 60)
ICC
(n = 60)
Conventional US
Location 0.002
  Right lobe 50 (83.3) 33 (55.0)  
  Left lobe 10 (16.7) 27 (45.0)  
Lesion size 0.851
   ≤ 5.0 cm 22 (36.7) 24 (40.0)  
   > 5.0 cm 38 (63.3) 36 (60.0)  
Echogenicity 0.000
  Hyper or Iso 10 (16.7) 7 (11.6)  
  Mixed 43 (71.7) 19 (31.7)  
  Hypo 7 (11.6) 34 (56.7)  
Margin 1.000
  Clear 28 (46.7) 28 (46.7)  
  Unclear 32 (53.3) 32 (53.3)  
  Bile duct dilatation 2 (3.3) 21 (35.0) 0.000
  Pseudocystic appearance 14 (23.3) 1 (1.7) 0.000
  Calcification 29 (48.3) 0 (0) 0.000
CEUS
Arterial phase 0.008
  Hyper- 39 (65.0) 50 (83.3)  
  Iso- 10 (16.7) 9 (15.0)  
  Hypo- or Non- 11 (18.3) 1 (1.7)  
Enhancement pattern 0.000
 Regular rim 53 (88.3) 6 (10.0)  
  Irregular rim 6 (10.0) 29 (48.4)  
  Heterogeneous 1 (1.7) 14 (23.3)  
  Homogeneous 0 (0) 11 (18.3)  
Portal phase 0.000
  Hyper- 1 (1.7) 0 (0)  
  Iso- 19 (31.6) 1 (1.7)  
  Hypo- or Non- 40 (66.7) 59 (98.3)  
Late phase 0.000
  Hyper- 1 (1.7) 0 (0)  
  Iso- 16 (26.6) 1 (1.7)  
  Hypo- or Non- 43 (71.7) 59 (98.3)  
  Enhancement duration# 201.7 ± 146.4 33.5 ± 59.5 0.000
  Marked wash-out 15 (25.0) 44 (73.3) 0.000
  1. Note.---Unless otherwise indicated, data are number of nodules, with percentages in parentheses
  2. *Statistical analysis using χ2 or Fisher’s exact test demonstrate differences between HAE and ICC
  3. # Data are means± standard deviations
  4. HAE Hepatic alveolar echinococcosis; ICC Intrahepatic cholangiocarcinoma; US Ultrasound; CEUS Contrast enhanced ultrasound