Review
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 28, 2015; 21(16): 4809-4816
Published online Apr 28, 2015. doi: 10.3748/wjg.v21.i16.4809
Figure 1
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Figure 1 A patient with a malignant pancreatic tumor. The elastography image in the left panel shows a homogeneous blue mass (red circle). The B-mode reference image is shown in the right panel (Popescu et al[4]).
Figure 2
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Figure 2 A patient with chronic pancreatitis. The elastography image in the left panel shows a heterogeneous green mass (red circle). The B-mode reference image is shown in the right panel (Popescu et al[4]).
Figure 3
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Figure 3 Typical contrast-enhanced harmonic endoscopic ultrasound images of pancreatic tumors. A: Pancreatic carcinoma with hypoenhancement. Conventional EUS (left) shows a hypoechoic mass at the pancreas tail. Contrast-enhanced harmonic endoscopic ultrasound (CH-EUS) (right) indicates that the mass has hypoenhancement compared with the surrounding tissue; B: Chronic pancreatitis with isoenhancement. Conventional EUS (left) shows a hypoechoic mass at the pancreas body. CH-EUS (right) indicates homogeneous enhancement mass similar to the surrounding tissue; a margin is not observed; C: Neuroendocrine tumor with hyperenhancement. Conventional EUS (left) shows a hypoechoic mass at the pancreas body. CH-EUS (right) indicates that enhancement in the mass is higher than in the surrounding tissue (Kwek et al[65]).