Contrast-enhanced endoscopic ultrasonography

Table 2 Indications for the use of contrast agents during endoscopic ultrasonography

Study	Indication	Agent used
Hocke et al[6]	Differentiating benign from malignant lymph nodes	SonoVue
Kanamori et al[22]		Levovist
Nomura et al[8]	Assessment of depth of invasion of esophageal cancer	Air-filled Albumin
Nomura et al[8]	Assessment of depth of invasion of gastric cancer	Air-filled Albumin
Itoh et al[28]	Differentiating benign from malignant intraductal papillary mucinous tumors of the pancreas	Levovist
Hirooka et al[5]	Gallbladder diseases	Albunex
Ueno et al[34]	Diagnosing Islet cell tumors	Levovist
Sakamoto et al[40]	Determining origin of solid pancreatic masses	Levovist with suspension of monosaccharide microparticles
Hirooka et al[24]		Albunex
Dietrich et al[2]		Levovist
Sofuni et al[41]		Levovist
Becker et al[33]	Discriminating between mass forming pancreatitis and pancreatic cancer	Optison
Hocke et al[6]		SonoVue
D’Onofrio et al[31]		SonoVue
Hyodo et al[26]	Diagnosing cause of chronic pancreatitis/mass forming pancreatitis (autoimmune pancreatitis)	Levovist
D’Onofrio et al[31]		SonoVue
Zhu et al[30]		SonoVue
Kasono et al[7]	Localizing small insulinomas	Levovist