Superficial esophageal lesions detected by endoscopic ultrasound enhanced with submucosal edema

Table 1 Identification of esophageal lesions with different depths was consistent between the endoscopic ultrasonography findings and pathology results

	Tissue echogenicity					Echogenicity of submucosal edema
	Echoic belts of esophagus	Echo strength of lesion	Involved layers	Homogeneity of lesion	Boundary among layers	Submucosal edema belt	Front edge of edema belt	Width of edema belt
EUS findings	H-L-H	/	/	/	Clear	/	/	/
Normal mucosa
Superficial mucosa	H-L-H	H	1st	Homogeneous	Clear	YES	Smooth	Wide
Deep mucosa	H-L-H	H	1st	Homogeneous	Clear	YES	Less Smooth	Middle
Submucosa	M-L-H	M	1st	Heterogeneous	Clear	YES	Unsmooth	Narrow
Muscularis propria	L- H	L	1st-2nd	Chaotic	Dim	None	None	None
Pathology results
Normal	Mu/SM-MS -AD	/	/	/	Clear	/	/	/
Superficial mucosa	Mu/SM-MS -AD	Mu	MU	Homogeneous	Clear	Yes	Smooth	Wide
Deep mucosa	Mu/SM-MS -AD	Mu	MU	Homogeneous	Clear	Yes	Less smooth	Middle
Submucosa	SM-MS -AD	SM	Mu-SM	Heterogeneous	Clear	Yes	Unsmooth	Narrow
Muscularis propria	MS-AD	MS	MU-SM-MS	Chaotic	Dim	None	None	None

MU: Mucosa; SM: Submucosa; MS: Muscularis propria; AD: Adventitia; H: High echogenicity; L: Low echogenicity; M: Middle echogenicity.