Endoscopic ultrasound features of gastric schwannomas with radiological correlation: A case series report

Table 3 Endoscopic ultrasound for differential diagnosis of gastric schwannomas versus gastric gastrointestinal stromal tumors

	Gastric schwannomas	Low-risk GIST	High-risk GIST
Echogenicity	Heterogeneous and hypoechoic, but slightly higher than that of muscularis propria	Homogeneous and hypoechoic	Heterogeneous and hypoechoic
Halo	Frequent	Uncertain	Uncertain
Growth	In < out (mostly)	In ≥ out (mostly)	Variety
Margin	Regular	Regular	Irregular
Lobulation	Rare	Uncommon	Common
High echo spot	Common	Occasional	Common
Cyst	Very rare	Frequent	Very frequent
Calcification	Scarce	Occasional	Occasional

GIST: Gastrointestinal stromal tumors.