Role of endoscopic miniprobe ultrasonography in diagnosis of submucosal tumor of large intestine

Table 1 EUS characteristics of SMT of the large intestine

Diagnosis (No.of patients)	EUS findings
	Size (mm)	Shape	Border	Layer of origin	Echogenicity	Internal echo
Lipoma (n = 12)	15 ± 3.1	Round	Regular	Third	Hyperechoic	Homogeneous
Leiomyoma (n = 8)	17 ± 4.3	Round	Regular	Fourth	Hypoechoic	Homogeneous
Lymphangioma (n = 6)	14 ± 2.3	Round	Regular	Third	Anechoic	Multilocular
Leiomyosarcoma (n = 2)	38 ± 2.8	Round Lobulated	Regular	Fourth	Hypoechoic	Inhomogeneous
Carcinoid (n = 3)	14 ± 4.2	Round	Regular	Third	Hypoechoic	Homogeneous
Malignant lymphoma (n = 2)		Irregular	Irregular	Second to fourth	Hypoechoic	Inhomogeneous
Pneumatosis cystoid intestinalis (n = 2)	17 ± 3.6	Irregular	Irregular	Third	Hypoechoic	Inhomogeneous

^aP < 0.05 vs leiomyoma.