Is it possible to differentiate gastric GISTs from gastric leiomyomas by EUS?

Table 2 Baseline characteristics and EUS features of the patients with leiomyomas and GISTs of the stomach n (%)

Variables	Leiomyomas (n = 7)	GISTs (n = 46)	P-value
Gender			0.686
Male	2 (28.6)	20 (43.5)
Female	5 (71.4)	26 (56.5)
Age (yr, mean ± SD)	52.6 ± 13.5	57.5 ± 8.4	0.193
Location			0.272
Upper	6 (85.7)	29 (63.0)
Middle	0 (0)	13 (28.3)
Lower	1 (14.3)	4 (8.7)
Originating layer			0.644
Second layer	0	1 (2.2)
Third layer	2 (28.6)	7 (15.2)
Fourth layer	5 (71.4)	38 (82.6)
Size (cm, mean ± SD)	3.6 ± 2.6	3.5 ± 2.3	0.967
Ulcer			0.172
Absent	7 (100)	31 (67.4)
Present	0 (0)	15 (32.6)
Growth			0.660
In	6 (85.7)	33 (71.7)
Out	1 (14.3)	13 (28.3)
Border			0.082
Regular	7 (100)	29 (63.0)
Irregular	0 (0)	17 (37.0)
Lobulation			0.426
Absent	5 (71.4)	23 (50.0)
Present	2 (28.6)	23 (50.0)
Marginal halo			0.002
Absent	6 (85.7)	10 (21.7)
Present	1 (14.3)	36 (78.3)
Echogenicity in comparison with the surrounding muscle echo			0.004
Isoechoic	7 (100)	19 (41.3)
Hyperechoic	0 (0)	27 (58.7)
Homogeneity			0.001
Homogenous	6 (85.7)	9 (19.6)
Inhomogenous	1 (14.3)	37 (80.4)
Cystic change			0.661
Absent	6 (85.7)	31 (67.4)
Present	1 (14.3)	15 (32.6)
Hyperechogenic spots			0.012
Absent	4 (57.1)	5 (10.9)
Present	3 (42.9)	41 (89.1)
Calcification			1.000
Absent	6 (85.7)	39 (84.8)
Present	1 (14.3)	7 (15.2)