Fig. 3

Echo heterogeneity patterns of gastric gastrointestinal stromal tumor and leiomyomas. A: Gastric leiomyomas with homogeneous echo; B: Gastrointestinal stromal tumor (GIST) with homogeneous echo; C: GIST with hyperechogenic spots; D: GIST with marginal halo; E: GIST with cystic change; F: GIST with hyperechogenic spots and marginal halo; G: GIST with hyperechogenic spots and cystic change; H: GIST with marginal halo and cystic change; I: GIST with hyperechogenic spots, marginal halo, and cystic change