case_images: PMC3337595_01
case_images: CT scan showing the lesion in the posterior wall of stomach (arrow).
case_images: CRIM2012-374070.001.jpg
case_images: PMC3337595_01_CRIM2012-374070.001.jpg
case_images: fig1
case_images: However, the CT scan (Figure 1) revealed that the lesion was arising from the posterior wall of the stomach.
case_images: Endoscopic image of the submucosal lesion in the posterior wall of the gastric body.
case_images: CRIM2012-374070.002.jpg
case_images: PMC3337595_01_CRIM2012-374070.002.jpg
case_images: fig2
case_images: (H-E, 40x): Lobular and solid tumor infiltrating the muscular layer of gastric wall.
case_images: CRIM2012-374070.003.jpg
case_images: PMC3337595_01_CRIM2012-374070.003.jpg
case_images: fig3
case_images: Histologically, the tumor was composed of round and spindle-shaped myofibroblastic cells, diffusely scattered inflammatory cells, and many vascular structures (Figures 3 and 4).
case_images: (H-E, 200x): Solid tumor cytologically composed of a compact proliferation of spindle cells arranged in a fascicular growth pattern.
case_images: CRIM2012-374070.004.jpg
case_images: PMC3337595_01_CRIM2012-374070.004.jpg
case_images: fig4
case_images: Histologically, the tumor was composed of round and spindle-shaped myofibroblastic cells, diffusely scattered inflammatory cells, and many vascular structures (Figures 3 and 4).
case_images: (ALK-1, 200x): Positive stain for ALK protein at immunnohistochemistry.
case_images: CRIM2012-374070.005.jpg
case_images: PMC3337595_01_CRIM2012-374070.005.jpg
case_images: fig5
case_images: The tumor cells showed positive immunoreactivity for vimentin and anaplastic lymphoma kinase (ALK), while being negative for c-kit, CD34, desmin, smooth muscle actin (SMA), and S-100 (Figure 5).