PMC3292804_01
Upper gastrointestinal endoscopy showing a protruding lesion at the lesser curvature of the gastric body.
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F1
Upper gastrointestinal endoscopy revealed a distinctly protruding lesion (diameter: 5 cm) at the lesser curvature of the middle third of the gastric body (Figure 1).
Abdominal computed tomography showing a thickened posterior wall of the gastric body. No evidence of lymph node swelling or a metastatic liver tumor is observed.
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F2
Abdominal computed tomography (CT) revealed a thickened posterior wall of the gastric body (Figure 2).
Macroscopic findings of the resected specimens. The elevated lesion approximately 6 x 5 cm in diameter is located at the lesser curvature of the gastric body.
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F3
Macroscopically, the elevated lesion was approximately 6 x 5 cm in diameter and located at the lesser curvature of the gastric body (Figure 3).
Microscopic findings of the resected and hematoxylin and eosin-stained specimen showing a spindle cell neoplasm arranged in a palisade manner.
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F4
Microscopic examination of the resected and H&E-stained specimens showed a spindle cell neoplasm arranged in a palisade manner that was consistent with a schwannoma (Figure 4).
Immunohistochemical analysis showing that the tumor cells were positive for S-100 protein (A), and negative for c-Kit (B) and smooth muscle actin.
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F5
Immunohistochemistry revealed that the tumor cells were positive for S-100 protein and negative for c-kit and smooth muscle actin (Figure 5A,B).
Abdominal computed tomography three months after surgery showed multiple metastatic lesions in the liver and ascites.
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F6
However, abdominal CT performed three months after surgery revealed multiple liver metastases and ascites (Figure 6)..