PMC6358572_01
Lower gastrointestinal endoscopy showing a spherical submucosal tumor in the terminal ileum.
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F1
It revealed a submucosal tumor (20 mm) at the terminal ileum (Figure 1).
Endoscopic ultrasound revealing granular calcification in the tumor (arrows).
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F2
Endoscopic ultrasonography (EUS) showed foci of calcification in the tumor (Figure 2).
Cut surface of the surgical specimen showing an off-white submucosal tumor.
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F3
The re-sected tumor was elastic and well-circumscribed, and its cut surface was off-white in color (Figure 3).
Microscopic slide (hematoxylin and eosin) showing that the tumor consisted mainly of abundant hyalinized collagen and contains calcified granules (arrows).
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F4
Histologically, it consisted a combination of abundant hyalinized collagen and sparse spindle cells (Figure 4).