PMC5482911_01
Capsule endoscopy of the small intestine demonstrating (A) a mass and (B) blood.
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F1
Capsule endoscopy revealed a bleeding mass in the jejunum (Figure 1).
Enteroscopy demonstrating a 3-cm mass occupying <25% of the circumference of distal jejunal crest without oozing blood or surrounding venous dilatation.
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F2
A single-balloon enteroscopy revealed a friable mass 3 cm in diameter, which occupied <25% of the circumference of the distal jejunal crest (Figure 2).
Hematoxylin and eosin stain of the resected specimen. (A) High-power magnification demonstrating a cluster of abnormally dilated, tortious blood vessels with thin walls and ectatic vasculature. (B) Low-power magnification demonstrating that these ectatic vessels are predominantly located in submucosa.
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F3
Microscopic examination confirmed that the lesion consisted of thin-walled, dilated blood vessels of various sizes, predominantly located within the submucosa (Figure 3).