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case_images: Physical examination of Case 1: Multiple irregular blue-black macules or papules can be seen on her trunk, upper limbs, buttocks, and planta.
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case_images: These lesions and bumps, with the diameters from 0.3 to 0.6 cm, were easily compressible and could be refilled promptly when the pressure was released (Figure 1).
case_images: EGD of Case 1: Multiple bluish hemispherical vascular lesions were observed within the gastric fundus, gastric body, gastric antrum, duodenal bulb, and descending part of duodenum.. EGD: esophagogastroduodenoscopy.
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case_images: The esophagogastroduodenoscopy (EGD) revealed multiple bluish vascular lesions within the gastric fundus, gastric body, gastric antrum, duodenal bulb, and descending part of the duodenum (Figure 2).
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case_images: Physical examination of Case 2: A cyanotic elevated soft vascular lesion was present on the lower lip, and multiple darkcyan masses were observed on the back of the neck, cranium, and upper limbs.
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case_images: There were no ulcers on these lesions (Figure 3).
case_images: Colonoscopy of Case 2: Dozens of violaceous masses were detected in the colon and rectum.
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case_images: The colonoscopy detected dozens of violaceous masses spreading along the colon and rectum (Figure 4).
case_images: Video capsule endoscopy of Case 2: Multiple dark red masses were observed in the jejunum and ileum.
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case_images: In addition, the video capsule endoscopy also revealed multiple dark red masses located in the jejunum and ileum (Figure 5).