case_images: PMC11403761_01
case_images: Gastroscopy findings on Day 0 for hematemesis scrutiny. (a) Abdominal esophagus. (b) Gastric fontanel and residue in the stomach. (c) Anastomotic ulcer of the stomach. (d) Anastomotic ulcer after hemostasis.
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case_images: Emergency esophagogastroduodenoscopy revealed an anastomotic ulcer with active bleeding, and endoscopic hemostasis was achieved using endoscopic forceps (Figure 1). A small amount of residue was observed (Figure 1b); however, no gastroliths were found later.
case_images: Gastroscopy findings on Days 8 and 9: Discovery of gastroliths. (a) Gastrolith (distant view image). (b) Gastrolith (close-up image). (c) Images of gastrolith removal. (d) Image of anastomotic ulcer after gastric stone removal.
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case_images: A large gastrolith (>50 mm) was observed on the distal side of the remnant stomach (Figure 2a and b). On Day 9, another endoscopy was performed, and the gastrolith was crushed using a snare and collected through the mouth (Figure 2c,d).
case_images: Gastroscopy findings 1 month after discharge. (a) Gastric body. (b) Gastric vault. (c) Postoperative anastomosis of the stomach. (d) Gastric hilum.
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case_images: The patient was discharged on Day 12 without any epigastric symptoms or anorexia and underwent upper follow-up gastrointestinal endoscopies at 1 and 6 months after discharge (Figure 3).
case_images: Component analysis of removed gastroliths.
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case_images: Compositional analysis of the excised gastroliths revealed tannic acid as the major component (Figure 4).