A giant and extensive solitary Peutz–Jeghers-type polyp in the antrum of stomach: Case report

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Rationale:A solitary Peutz–Jeghers-type polyp is a hamartomatous polyp which without either mucocutaneous pigmentation or a family history of Peutz–Jeghers syndrome (PJS). It can occur in all of the gastrointestinal tract, but it is extremely rare in the stomach.Patient concerns:A 53-year-old man was admitted to the local hospital with left upper abdominal pain lasting 2 weeks. A gastroscopy showed a giant and extensive bulging lesion on the greater curvature and posterior and anterior walls of the gastric antrum, involving three-quarters of the gastric wall. Endoscopic ultrasonography showed a muscularis mucosa lesion.Diagnoses:A solitary Peutz–Jeghers-type polyp in the antrum of stomach.Interventions:The patient underwent an endoscopic submucosal dissection (ESD).Outcomes:The patient recovered quickly, without any complications.Lessons:This is the second largest gastric solitary Peutz–Jeghers-polyp reported until now, and the largest gastric solitary Peutz–Jeghers type-polyp treated by endoscope.

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