A 14-year-old boy came to the children's ENT department with complaints of absence nasal breathing on right side and sharp difficulty in opposite side. During pharyngoscopy, a neoplasm pale pink colour was visible, elastic, without signs bumpiness, which continued middle oropharynx. This clinical case shows that an antrochoanal polyp this size is exception paediatric practice. surgical interven...

Gastric hyperplastic polyps are generally considered benign lesions, although rare cases of adenocarcinoma have been reported. Two cases of intramucosal adenocarcinoma originating from gastric hyperplastic polyps that were successfully removed by endoscopic mucosal resection or endoscopic submucosal dissection are reported. On pathological examination, adenocarcinoma limited to the hyperplastic...

A 56-year-old man with gastroesophageal reflux disease (GERD) was referred to our hospital. Esophagogastroduodenoscopy (EGD) revealed no evidence of any polypoid lesions in the stomach, and the patient had no history of Helicobacter pylori infection. He received omeprazole (20 mg) once daily for the GERD. EGD was performed at 1 year after the start of omeprazole administration, and this time, g...