A 36 year-old man was admitted for dysphagia, food impaction and heartburn. About 10 years ago he had clinical signs of frequent gastrooesophageal reflux, but no treatment was applied and contrast X-ray showed no pathological malformation.
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A slightly-elevated flat lesion (Paris 0-IIa) was found in the middle of a Barrett’s oesophagus. LCI allowed easier detection of the lesion which consisted in several nodules with an irregular vascular pattern. The final histology was high-grade dysplasia with p53 overexpression.
An 80-year old man was referred for endoscopic mucosal resection of a 10 cm rectal adenoma. His main symptom was debilitating mucous discharge and diarrhoea. He had multiple cardiac co-morbidities that prevented curative surgical resection. The endoscopic assessment was performed to exclude foci of cancer.
Recognising a sessile serrated lesion using the WASP-criteria in a patient with serrated polyposis syndrome
71-year old woman with serrated polyposis syndrome.
The American Society for Gastrointestinal Endoscopy (ASGE) has proposed the PIVI statements in order to leave diminutive colorectal polyps in place without resection or to resect the lesions without subsequent histopathological diagnosis1. The basis of the PIVI statement is an adequate optical in vivo diagnosis of colorectal polyps2,3.