Recurrent Gastric Dysplasia - Detection and Diagnosis with TXI, NBI and Magnification

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2024-1-22 17:54

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Prof. Yip Hon Chi, Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong This case demonstrated the utility of the new image processing system in endoscopic diagnosis of early gastric cancer. The patient had a previous early gastric cancer with ESD before. During diagnostic WLI, the ESD scar could be visualized vaguely at the antrum, and a slightly erythematous area was seen proximal to the lesion. Using the TXI mode, the corresponding lesion was greatly enhanced with identification of a clearly demarcated and elevated lesion with irregular colour and morphology. Under NBI with magnification, the lesion margin was assessed clearly with demarcation line and irregular microsurface and microvascular pattern. Based on endoscopic criteria, early recurrent cancer of stomach is highly suspicious, which was subsequently confirmed on biopsy and repeated curative ESD was performed. Scope: GIF-XZ1200 Case: Recurrent gastric dysplasia Organ: Gastric antrum Patient information: F, 75 Medical history: Gastric antral intramucosal adenocarcinoma with curative ESD 16 years ago. Underlying Immune Thrombocytopenia Purpura on steroid (Platelet count ~70 x 109L)

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