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Background Endoscopic findings have traditionally been evaluated on the basis of differences in color and changes in surface structure. We examined whether microvascular patterns on magnifying endoscopy could be used to diagnose benign and malignant superficial esophageal lesions and to estimate the depth of tumor invasion. Methods Magnifying endoscopic findings were compared with histopathological...
Magnifying endoscopy with dye or acetic acid is useful for evaluating mucosal surface patterns in patients with Barrett's epithelium. Barrett's epithelium can be diagnosed on the basis of the presence of translucent longitudinal vessels. Specialized intestinal metaplasia frequently occurs in villous- or gyrus-type mucosa. Superficial Barrett's adenocarcinoma is associated with irregularities or destruction...
An 82-year-old woman presented for a periodic endoscopic examination after radiotherapy and endoscopic mucosal resection (EMR) of a cancer in the esophagus. Conventional endoscopy demonstrated a tiny, flat, reddish lesion about 1 mm in diameter proximal to the scar of the previous esophageal EMR. Observation after iodine staining showed an apparent unstained area in the lesion. Magnifying observation...
Predicting invasion depth of superficial esophageal squamous cell carcinoma is crucial in determining the precise indication for endoscopic resection because the rate of lymph node metastasis increases in proportion to the invasion depth of the carcinoma. Previous studies have shown a close relationship between microvascular patterns observed by Narrow Band Imaging magnifying endoscopy and invasion...
Purpose The aim was to investigate the current status of esophageal endoscopy, including the evaluation of smoking and alcohol consumption, in Japan. Methods A total of 47,441 patients who underwent 69,748 sessions of esophageal endoscopy were registered in the Japan Endoscopy Database between January 2015 and March 2017. The study variables were as follows: (1) methods for monitoring the esophagus...
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