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北里大学内科教研室研制出的一种用于测定消化性溃疡面积的简单而准确的方法“圆板法内窥镜面积测定法”受到重视。据说使用该法测定溃疡面积误差率仅3%。除消化性溃疡外,还可用于息肉与癌的面积测定。这个面积测定法的要点:预先准备好在内窥镜下以2.5mm的距离拍摄每边2.5mm的方格纸胶片。面积测定法的操作过程是,①用钳子将直径5mm的橡胶圆板置于溃疡等的中心部,在内窥镜下拍摄;②装胶片使之与预先准备好的方格纸摄影胶片吻合;③然后挑选圆板外缘与方格纸的4格相一致的方格纸胶片
A simple and accurate method developed for the determination of the area of peptic ulcer developed by the Department of Internal Medicine of Beili University has been paid attention to. It is said that the use of the method of determination of ulcer area error rate of only 3%. In addition to peptic ulcer, but also for polyps and cancer area determination. Essentials of this area determination method: Prepare in advance a square-shaped piece of 2.5mm square paper at a distance of 2.5mm under the endoscope. Area measurement method is the operation process, ① the use of pliers 5mm diameter rubber disc placed in the center of ulcers, etc., taken under endoscopy; ② loaded film so that it is consistent with the prepared square graphographic film; ③ Then select the outer edge of the circular grid paper and cell 4 cells consistent square paper