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- 请会诊，结肠粘膜－－管状腺瘤伴假浸润
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yanghuaijun 离线
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By definition, tubular adenoma consists of glandular epithelia with low grade dysplasia. It is, however, important to look for areas with high grade dysplasia and invasive adenocarcinoma.
In this particular case, images 1 and 3 show three adenomatous glands ( with features of low grade dysplasia) below mascularis mucosae ( one needs to make sure of the orientation of the specimen as well). In my opinion, the low grade dysplastic features and smooth contours of the glands, as well as the presence of lamina propria around the glands, are consistent with what is called "tubular adenoma with misplaced glands/epithelium" or "a tubular adenoma with pseudoinvasion. "
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本帖最后由 于 2006-11-04 18:12:00 编辑
学习Librahus老师的讲解并试译如下：
管状腺瘤的定义为：由腺上皮组成，伴低级别异型性。然而，重要的是寻找伴有高级别异型性和浸润性腺癌的区域。本例，图1和图3显示三个腺瘤样腺体（伴特征性低级别异型性）位于粘膜肌层下方（要弄清标本包埋的方向）。低级别异型性的特点、腺体周围存在平滑肌轮廓、而且腺体周围存在固有层，我认为，符合“管状腺瘤伴异位腺体/上皮”或“管状腺瘤伴假浸润”。
华夏病理/粉蓝医疗
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