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joule_0908 离线
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以下是引用学浅在2009-8-2 15:27:00的发言:
做了免组后重新取材,发现灰白小结节直径约0.4厘米,镜检为密集的小腺泡,核仁明显,可见类结晶体,癌组织浸润附近前列腺组织. 问题:1、对照WHO中的Gleason分级,本例腺泡异型性较小,无融合,浸润范围较小,大部分区域应符合2级.但多次在华夏网听课记得"有浸润就至少3级"的说法,不知为何与书上说法不一致? 2、P504S在此例中诊断意义不强,可能的原因有那些? 最后诊断:前列腺高分化腺泡腺癌.gleason评分:2+3=5分 |
1. Gleason grade is primarily based on the architectural growth pattern of the cancerous glands. When tumor glands infiltrate between the normal glands = "浸润就至少3级"
2. Morphologic diagnosis is the most important...P504 is an ancillary test - has its own sensitivity and specify issues. It is not particularly useful when tumor focus is small.