医学影像英语每日读丨130.WhatistheGleasonGradingSystem_that

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领读：aimee老师

prostate cancer is not just one solid and sole entity as a whole in the prostate. you can have multitude of areas. so it’s a multifocal disease as a whole. yes you can find one small area or one even larger area of just that solitary focus of prostate cancer, but as a whole we’re finding several different areas, and they’re not all the same grade of cancer. so when we do that biopsy, that pathologist will then look at that prostate and look at that cancer, and say this is a specific grade, and again whether that’s a g

leason 3 or whether that’s a gleason 4. and then again we come up with that score. so you have those two numbers together. okay, so let’s talk about that. so if they see all in, we’ll make it simple, if the only score that they see, the only grade that they see is a three by default, that gleason score is a three plus three, again three plus three equals six. so that’s a gleason score of six, pretty easy. all we see is a gleason grade of three, and by default it’s a three plus three.

字幕 注释：赵晨 袁杰

审核：陶陶

领读：沈璐瑶

1. prostate [?prɑ:ste?t] n. 前列腺

2. multifocal [‘m?lt?fo?kl] 多病灶的

3. solitary [?sɑ:l?teri] adj. 单个的

【what is the gleason grading system（part2）前列腺癌gleason分级系统】

前列腺癌并不是整个前列腺上只有一个或一种单发的实性病灶，而是可以发生在不同区域，因此是一个多灶性疾病。当我们针对单独的病灶时，范围可大可小，但在整个前列腺上可以存在多处病灶，且各个病灶的分级不同。因此病理医师不仅要观察前列腺，还要针对每一个病灶进行特定的分级，究竟是gleason3级还是4级。其次我们再进行评分，两个数字相加。那我们来看，如果所有的癌灶结构一致，那么会很简单，只有一种分化类型的分级默认为3级，则评分为3+3=6分。因此gleason的评分为6分。因此，如果所有病灶都为3级，那么评分即默认为6分。

来源：每天朗读一段医学影像学英语文章

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