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科普:1094-学习笔记:涎腺腺泡细胞癌,儿童中第二常见的唾液腺恶性肿瘤!

  • 2026-11-06 23:06:40
科普:1094-学习笔记:涎腺腺泡细胞癌,儿童中第二常见的唾液腺恶性肿瘤!
s^_^
日拱一卒,功不唐捐!

一花一世界,一镜一病理

今日学习笔记

涎腺腺泡细胞癌

一:定义:是一种向浆液性腺泡细胞分化、镜下胞质含酶原颗粒的低度恶性唾液腺上皮性肿瘤,预后较好。浆液性腺泡细胞的分化是腺泡细胞癌的主要特点。

二:临床特点:最常见的发生部位是腮腺,常表现为生长缓慢、无痛性肿块。高级别肿瘤可能生长迅速,固定于邻近结构,并出现面神经麻痹。它是儿童中第二常见的唾液腺恶性肿瘤(提示:第一常见的是黏液表皮样癌)。

三:肉眼观:肿瘤可有不完整包膜,实性结节,界限清楚,最大径1cm-5cm。切面呈分叶状,实性或囊性变,灰褐色至灰红色,质地中等或偏软。

四:镜下特点:四种结构+五种细胞。

①四种结构:肿瘤细胞排列呈实体型,微囊型,滤泡型,乳头囊状四种方式等。其中乳头囊状少见。

A:实体型:以腺泡细胞为主,排列成腺泡状或片状

B:微囊型:细胞之间形成大量微小囊状间隙。

C:滤泡型:癌细胞形成类似甲状腺滤泡的结构,闰管样细胞形成囊腔,腺腔内含均质嗜伊红物。

D:乳头囊状型:闰管样细胞为主,形成单个或多个囊腔,增生上皮呈乳头状突人囊腔。此型的血管非常丰富并且有出血。可见腔面的肿瘤细胞吞噬含铁血黄素,是一个显著特点。

②五种细胞:腺泡样细胞、闰管样细胞、空泡样细胞、透明细胞、非特异腺样细胞构成,其中腺泡样细胞是最常见的类型。

A:腺泡细胞:多角形细胞,有微嗜碱性、颗粒状酶原颗粒,细胞核小,核偏位。

B:闰管样细胞:立方形,胞质较少,嗜酸性,细胞核大、居中,似正常闰管细胞。围绕成腔隙。

C:空泡样细胞:胞浆内含有多个细小空泡,细胞核固缩,PAS染色阴性。

D:透明样细胞:类似于腺泡样细胞,但胞质不着色,PAS染色阴性。

E:非特异性腺细胞:多边形,边界不清,合体样。

肿瘤间质可见淋巴细胞浸润,部分非常显著.(间质含有大量淋巴样组织的预后较好)。有时可见胶原纤维玻璃样变及钙化。

今天就学到这吧, 行文将至,我们明天见喽!❤❤❤

最后祝大家夜夜平安

最后的最后祝你我身体健康 

生活美满 工作顺利

所愿皆所得

接下来

做一个收集病理典型镜下图片公告:

  Hi,各位病理同仁们:由于现实生活中,遇到典型的案例或者疾病的种类不全,所以有时候很多疾病或者奇奇怪怪的病理镜下图片,是不容易遇到的。在这里我想有个小的诉求:病理可爱的同仁们,如果遇到典型的病例或者新病例,可以私信投稿给我哦,大家一起来学习、讨论。让Pathology札记变为病理启蒙者的学习大家园!

声明:本人科普文章仅代表个人观点,且我不是知识的生产者,所用的参考文献已详细标记出处,侵权请联系删除;再者科普所有内容及观点均不保证正确,仅供个人交流学习用,不能作为医疗建议或参考;最后欢迎大家留言指正,共同学习进步!

博 主 寄 语

  小事成就大事,很多成功就是由一件件小事积累而成。“不积跬步,无以致千里;不积小流,无以成江海。”做好眼下的每件小事,不疾不徐,脚踏实地,才有把大事做成的可能.很多时候,一件事的失败,并不是败在能力上,而是败在细节上。做成大事的人,往往做小事也认真:而做小事不认真的人,往往也做不成大事。把每一件简单的事做好,就是不简单;把每一件平凡的事做好,就是不平凡。

自律且上进

自由且独立

清醒且透彻

参考文献:病理书籍及网络病理公众号,感谢大家支持!文章顶风景图片来自:小红书号:w91286;底风景图片来自:小红书号:5394318504;底文章来源:摘自人民日报。

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000406s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
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  6. SELECT * FROM `set` [ RunTime:0.000351s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000597s ]
  8. SELECT * FROM `article` WHERE `id` = 573507 LIMIT 1 [ RunTime:0.000439s ]
  9. UPDATE `article` SET `lasttime` = 1793992970 WHERE `id` = 573507 [ RunTime:0.001159s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000329s ]
  11. SELECT * FROM `article` WHERE `id` < 573507 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000414s ]
  12. SELECT * FROM `article` WHERE `id` > 573507 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000436s ]
  13. SELECT * FROM `article` WHERE `id` < 573507 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000788s ]
  14. SELECT * FROM `article` WHERE `id` < 573507 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000601s ]
  15. SELECT * FROM `article` WHERE `id` < 573507 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000576s ]
0.089030s