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甲状腺学习笔记之12:甲状腺乳头状癌(高细胞亚型)

  • 2026-05-20 16:38:31
甲状腺学习笔记之12:甲状腺乳头状癌(高细胞亚型)

高细胞亚型甲状腺乳头状癌(Tall Cell Variant of Papillary Thyroid Carcinoma   

TCV-PTC)通常肿瘤体积较大,发病年龄高于经典型PTC患者,并且更易侵犯甲状腺外组织。与经典型PTC相比,高细胞亚型PTC更易局部复发和结外转移,死亡率也更高。

      高细胞亚型PTC病理学特征表现为肿瘤细胞的高度至少是其宽度的两倍。目前可接受的组织学诊断要求这种高细胞成分需占肿瘤细胞比例的30%至70%。

     在常规涂片和液基中,高细胞均表现为细长、柱状,具有清晰锐利的细胞质边界,胞浆丰富,呈嗜酸性或蓝染。高细胞的核内包涵体通常小而多,呈现出一种“肥皂泡”样的外观。当肿瘤细胞排列成黏附性细胞群时,高细胞更易在细胞群的边缘被观察到。在高细胞亚型PTC中,松散黏附或孤立的细胞常常显示出高细胞的典型特征。

      尽管在常规涂片和液基制片,肿瘤细胞核均能良好保存,但在常规涂片中,细胞的胞浆保存效果不佳。因此,通过液基细胞比通过常规涂片能更容易识别出高细胞。

图1 高细胞亚型甲状腺乳头状癌(常规涂片)

      图1 常规涂片示高细胞(如箭头所示)呈柱状,具有丰富的嗜酸性或蓝色胞浆,且胞质边界清晰。此类肿瘤细胞更易在肿瘤细胞团的边缘区域被发现。

图2 高细胞亚型甲状腺乳头状癌(液基)

      图2 液基细胞学示肿瘤细胞呈松散黏附的细胞团或散在分布,其高细胞特征保存良好。插图示呼吸上皮样高细胞形态,核居中或偏位,并呈现典型的核增大、染色质空亮及核膜不规则等特征。

图3 高细胞亚型甲状腺乳头状癌(液基)

      图3 高细胞(箭头所示)清晰可辨,尤其是在肿瘤细胞群的边缘(液基制片)。插图示一个肿瘤细胞含有多个肥皂泡样核内假包涵体。

图4 经典型甲状腺乳头状癌(液基)

      图4 经典型甲状腺乳头状癌,未见上述高细胞(液基制片)。插图示一个含有核内假包涵体的肿瘤细胞。

参考文献
[1] Lee SH, Jung CK, Bae JS, et al. Liquid-based cytology improves preoperative diagnostic accuracy of the tall cell variant of papillary thyroid carcinoma. Diagn Cytopathol. 2014,42(1):11-17. 
【相关链接】
甲状腺学习笔记之1:乳头状癌的核特征
甲状腺学习笔记之2:NIFTP的注释
甲状腺学习笔记之3:PTC在液基与传统涂片中的差异
甲状腺学习笔记之4:液基中PTC特异性新指标——核仁周空晕
甲状腺学习笔记之5:液基PTC苍白核不明显
甲状腺学习笔记之6:PTC核内假包涵体的染色
甲状腺学习笔记之7:液基细胞学的优势
甲状腺学习笔记之8:滤泡亚型PTC
甲状腺学习笔记之9:核沟
甲状腺学习笔记之10:“肥皂泡样”核内包涵体
甲状腺学习笔记之11:高细胞亚型与经典型甲乳癌的细胞边界

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  1. CONNECT:[ UseTime:0.000581s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000901s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000340s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000276s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000492s ]
  6. SELECT * FROM `set` [ RunTime:0.000195s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000548s ]
  8. SELECT * FROM `article` WHERE `id` = 489901 LIMIT 1 [ RunTime:0.000447s ]
  9. UPDATE `article` SET `lasttime` = 1779278500 WHERE `id` = 489901 [ RunTime:0.000933s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000221s ]
  11. SELECT * FROM `article` WHERE `id` < 489901 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000528s ]
  12. SELECT * FROM `article` WHERE `id` > 489901 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000421s ]
  13. SELECT * FROM `article` WHERE `id` < 489901 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000708s ]
  14. SELECT * FROM `article` WHERE `id` < 489901 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000787s ]
  15. SELECT * FROM `article` WHERE `id` < 489901 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000821s ]
0.097129s