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- 76 year old woman with 3.5 cm lung nodule
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stevenshen 离线
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| 姓 名： | ××× | 性别： | Female | 年龄： | 76 |
| 标本名称： | Lung wedge resection | ||||
| 简要病史： | None | ||||
| 肉眼检查： | 3.5 cm homogenous white-tan nodule | ||||
Frozen diagnosis?
Differential diagnoses?
Do you need any other information?
(Final diagnosis will be posted in 4 weeks)
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本帖最后由 于 2009-06-15 04:24:00 编辑
×参考诊断
Carcinoid tumor
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stevenshen 离线
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The neoplastic cells are both individually and in cohesive aggregates in a touch prep cytology. and they are small or plasmacytoid, the nuclei are uniformly round or ovoid and finely stippled chromatin granules(" salt and pepper").nucleoli are inconspicuous. all these features favour typical carcinoid.
DDX：lymphoma,SCC, high grade NEC.
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stevenshen 离线
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| 以下是引用yourself在2009-7-20 23:22:00的发言：
The neoplastic cells are both individually and in cohesive aggregates in a touch prep cytology. and they are small or plasmacytoid, the nuclei are uniformly round or ovoid and finely stippled chromatin granules(" salt and pepper").nucleoli are inconspicuous. all these features favour typical carcinoid. DDX：lymphoma,SCC, high grade NEC. |
Excellent description and the answer is correct.
I think this case showed that cytology is extremely helpful in this situation. On frozen section, you might have difficulty to come up with a defintive diagnosis of carcinoid tumor.
