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- 70 year old man with 4.0 cm renal mass
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stevenshen 离线
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| 姓 名： | ××× | 性别： | Male | 年龄： | 70 |
| 标本名称： | nephrectomy | ||||
| 简要病史： | renal mass | ||||
| 肉眼检查： | well-circumscribed homogenous brown mass with focal hemorrhage | ||||
Your frozen diagnosis and best guess for final diagnosis and why?
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×参考诊断
嫌色细胞癌(Chromophobe renal cell carcinoma)
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stevenshen 离线
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- Thanks for all the abover discussion. I don't have much to add.
- Intraoperative frozen section diagnosis is usually not necessary for renal tumor surgery.
- In some situations such as this case, a definitive diagnosis may be difficult.
- The main differential diagnoses for this case are: oncocytoma vs. chromophobe RCC (eosinophilic variant) vs clear cell RCC (with granular cells).
- Frozen diagnosis: oncocytic renal neoplasm, chromophobe versus oncocytoma
- Final diagnosis: chromophobe RCC, eosinophilic variant
