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==Microscopic== | ==Microscopic== | ||
Features:<ref name=pmid19066686>{{cite journal |author=Trabelsi A, Stita W, Yacoubi MT, Rammeh S, Hmissa S, Korbi S |title=Renal mucinous tubular and spindle cell carcinoma |journal=Can Urol Assoc J |volume=2 |issue=6 |pages=635–6 |year=2008 |month=December |pmid=19066686 |pmc=2593603 |doi= |url=}}</ref> | Features:<ref name=pmid19066686>{{cite journal |author=Trabelsi A, Stita W, Yacoubi MT, Rammeh S, Hmissa S, Korbi S |title=Renal mucinous tubular and spindle cell carcinoma |journal=Can Urol Assoc J |volume=2 |issue=6 |pages=635–6 |year=2008 |month=December |pmid=19066686 |pmc=2593603 |doi= |url=}}</ref> | ||
*Mucin | *Mucin - may be scant. | ||
**Often within foamy macrophages. | |||
*Spindle cells - '''key feature'''. | *Spindle cells - '''key feature'''. | ||
**Often seen only focally. | **Often seen only focally. |
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