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Difference between revisions of "Small cell carcinoma of the urinary bladder"
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Small cell carcinoma of the urinary bladder (view source)
Revision as of 21:24, 17 May 2022
, 21:24, 17 May 2022→Microscopic
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==Microscopic== | ==Microscopic== | ||
Features: | Features: | ||
* | *Cohesive small cells (~2x resting lymphocytes) with scant cytoplasm - see ''[[small cell carcinoma]]''. | ||
*If mixed histology, ''small cell carcinoma'' component must be majority of tumour; otherwise classified as ''urothelial carcinoma with small cell carcinoma component''.<ref>{{Ref WHOGU2016|117-8}}</ref> | **May have nuclear moulding. | ||
*If mixed histology with urothelial carcinoma, ''small cell carcinoma'' component must be majority of tumour; otherwise classified as ''urothelial carcinoma with small cell carcinoma component''.<ref>{{Ref WHOGU2016|117-8}}</ref> | |||
Note: | Note: | ||
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DDx: | DDx: | ||
*[[Urothelial carcinoma]] with a small cell carcinoma component | |||
*[[Small cell carcinoma of the prostate gland]]. | *[[Small cell carcinoma of the prostate gland]]. | ||
*[[Lymphoma]], large cell. | *[[Lymphoma]], large cell. | ||