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Difference between revisions of "Ovarian tumours"
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→Clear cell carcinoma of the ovary: more
(→IHC: more) |
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* Increased risk of ovarian clear cell carcinoma ~ 3x. | * Increased risk of ovarian clear cell carcinoma ~ 3x. | ||
* Seen in 50-70% of ovarian CCC. | * Seen in 50-70% of ovarian CCC. | ||
===Gross=== | |||
*Usually unilateral (unlike [[serous carcinoma of the ovary|serous carcinoma]]).<ref name=pmid22885379/> | |||
===Microscopic=== | ===Microscopic=== | ||
| Line 505: | Line 508: | ||
DDx: | DDx: | ||
*[[Serous carcinoma of the ovary]] - have larger papillae,<ref name=pmid22885379/> more group pleomorphism. | *[[Serous carcinoma of the ovary]] - have larger papillae +/- branching +/-multilayered epithelium, more mitotic activity,<ref name=pmid22885379/> more group pleomorphism. | ||
*[[Serous borderline tumour of the ovary]]. | |||
*High-grade [[endometrioid carcinoma of the ovary]]. | *High-grade [[endometrioid carcinoma of the ovary]]. | ||
*[[Metastasis|Metatstatic]] [[clear cell carcinoma]]. | *[[Metastasis|Metatstatic]] [[clear cell carcinoma]], esp. [[clear cell renal cell carcinoma]]. | ||
*Borderline clear cell lesion of the ovary - very rare; an under sampled carcinoma considered more probable.<ref name=pmid22885379/> | *Borderline clear cell lesion of the ovary - very rare; an under sampled carcinoma considered more probable.<ref name=pmid22885379/> | ||
*[[Arias-Stella reaction]] within [[endometriosis]]. | *[[Arias-Stella reaction]] within [[endometriosis]]. | ||