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(→Brenner tumour: +DDx) |
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*Thought to arise from [[Walthard cell rest]]. | *Thought to arise from [[Walthard cell rest]]. | ||
*Frequently an incidental finding, i.e. oophorectomy was done for another reason. | *Frequently an incidental finding, i.e. oophorectomy was done for another reason. | ||
*May be malignant. | |||
===Gross=== | ===Gross=== | ||
Features: | Features:<ref name=pmid21897739>{{Cite journal | last1 = Borah | first1 = T. | last2 = Mahanta | first2 = RK. | last3 = Bora | first3 = BD. | last4 = Saikia | first4 = S. | title = Brenner tumor of ovary: An incidental finding. | journal = J Midlife Health | volume = 2 | issue = 1 | pages = 40-1 | month = Jan | year = 2011 | doi = 10.4103/0976-7800.83273 | PMID = 21897739 |PMC = 3156501}}</ref> | ||
* | *Classically solid, well-circumscribed, light yellow. | ||
*May be cystic. | |||
Note: | |||
*Borderline tumours classically solid and cystic with papillary projections into the cystic component.<ref name=pmid21897739/> | |||
===Microscopic=== | ===Microscopic=== | ||
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**Elliptical shape (nucleus). | **Elliptical shape (nucleus). | ||
**Nuclear grooves.<ref name=pathout_brenner>URL: [http://www.pathologyoutlines.com/ovarytumor.html#brennergen http://www.pathologyoutlines.com/ovarytumor.html#brennergen]. Accessed on: 8 February 2011.</ref> | **Nuclear grooves.<ref name=pathout_brenner>URL: [http://www.pathologyoutlines.com/ovarytumor.html#brennergen http://www.pathologyoutlines.com/ovarytumor.html#brennergen]. Accessed on: 8 February 2011.</ref> | ||
*Distinct nucleoli. | **Distinct nucleoli. | ||
*Dense fibrous stroma around nests. | |||
Notes: | Notes: | ||
*DDx of Coffee bean nucleus = granulosa cell tumour. | *Main DDx of Coffee bean nucleus = [[granulosa cell tumour]]. | ||
*Stromal component may be predominant. | |||
DDx: | |||
*[[Ovarian fibroma]]. | |||
*[[Thecoma]]. | |||
Images: | Images: |
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