Difference between revisions of "Thecoma"
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==Microscopic== | ==Microscopic== | ||
Features:<ref name=pmid16810055/> | Features:<ref name=pmid16810055>{{Cite journal | last1 = Roth | first1 = LM. | title = Recent advances in the pathology and classification of ovarian sex cord-stromal tumors. | journal = Int J Gynecol Pathol | volume = 25 | issue = 3 | pages = 199-215 | month = Jul | year = 2006 | doi = 10.1097/01.pgp.0000192271.22289.e6 | PMID = 16810055 }}</ref> | ||
*Nuclei with oval to spindle morphology. | *Nuclei with oval to spindle morphology. | ||
*Abundant cytoplasm that is pale, vaculolated -- '''key feature'''. | *Abundant cytoplasm that is pale, vaculolated -- '''key feature'''. | ||
Revision as of 05:36, 2 May 2015
Thecoma is an ovarian tumour in the sex-cord stromal group of tumours.
General
- Associated with compression & atrophy of ovarian cortex, thought to arise from medulla.[1]
- Approximately 50% have symptoms related to estrogen secretion.[2]
- May also be viralizing.
Gross
Features:
- Solid yellow mass, usu. well-circumscribed.[3]
DDx:
- Ovarian fibroma - white solid mass.[3]
- Fibroma-thecoma (fibrothecoma).
Microscopic
Features:[2]
- Nuclei with oval to spindle morphology.
- Abundant cytoplasm that is pale, vaculolated -- key feature.
Images
Thecoma - low mag. (WC)
Thecoma - high mag. (WC)
IHC
- Alpha-inhibin +ve (90%+).[2]
References
- ↑ Nocito, AL.; Sarancone, S.; Bacchi, C.; Tellez, T. (Feb 2008). "Ovarian thecoma: clinicopathological analysis of 50 cases.". Ann Diagn Pathol 12 (1): 12-6. doi:10.1016/j.anndiagpath.2007.01.011. PMID 18164409.
- ↑ 2.0 2.1 2.2 Roth, LM. (Jul 2006). "Recent advances in the pathology and classification of ovarian sex cord-stromal tumors.". Int J Gynecol Pathol 25 (3): 199-215. doi:10.1097/01.pgp.0000192271.22289.e6. PMID 16810055.
- ↑ 3.0 3.1 Rose, Alan G. (2008). Atlas of Gross Pathology with Histologic Correlation (1st ed.). Cambridge University Press. pp. 398. ISBN 978-0521868792.