Thecoma
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| Thecoma | |
|---|---|
High magnification micrograph of a thecoma. H&E stain.
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| Classification and external resources | |
| Specialty | Lua error in Module:Wikidata at line 446: attempt to index field 'wikibase' (a nil value). |
| ICD-9-CM | 220 |
| ICD-O | 8600 |
| Patient UK | Thecoma |
| MeSH | D013798 |
Thecomas or theca cell tumors are benign ovarian neoplasms composed only of theca cells. Histogenetically they are classified as sex cord-stromal tumours.
They are typically estrogen-producing and they occur in older women (mean age 59; 84% after menopause). (They can, however, appear before menopause.[1])
Sixty percent of patients present with abnormal uterine bleeding, and 20% have endometrial carcinoma.
Pathologic features
Low magnification micrograph of a thecoma showing compression of the ovarian cortex (right of image). H&E stain.
Grossly, the tumour is solid and yellow.
Grossly and microscopically, it consists of the ovarian cortex.
Microscopically, the tumour cells have abundant lipid-filled cytoplasm.
References
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