Sex cord / stromal ovarian tumors
Sex cord / stromal ovarian tumors are a subtype of ovarian tumors and account for 8-10% of all ovarian tumors. They arise from two groups of cells in the ovary:
- stromal cells
- primitive sex cords: celomic epithelium
The group of tumors includes
- ovarian fibroma-thecoma spectrum
- ovarian fibroma: ~4% of ovarian tumors
- ovarian fibrosarcoma: ~1% of ovarian tumors
- ovarian thecoma: ~1% of ovarian tumors
- sclerosing stromal tumor of the ovary: rare
- ovarian Sertoli-Leydig cell tumor / ovarian chondroblastoma: ~0.5% of ovarian tumors
- granulosa cell tumor of ovary: most common malignant sex cord tumor
Radiographic features
Initial imaging modality to evaluate sex cord-stromal tumors is ultrasound. Large mass with heterogenous appearance is commonly seen .
These ovarian tumors tend to be unilateral, homogeneous, and tend to be solid (although may be cystic and solid). For individual appearances, see the subarticles.
Siehe auch:
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