Thecoma
Also known as theca cell tumor, this stroma-derived ovarian tumor contains lipid-rich cells resembling cells of the
theca interna. The cells have pale vacuolated cytoplasm and small oval nuclei. Also present, separating the lipid-rich
theca cells, are spindle cells as in a fibroma. Malignant thecomas can occur; 11% of 74 cases in one series.
1 minute clinical correlation