malignant sex cord stromal tumor of ovary theca steroid-producing cell malignant tumor of ovary, not further specified https://www.malacards.org/card/theca_steroid_producing_cell_malignant_tumor_of_ovary_not_further_specified Orphanet:99917 Editor note: TODO MONDO:0020543 MEDGEN:904268 GARD:0019708 Malignant steroid cell tumor of the ovary, not otherwise specified is a rare malignant sex cord stromal tumor of ovary of unknown histological lineage, occurring in adult women, characterized, in most cases, by manifestations of androgen excess (hirsutism, hair loss, amenorrhea, or oligomenorrhea) and, occasionally, Cushing syndrome. theca (steroid-producing) cell cancer, not further specified UMLS:C4274494