Neoplastic Process
ovarian thecoma
Definitions related to ovarian thecoma:
  • A sex cord-stromal tumor of the ovary. Thecomas range from small tumors to large solid or solid-cystic masses of up to 15 cm. They are unilateral in over 90 percent of cases and are rarely malignant. Thecomas are stromal tumors made up of cells that resemble theca cells, lutein cells and fibroblasts. They are traditionally classified within the sex cord-stromal tumor category of ovarian tumor types.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2021
  • A stromal tumor that arises from the ovary and is characterized by the presence of cells that contain lipid and resemble theca cells. The vast majority of cases are benign.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
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