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  2. Ovarian germ cell tumors - Wikipedia

    en.wikipedia.org/wiki/Ovarian_Germ_Cell_Tumors

    The tumor is caused when the germ cells in the ovaries begin divide uncontrollably and become malignant which are characterized with their less organized nuclei and unclearly defined border. [1] Another potential etiology is the dysfunctioning of the tumor suppressor gene , TRC8/RNF139, or even karyotypic abnormalities after close molecular ...

  3. Ovarian cancer - Wikipedia

    en.wikipedia.org/wiki/Ovarian_cancer

    Granulosa cell tumors are the most common sex-cord stromal tumors, making up 70% of cases, and are divided into two histologic subtypes: adult granulosa cell tumors, which develop in women over 50, and juvenile granulosa tumors, which develop before puberty or before the age of 30.

  4. Thecoma - Wikipedia

    en.wikipedia.org/wiki/Thecoma

    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 ).

  5. Immature teratoma - Wikipedia

    en.wikipedia.org/wiki/Immature_teratoma

    A teratoma is a tumor of germ cell origin, containing tissues from more than one germ cell line, [2] [3] [4] It can be ovarian or testicular in its origin. [4] and are almost always benign. [5] An immature teratoma is thus a very rare tumor, representing 1% of all teratomas, 1% of all ovarian cancers, and 35.6% of malignant ovarian germ cell ...

  6. Ovarian tumor - Wikipedia

    en.wikipedia.org/wiki/Ovarian_tumor

    Ovarian tumors, or ovarian neoplasms, are tumors in the ovary. [1] Not all are ovarian cancer. [1] They consist of mainly solid tissue, while ovarian cysts contain fluid. [2]In 2020, the World Health Organization (WHO) divided ovarian tumours as 90% epithelial, 3% germ cell, and 2% sex cord-stromal types.

  7. Leydig cell tumour - Wikipedia

    en.wikipedia.org/wiki/Leydig_cell_tumour

    Leydig cell tumour, also Leydig cell tumor (US spelling), (testicular) interstitial cell tumour and (testicular) interstitial cell tumor (US spelling), is a member of the sex cord-stromal tumour group [2] of ovarian and testicular cancers. It arises from Leydig cells. While the tumour can occur at any age, it occurs most often in young adults.

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