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  2. Teratoma - Wikipedia

    en.wikipedia.org/wiki/Teratoma

    Ovarian tumors by incidence and risk of ovarian cancer, with mature cystic teratoma at bottom and immature teratoma at right. [ 55 ] Embryonal teratomas most commonly occur in the sacrococcygeal region; sacrococcygeal teratoma is the single most common tumor found in newborn humans.

  3. Ovarian germ cell tumors - Wikipedia

    en.wikipedia.org/wiki/Ovarian_Germ_Cell_Tumors

    Ovarian germ cell tumors (OGCTs) are heterogeneous tumors that are derived from the primitive germ cells of the embryonic gonad, which accounts for about 2.6% of all ovarian malignancies. [1] There are four main types of OGCTs, namely dysgerminomas , yolk sac tumor , teratoma , and choriocarcinoma .

  4. Ovarian cancer - Wikipedia

    en.wikipedia.org/wiki/Ovarian_cancer

    An adnexal mass is a significant finding that often indicates ovarian cancer, especially if it is fixed, nodular, irregular, solid, and/or bilateral. 13–21% of adnexal masses are caused by malignancy; however, there are other benign causes of adnexal masses, including ovarian follicular cyst, leiomyoma, endometriosis, ectopic pregnancy ...

  5. Germ cell tumor - Wikipedia

    en.wikipedia.org/wiki/Germ_cell_tumor

    The most notable of these is sacrococcygeal teratoma, the single most common tumor diagnosed in babies at birth. [citation needed] Of all anterior mediastinal tumors, 15–20% are GCTs of which about 50% are benign teratomas. [10] Ovarian teratomas may be associated with anti-NMDA receptor encephalitis. [11]

  6. Ovarian tumor - Wikipedia

    en.wikipedia.org/wiki/Ovarian_tumor

    A teratoma that contains anaplastic immature elements, and is often synonymous with malignant teratoma. [8] Other germ cell tumors 3.0%: Others mainly include dysgerminoma, yolk sac tumor, struma ovarii and squamous cell carcinoma arising from a dermoid cyst, and malignant mixed germ cell tumor. [5] Surface epithelial-stromal tumor Serous tumor ...

  7. 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 ...

  8. Meigs's syndrome - Wikipedia

    en.wikipedia.org/wiki/Meigs's_syndrome

    Meigs syndrome may mimic other conditions, [4] since it is tumor arising from ovaries, pathology of any organs present in the abdomen may show a similar set of symptoms. . These include various gynecological disorders of the uterus such as endometrial tumor, sarcoma, leiomyoma (pseudo-Meigs syndrome); fallopian tube disorders such as hydrosalpinx, granulomatous salpingitis, fallopian tube ...

  9. Ovarian squamous cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Ovarian_Squamous_Cell...

    Ovarian squamous cell carcinoma; Squamous Ovarian Cell Carcinoma: Symptoms: Vaginal pain and discomfort, pain during sex, abdominal pain, post-menopausal bleeding, Usual onset: Females older than 45 years old: Causes: Non-pre-existing ovarian lesions (primary) or pre-existing ovarian lesions (Mature cystic teratoma, endometriosis, Brenner tumor)