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A struma ovarii (literally: goitre of the ovary) is a rare form of monodermal teratoma that contains mostly thyroid tissue, which may cause hyperthyroidism. [1]
A struma ovarii (also known as goitre of the ovary or ovarian goiter) ... Beyond the newborn period, symptoms of a teratoma depend on its location and organ of origin.
The stroma of the ovary is a unique type of connective tissue abundantly supplied with blood vessels, consisting for the most part of spindle-shaped stroma cells.These appear similar to fibroblasts.
Krukenberg tumors often come to the attention when they cause abdominal or pelvic pain, bloating, ascites, or pain during sexual intercourse.Krukenberg tumors can occasionally provoke a reaction of the ovarian stroma which leads to hormone production, that results in vaginal bleeding, a change in menstrual habits, or hirsutism, [3] or occasionally virilization [4] as a main symptom.
Granulosa cell tumours are tumours that arise from granulosa cells.They are estrogen-secreting tumours and present as large, complex, ovarian masses. These tumours are part of the sex cord–gonadal stromal tumour or non-epithelial group of tumours.
A rare neoplasm, 95% of cases occur in women, especially at the mean age of 45. [6] Biliary cystadenoma and cystadenocarcinoma constitute less than 5% of intrahepatic cysts originating from the bile duct. [6] Cystadenomas in liver are often confused with hydatid cyst as their appearance on various imaging techniques is nearly same. [7]
Typically occurs in young women between the ages of 10–30 years of age [40] Choriocarcinoma: Can occur without gynecological symptoms [41] Yolk sac tumor: Malignant. Occurs in young children [42] Teratoma: Very rare. Often occurs in newborns [medical citation needed] Ovarian serous cystadenoma: Benign lesions [43] Serous cystadenocarcinoma ...
An immature teratoma is a teratoma that contains anaplastic immature elements, and is often synonymous with malignant teratoma. [1] 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.