Is teratoma serious?

Written by Wang Jing Hua

Obstetrics and Gynecology

Updated on January 28, 2025

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Teratomas are one of the most common ovarian tumors in women and are generally benign and not severe. If a teratoma is discovered, regular examinations are necessary. These examinations should assess the endocrine status, as some teratomas have endocrine functions, and also consider the growth rate and specific size of the teratoma. Based on the examination results, it will be decided whether regular follow-up examinations are sufficient or if immediate surgical treatment is needed. Therefore, examinations are very important.

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Written by Wang Jing Hua

Obstetrics and Gynecology

44sec

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Is medication effective for ovarian teratoma?

The occurrence of ovarian teratomas is often related to congenital factors; it is a solid tumor for which medication is ineffective. It is necessary to check if there are other symptoms when a teratoma is detected. For example, some ovarian teratomas involve endocrine issues, others may have a tendency to become malignant, or some might be large in size, and some can experience torsion, leading to sudden abdominal pain, among other problems. Some require early surgical treatment, while small ovarian teratomas can be periodically monitored and observed.

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Written by Hou Jie

Obstetrics and Gynecology

1min 5sec

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Teratoma Benign and Malignant Differences

Teratoma refers to a common type of germ cell tumor, which can be classified into mature teratomas and immature teratomas. Mature teratomas are benign tumors, accounting for 10%-20% of ovarian tumors. They can occur at any age but are more common between the ages of 20 and 40. Most are unilateral, of moderate size, and usually have a single compartment filled with sebum and hair; sometimes teeth and bone can also be found. Immature teratomas, on the other hand, are malignant tumors, making up 1%-3% of ovarian teratomas. These are more frequent in younger patients, with an average age of 11 to 19 years. The ovaries are predominantly solid but may include cystic areas, primarily consisting of primitive neural tissue. The malignancy level of the ovary depends on the proportion of immature tissue, the degree of differentiation, and the content of neuroepithelial tissue.

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Written by Shen Li Wen

Obstetrics and Gynecology

1min 13sec

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What is the cause of the pain from a teratoma?

Female teratomas are cystic-solid tumors located on the ovaries. When they are small in size, they generally do not cause pain. However, as they grow larger, due to gravitational pull, they stretch the surrounding ligaments, causing women to experience hidden pain on one side of the lower abdomen. This pain is bearable and only intensifies after vigorous activities or intercourse. Some women may experience increased pain if they have a pelvic infection or during menstruation. Because teratomas are uneven in texture, if they are not adherent to surrounding structures and are relatively mobile, and their stalk is thinner, they might twist under certain circumstances, such as rolling over, spinning hula hoops, or during pregnancy, when the uterus grows and changes the position of the teratoma, leading to acute lower abdominal pain from torsion of the teratoma’s stalk. Therefore, when a woman experiences abdominal pain from a teratoma, it is essential to conduct a gynecological examination and pelvic ultrasound to understand the specific cause of the pain.

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Written by Sun Shan Shan

Obstetrics and Gynecology

52sec

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Does a teratoma require surgery?

Ovarian teratomas are a type of germ cell tumor, requiring surgical treatment whether the teratoma is benign or malignant. Teratomas can be divided into mature teratomas and immature teratomas. Mature teratomas, also known as dermoid cysts, are considered benign tumors. Immature teratomas are malignant tumors, accounting for 1%-3% of ovarian teratomas. Mature teratomas are cystic with a single chamber filled with sebum and hair, and sometimes teeth and bone material can be found inside. Therefore, once a teratoma is identified, the choice of surgical method depends on the size of the tumor, and some biochemical tests are needed to determine the nature of the cystic tumor.

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Written by Liu Jian Wei

Obstetrics and Gynecology

45sec

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Can teratoma be treated with minimally invasive surgery?

Teratoma is a type of ovarian cyst. Whether a teratoma can be treated through minimally invasive surgery needs to be assessed based on the size of the teratoma. If the teratoma is of normal size, then it can be treated with laparoscopic teratoma surgery. However, if the teratoma is excessively large, such a large teratoma will occupy most of the volume of the pelvic abdomen. In this case, it is not possible to perform minimally invasive surgery. Therefore, further evaluation is needed before performing teratoma surgery to determine if it is suitable for minimally invasive surgery.