Ovarian teratoma is what?

Written by Liu Jian Wei

Obstetrics and Gynecology

Updated on February 10, 2025

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Ovarian teratoma, which is one of several types of ovarian cysts, is mostly benign. However, in clinical practice, there is a possibility for some ovarian teratomas to become malignant. Therefore, it is recommended that if ovarian teratoma is suspected, immediate examinations should be conducted at local hospitals to assess the condition. If necessary, it is advised that patients with ovarian teratoma undergo surgical removal of the tumor in the hospital.

Other Voices

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Written by Zhang Lu

Obstetrics

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Does teratoma affect the fetus?

Teratoma is a common benign ovarian tumor in women, and most teratomas do not affect the fetus. Since the majority of teratomas are smaller than 5cm, even under the stimulation of pregnancy, teratomas generally do not grow significantly large, and it is generally considered that small teratomas do not affect the fetus. However, if the teratoma is very large, more than 8cm, there is a risk of rupture and infection during pregnancy, which could potentially affect the fetus. For large teratomas during pregnancy, enhanced monitoring is necessary to avoid rupture and infection, in order to protect the fetus.

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Written by Liu Jian Wei

Obstetrics and Gynecology

40sec

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Do ovarian teratomas hurt?

Ovarian teratomas do not cause abdominal pain under normal conditions. However, if a patient engages in vigorous activities, it can lead to a torsion of the ovarian teratoma. The torsion of the teratoma can drag the ovary to twist along with it, consequently affecting the blood supply to the adnexa on the affected side, leading to ischemic necrosis of the adnexa, and thus causing a sudden onset of severe lower abdominal pain on one side. In such abnormal situations, the ovarian teratoma can indeed cause lower abdominal pain.

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Written by Shen Li Wen

Obstetrics and Gynecology

54sec

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Do teratomas hurt?

Teratomas themselves do not cause pain, especially when they are relatively small, women often have no clinical symptoms. As the size gradually increases, the tumor pulls on the surrounding ligaments, causing abdominal discomfort, such as a feeling of abdominal heaviness, or even abdominal pain. Some women may also experience infection or adhesions with surrounding tissues, leading to abdominal pain. Additionally, some women may have malignant transformation of their teratoma, which invades surrounding tissues and nerves, possibly causing headaches. A small number of women may experience a change in the position of the teratoma after pregnancy or urination, leading to torsion, which can obstruct the blood flow to the tumor, resulting in necrosis and bleeding, causing acute abdominal pain.

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Written by Li Shun Hua

Obstetrics and Gynecology

52sec

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Does ovarian teratoma affect menstruation?

Ovarian teratomas include mature teratomas, which are benign tumors. These benign ovarian teratomas do not affect menstruation. However, there are also malignant teratomas, which are immature teratomas. Immature teratomas can secrete hormones, and because they secrete different types of hormones, their impact on menstruation varies. If an ovarian teratoma is diagnosed, immediate surgical treatment is required, because if it is an immature teratoma, it is malignant. Prolonged presence can lead to metastasis. If a teratoma is detected early, early-stage malignant tumors can be cured through surgical treatment.

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Written by Liu Jian Wei

Obstetrics and Gynecology

43sec

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What to do about ovarian teratoma abdominal pain?

If a patient has an ovarian teratoma and also has abdominal pain, they should immediately visit a local hospital for a gynecological examination and a gynecological ultrasound. The main purpose is to confirm whether there is torsion of the ovarian teratoma. Once torsion of the ovarian teratoma occurs, it can cause ischemic necrosis of the ipsilateral fallopian tube and ovary, leading to severe consequences. Therefore, once an ovarian teratoma is detected, it is not advisable for the patient to continue observation treatment. Prompt surgery is key to avoiding pathological changes and complications.