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.

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Written by Yan Qiao

Obstetrics and Gynecology

1min

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How large must an ovarian teratoma be to require surgery?

Ovarian teratomas, if detected by ultrasound, are indicative of surgery regardless of the size of the tumor. However, it is essential to locate the lesion accurately to proceed with the surgery. For teratomas smaller than two centimeters, it can be quite challenging to find the lesion, which might lead to surgical failure. Additionally, this can increase the trauma for the patient and the costs of surgery. Thus, it is generally advised to perform surgery on teratomas that are larger than two centimeters to ensure a more reliable outcome. In cases where patients have other diseases in conjunction with a teratoma, it is also feasible to consider removing the teratoma during surgery for the other conditions, always attempting to thoroughly explore and locate the teratoma regardless of its size.

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Written by Du Rui Xia

Obstetrics

47sec

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Is surgery necessary for ovarian teratomas?

When dealing with ovarian teratomas, whether surgery is required depends on the nature and size of the teratoma and the clinical symptoms of the patient. Not all teratomas necessarily require surgical treatment. Ovarian teratomas are germ cell tumors that occur in the ovaries. They can be classified into benign and malignant teratomas. Benign teratomas are well differentiated, and the tumor body may contain tissues such as hair and teeth. Generally, smaller teratomas can be observed periodically, but if the teratoma is larger and causes a pelvic mass lesion, surgical treatment is necessary. Malignant teratomas definitely require surgical excision and treatment.

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Written by Du Rui Xia

Obstetrics

53sec

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The difference between ovarian teratoma and cysts

Ovarian teratomas and ovarian cysts are two completely different diseases. Ovarian teratomas are caused by congenital factors and are tumors of the germ cells that can be benign or malignant, usually requiring surgical removal for treatment. Ovarian cysts, on the other hand, are caused by various factors in women, such as poor lifestyle habits or an imperfect diet structure, leading to a hormonal disease. Ovarian cysts can be physiological or pathological. Usually, physiological ovarian cysts gradually disappear with the menstrual cycle, while pathological ovarian cysts can also be benign or malignant. The need for surgical treatment depends on the nature, size, and clinical symptoms of the ovarian cyst.

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Written by Du Rui Xia

Obstetrics

44sec

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How long after ovarian teratoma surgery can one become pregnant?

When suffering from ovarian teratomas, it is necessary to undergo surgical removal as soon as possible. For women with fertility needs, it is generally possible to plan for pregnancy three months after the surgery. Ovarian teratomas are mostly benign, and the body can usually recover quickly after the surgery, approximately 2-3 months later, at which point the ovaries generally resume normal ovulatory function. It is recommended that women undergo regular follow-ups at the hospital after the surgical removal, as there is a possibility of recurrence of teratomas. Moreover, it is advisable to schedule intercourse based on the ovulation status.

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Written by Zhang Lu

Obstetrics

39sec

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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.