Symptoms of malignant and benign ovarian cysts

Written by Xia Hu
Obstetrics and Gynecology
Updated on May 19, 2025
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Some benign ovarian cyst symptoms are relatively mild, with the most common being slight lower abdominal bloating and pain. However, if there are malignant changes, the pain can be more severe, often causing widespread abdominal pain and even cramp-like pain similar to intestinal obstruction. If the malignant tumor metastasizes, nearby areas may show symptoms. For example, if it spreads to the bladder, symptoms such as frequent urination and urgency can occur. If it metastasizes to the intestines causing intestinal obstruction or adhesions, it may lead to abdominal bloating, lower abdominal pain, cessation of passing gas, and even vomiting. Distant metastasis, such as to the lungs, might present symptoms like coughing and coughing up blood, so the symptoms of malignant tumors tend to be more varied.

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Written by Li Shun Hua
Obstetrics and Gynecology
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How to treat ovarian cysts?

The majority of ovarian cysts are physiological. If an ovarian cyst is detected for the first time during an ultrasound, it can be observed temporarily. Generally, such cysts will gradually shrink or disappear naturally after two to three months. If the cyst is relatively large, exceeding 5cm, and the ovary has not shrunk after two to three months of observation, but instead the cyst has grown, it is likely an ovarian tumor, which requires surgical treatment. If an ovarian tumor occurs, there is a potential for malignancy or torsion, so timely surgical intervention is necessary.

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Written by Li Shun Hua
Obstetrics and Gynecology
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Ovarian cysts have no symptoms

Most ovarian cysts are physiological, so few people experience symptoms. Common ovarian cysts include corpus luteum cysts and other ovarian cysts, which generally disappear naturally after two to three months. Therefore, if the ovarian cyst is not large, within five centimeters, and there are no symptoms, it is possible to temporarily observe it and perform an ultrasound after two to three months. If the cyst has not decreased in size or continues to grow, it may be an ovarian tumor, which would require surgical treatment. This is because if an ovarian tumor is left for a long time, it may become malignant or may lead to ovarian torsion.

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Written by Li Shun Hua
Obstetrics and Gynecology
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Are ovarian cysts easy to treat?

Most ovarian cysts are physiological. If it's the first time an ovarian cyst is detected, it can be observed, and a re-examination can be conducted after two months. If the cyst disappears or reduces in size, it is physiological and there is no need for concern or treatment. However, if the ovarian cyst has not reduced but has increased in size after two months, this is pathological, indicating an ovarian tumor. In this case, surgical treatment is necessary. This is because if an ovarian tumor persists for a long period, it may become malignant or lead to ovarian torsion, both of which can affect the body adversely.

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Written by Yan Qiao
Obstetrics and Gynecology
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Do ovarian cysts hurt?

This ovarian cyst is generally a benign tumor change. Normally, ovarian cysts do not show any symptoms. However, as the cyst grows larger, it may cause an increase in abdominal size and bloating. It may also press on the gastrointestinal tract and the bladder, leading to corresponding urinary and gastrointestinal symptoms. Additionally, changes in body position may lead to acute abdomen, such as ovarian cysts, torsion of the stalk, rupture of ovarian cysts, and other conditions.

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Written by Hou Jie
Obstetrics and Gynecology
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Are ovarian cysts serious?

Ovarian tissue is very complex in composition. It is the site with the most types of primary tumors among all body organs. Different types of ovarian tumors exhibit significant differences in histological structure and biological behavior. Benign ovarian tumors are typically small, often asymptomatic, and are usually discovered incidentally during gynecological examinations. As cysts grow, one may experience abdominal bloating or feel a mass in the abdomen. During examination, abdominal distention can be observed, the mass is usually mobile, percussion shows a dull sound, and there is no shifting dullness. If the tumor is malignant, there are often no symptoms in the early stages; later stages mainly present with symptoms of abdominal bloating, abdominal masses, and gastrointestinal symptoms. If adhesions occur with surrounding tissues, symptoms of compression, such as abdominal pain, back pain, and leg pain may also appear. Therefore, ovarian tumors should be treated promptly once detected.