Imagine that you have a pelvic ultrasound scan on the advice of a doctor. If the report shows that there is a tumor (lesion) on the ovary, it is very normal to feel a little scared and worried. "Oh, is this cancer?" The question may arise in your mind. But the truth is, not all tumors that develop in the ovaries are cancer. So, there is a special method that can accurately classify this condition and help doctors around the world understand the risk of cancer in the same way. That is what is called O-RADS .
What is O-RADS? Let's understand it simply.
Simply put, O-RADS is a system used to classify any abnormality, such as a tumor or lesion, that appears on your scan in the ovary or its adnexal area. More precisely, it assigns a score to the risk of cancer in that condition.
The full name of this is the Ovarian-Adnexal Reporting and Data System .
- Ovarian-Adnexal refers to the parts that hold the ovaries, fallopian tubes, and surrounding organs of the female reproductive system.
- A lesion is a damaged or abnormal-looking area of an organ or tissue. Although we simply call it a "lump," it is not always dangerous.
According to this O-RADS system, the condition seen on the scan is classified on a scale from 0 to 5. The higher the number, the higher the risk of cancer.
But this is not just a scoring system. The committee that introduced this system (by the American College of Radiology) has also come up with a special lexicon of terms used in this regard and recommendations on what kind of treatment or management is appropriate for people in each risk group. So this will be a great help for your doctor to make decisions about your condition.
Are there types of O-RADS?
Yes, there are two main types of scans that use the O-RADS system. That is, this classification is based on the data obtained from which scan.
1. O-RADS Ultrasound (US): This is the most commonly used method. This classification is based on data obtained from abdominal or transvaginal ultrasound scans. This scan can detect many ovarian and related tumors and other conditions.
2. O-RADS MRI: Sometimes the information obtained from an ultrasound scan may not be enough to make a diagnosis. In such cases, your doctor may recommend an MRI (Magnetic Resonance Imaging) scan, which can provide a clearer, more detailed picture of the soft tissues. MRI is especially important to confirm or rule out a malignancy if there is a suspicion of a cancerous condition.
What are the main things that actually change with O-RADS?
There are several main objectives for introducing this system. It provides great convenience and clarity for both patients and doctors. Let's see what they are.
| Purpose of the O-RADS system | Simply put... |
|---|---|
| Consistent interpretations | No matter where the scan is done in Sri Lanka or anywhere else in the world, the doctors who view the report can understand it in the same way. This creates clarity in treatment. |
| Increase diagnostic accuracy | It reduces false positives for benign tumors, which can lead to a significant reduction in unnecessary surgeries . |
| Provide treatment recommendations for each category. | Based on your O-RADS score, the doctor will receive clear guidance on what to do next (e.g., do another scan, check back in a few months, or refer you to a specialist). |
What are the benefits of using O-RADS for you?
In the past, transvaginal ultrasound scans and a blood test called CA-125 were used to detect ovarian cancer. However, these methods sometimes had the potential to produce false positive results . This means that someone who actually did not have cancer was incorrectly diagnosed with cancer.
Imagine what would happen if that happened. The person would be unnecessarily depressed and scared. Not only that, but sometimes they would even have to undergo unnecessary surgeries. Research has shown that about 17.8% of patients can have complications after surgery for non-cancerous tumors. That means that unnecessary surgery will only cause another health problem.
One of the main goals of the O-RADS system is to reduce unnecessary surgeries for non-cancerous conditions and to quickly refer only those who are truly at risk to the most appropriate specialist, such as a gynecologic oncologist.
The O-RADS system doesn't just look at whether a tumor is present or not. It takes into account many things, such as the size, location, appearance, and internal characteristics of the tumor. It also takes into account whether you have gone through menopause. All of these factors are taken together to assess your risk.
This way, you will get a clear answer quickly and without causing unnecessary fear, allowing you to talk clearly with your doctor about what to do next.
Take-Home Message
- O-RADS is a scoring system (0-5) that assesses the risk of cancer in the ovary or related lumps/changes seen on your scan report.
- Although the risk of a higher score is higher, a low score (e.g. O-RADS 2 or 3) means that it is most likely a benign condition. So don't worry.
- This system allows doctors around the world to understand scan reports in the same way, which increases the accuracy of the treatment you receive.
- One of the main benefits of this is the reduction in the number of unnecessary surgeries performed for non-cancerous conditions.
- If your scan report shows an O-RADS sign, don't panic, but calmly talk to your doctor about what the sign means and what steps to take next.
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