Breast cancer is a type of cancer that forms in the cells of the breast. It is the most common cancer among women worldwide, with an estimated 2.1 million cases diagnosed in 2018 alone.
While mammography is currently the gold standard for breast cancer detection, ultrasound is becoming an increasingly powerful tool in the diagnosis and treatment of this disease. In this article, we will explore the power of ultrasound in breast cancer detection.
What is Ultrasound?
Ultrasound is a non-invasive medical procedure that uses high-frequency sound waves to produce images of structures within the body.
It is a safe and painless procedure that does not use ionizing radiation, making it an ideal imaging option for pregnant women and those who are sensitive to radiation.
How Does Ultrasound Work?
During an ultrasound procedure, the patient lies on a table, and a lubricating gel is applied to the skin over the breast.
A small handheld device called a transducer is then moved over the skin, emitting sound waves that bounce off the breast tissue and return to the transducer. The returning sound waves produce images of the breast tissue, which are then transmitted to a computer monitor for interpretation.
What is the Role of Ultrasound in Breast Cancer Detection?
While mammography is the primary screening tool for breast cancer, ultrasound is becoming increasingly important in the diagnosis and management of this disease.
In fact, the American College of Radiology recommends that ultrasound be performed in addition to mammography for the evaluation of breast masses in women younger than 30 years old and for women with dense breast tissue.
What are the Advantages of Ultrasound in Breast Cancer Detection?
Ultrasound has several advantages over mammography in the evaluation of breast masses. Firstly, it can distinguish between solid and cystic masses, reducing the need for unnecessary biopsies.
Secondly, it is a dynamic procedure, which means that the images produced are in real-time. This allows for the evaluation of blood flow to the mass, which can help to differentiate between benign and malignant masses.
Lastly, ultrasound is a non-invasive procedure that does not use ionizing radiation, making it a safe imaging option for young women and pregnant women.
What are the Limitations of Ultrasound in Breast Cancer Detection?
While ultrasound is an invaluable tool in the evaluation of breast masses, it does have some limitations.
For example, it is operator-dependent, meaning that the quality of the images produced can vary depending on the skill of the ultrasound technician. Additionally, it has a higher false-positive rate than mammography, meaning that it can suggest cancer in cases where no cancer is present.
How is Ultrasound Used in the Detection and Treatment of Breast Cancer?
Ultrasound is used in several ways in the detection and treatment of breast cancer. Firstly, it is used for the initial diagnostic evaluation of breast masses.
If a mass is found during a mammogram or clinical breast exam, ultrasound can be used to determine whether it is solid or cystic and to evaluate blood flow to the mass. If the mass is solid and shows signs of increased blood flow, a biopsy may be recommended to determine whether it is cancerous.
Once a diagnosis of breast cancer has been made, ultrasound can be used to determine the size and extent of the tumor. This information is crucial for determining the appropriate treatment plan.
Ultrasound can also be used during and after treatment to monitor the effectiveness of therapy and to detect any recurrence of the disease.
Conclusion
Ultrasound is a safe and non-invasive medical procedure that is becoming an increasingly powerful tool in the diagnosis and treatment of breast cancer.
While mammography is currently the gold standard for breast cancer detection, ultrasound is an important adjunct to mammography, particularly in women with dense breast tissue or in cases where a mass is identified. The use of ultrasound in the detection and treatment of breast cancer is likely to continue to expand in the coming years, providing clinicians with an important tool in the fight against this disease.