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Which diagnostic test should you choose? A comprehensive, doctor-reviewed comparison.
Mammography and breast ultrasound are both essential breast imaging tools but serve different purposes. Mammography uses low-dose X-rays and is the gold standard screening tool for breast cancer in women over 40, capable of detecting microcalcifications that ultrasound cannot see. Breast ultrasound uses sound waves and is particularly valuable for evaluating palpable lumps, dense breast tissue, and distinguishing solid masses from fluid-filled cysts.
Technology
Mammography
Low-dose X-ray compression imaging
Breast Ultrasound
High-frequency sound waves
Radiation Exposure
Mammography
Very low (0.4 mSv per exam)
Breast Ultrasound
None — completely radiation-free
Scan Duration
Mammography
15–20 minutes
Breast Ultrasound
15–30 minutes
Cost Range
Mammography
₹1,500 – ₹3,500
Breast Ultrasound
₹1,000 – ₹2,500
Best For
Mammography
Screening — detects microcalcifications & architectural distortion
Breast Ultrasound
Evaluating palpable lumps & dense breast tissue
Sensitivity in Dense Breasts
Mammography
Reduced sensitivity in very dense tissue
Breast Ultrasound
Superior — sound waves penetrate dense tissue well
Pain Level
Mammography
Mild discomfort from breast compression
Breast Ultrasound
Painless
Age Suitability
Mammography
Recommended from age 40+ for screening
Breast Ultrasound
All ages, including young women
Mammography remains the gold standard for breast cancer screening in women over 40 due to its ability to detect microcalcifications. Breast ultrasound is ideal for evaluating lumps, young women, and dense breast tissue. For comprehensive breast health, many radiologists recommend both.
No. Ultrasound cannot detect microcalcifications — an important early sign of breast cancer. Mammography remains the primary screening tool. Ultrasound is used as a complementary test, especially for dense breast tissue.
Breast ultrasound is painless. Mammography involves brief breast compression that can cause mild discomfort, but modern digital mammography machines have improved comfort significantly.
Ultrasound vs CT Scan: Compare safety, radiation, cost & diagnostic accuracy. Understand when ultrasound is sufficient and when CT scan is required.
Color Doppler vs Ultrasound: Compare technology, blood flow visualization, clinical use & cost. Learn when a Doppler study is needed over regular ultrasound.
Our experienced radiologists and doctors can recommend the right diagnostic test based on your symptoms and clinical history.
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