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- The resolution of ultrasound is inferior to high-resolution mammography
- Lesions under 1 cm in diameter, unless cystic, cannot be detected
- Not useful for stereotactic localization of nonpalpable breast lesions
- Doppler flow signals can be used to detect increased flow and continuous flow through
diastole in malignant breast lesions -not adequate sensitivity to dictate treatment
- Before 30 y supports the clinical impression of a simple cyst
or fibroadenoma
- After 30 y is indicated only when confirmation of a
mammographic impression of a simple cyst is needed
- PET scan and MRI - under evaluation.
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