Investigations/procedures
Imaging in breast disease
There are two main modalities of imaging used in assessment of breast
disease depending on the age of the patient:
Ultrasound is the imaging method of choice for establishing the nature
of a breast mass in younger women (less than 35 years). Mammograms can be
difficult to interpret in young women because of increased breast tissue
density.
Mammography is more useful in older women to confirm the morphology and
site of any mass. Cysts are seen as well demarcated masses with a surrounding
halo. Carcinomas are often less well defined and have spiculation, distortion
of the normal breast architecture or microcalcification. Mammography alone has
a 10% false negative rate, hence it is used as part of the triple assessment
(clinical examination, imaging, breast tissue sampling).
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