Breast imaging Flashcards
Where does the breast lie?
Between rib 2 and 6 MCL
When is imaging used in breast?
Lumps Unilateral or bloody discharge skin dimpling Inflammation Axillary lumps
SCREENING
Which components make up the triple assesment?
Clinical history and examination
Imaging
Pathology sampling
What is mammography?
Low dose x ray designed specifically to maximise contrast between breast tissues
Main benefit of mammography?
Only technique that reliably visualises microcalcifications
What are microcalcifications associaed with?
30% invasive cancers
Almost all DCIS
Mammogram views available?
Mediolateral oblique Craniocaudal Extended CC Axillary tail view Magnification
When are magnified views used?
To see microcalcification
CC and lateral views
Features of malignant calcifications?
Distribution
Cluster shape/size
Individual particle shape
Pleomorphic nature
When is MRI used?
Only when tissue cannot be biopsied
indications for ultrasound?
Characterising mammogram findings
Palpable lesion women less than 40
Nipple discharge
Response to chemo
Features of benign solid nodules?
Circumscribed Wider than tall Homogenous Peripheral Often multiple
Features of malignant solid nodules?
Poorly circumscribed Hypoechoic Taller than wide Spiculate Oedema
