Breast Imaging Flashcards
why does the breast have to be compressed in an MMG?
has to be immobilised as x ray is of low exposure
breast needs to be of a uniform thickness
what colour is fibroglandular tissue on MMG?
white
what colour is fat on MMG?
grey
what women have lots of fibroglandular tissue?
young women (dense breasts)
what women have lots of fatty tissue?
older women
increased breast density presents with a ____ risk of breast cancer
increased
advantages of mammography?
images the whole breast
high sensitivity for DCIS and invasive cancer
reduces population mortality
1st sign of DCIS on MMG?
calcification
what benign breast disease can cause calcification?
ductal ectasia
when is tomosynthesis used in breast imaging?
NOT for screening
women with symptoms or something picked up on screening
what is contrast enhanced spectral mammography?
take a high energy image and a low energy image then subtract them from one another
most important imaging method for symptomatic women?
USS
indications for USS in breast medicine
palpable mass MMG detected lesion image guided biopsy breast inflam breast problems in pregnancy
a solid lump can be differentiated from a cystic lump on USS T or F
T
what structures form disordered collagen seen in cancer
fibroblasts around the cancer, not the cancer itself