Radiology and Cytology of the Breast Flashcards
what is cytology
a microscopic exmaination of a thin layer of cells
how do you obtain a sample for ctyology
fine needle aspiration
direct smear from nipple discharge
scrape of the nipple with scapel
what is FNA technique
23g needle
examine and locate the lump
what is FNA technique
23g needle examine and locate the lump swab area get between fingers insert need aspirate use negative pressure put onto a slide
what are important considerations in FNA
patient comfort-chaperone
safety- gloves, dispose of needle
what does benign cytology look liek
low cellularity
cohesive groups of cells
flat sheets of cells
cells are uniform size
what does malignant cytology look like
high cellulairty
loss of cohesion
crowding
absence of bipolar nuclei
what is the arrangement of tubular carcinomae
cells arranged in tubes
what is the cytology scoring system
C1-unsatisfactory c2- benign c3-aytpia c4-suspcious c5-maligannt
how are cysts cured
usually aspiration is enough
what are complications of FNA
pain
haematoma
fainting
what do you do with nipple lesions
spread directly onto a slide
what is a core biospy
cut made in the skin
more invasive