FNA and Cytology Sampling Techniques

what are the two things that cytology can’t tell you

the location or structure

what are the 4 things relevant to surgery as advantages to cytology

consider margins wide and deep

how many surgeries for large masses

vascular like thyroid then cauterise

attached to other stuff

why is non-suction better than suction

less cell damage

give two types of washes

tracheal/bronchoalveolar lavage

prostatic wash

which sort of fluid does a horse have more of

peritoneal fluid

which needles to use

21 blue Gauge

23 green Gauge

give 3 areas that require surgical preparation

abdominal cavities

spine

joints

what is the name of the rapid FNA technique

woodpecker

what is the name of the part of the needle where the material collects

hub

how much air into the syringe

2-3 ml

how fast should a smear be done

quickly as there will be less cell damage if done when wet, and is easier to do

what is the name of the other two smearing techniques

line preparation

starfish preparation

what should you do with the cut surface before an impression smear

grip with forceps and blot with paper to remove excess blood

how often should you replace stains

monthly

what are the labels required

species, name, unique identifier, site sample, date

what are the three types of cell in neoplasia

epithelial

round

spindle

what are the two cells that look like malignant neoplasia but are inflammation

fibrocytes and mesothelial cells