-
what are the 4 steps we must be able to perform with cytology?
- estabolish dx
- ID dz process
- form prognosis
- direct therapy
-
cytology samples are collected _____, ______, and ______.
- quickly
- easily
- inexpensively
-
increase in size of an organ or in a select area of tissue
hypertrophy
-
abnormal increase in the # of cells (increase in mitosis)
hyperplasia
-
pathological process that results in the formation and growth of a tumor
neoplasia
-
tumor, benign or malignant
neoplasm
-
change in the type of adult cells in a tissue to a form that is abnormal for that tissue
metaplasia
-
abnormality of development, alterations in size, shape, organization of adult cells (non cancerous)
dysplasia
-
cancer cells that divide rapidly, & bear little to no resemblance to normal cells
anaplasia
-
microscopic appearance of nuclear chromatin
chromatin pattern
-
what are the 8 methods to collect a sample?
SSIFPCTN
- swab
- scrape
- imprint
- FNA
- centesis
- transtracheal/bronchial wash
- nasal flush
-
swab is used to determine ______ in females, eval. ______ & ______ dz, ______ cytology, ______ tracts
- stage of estrous
- urine
- vaginal
- ear
- fistulous
-
fistulous tract-
cavity that isnt supposed to be there
-
what is key to remember with the procedure of a swab?
ROLL the swab onto the slide
-
what is used to fix an ear sample to the slide?
heat fixing
-
what 3 things are tested for with scraping?
-
what is the advantage of doing a skin scrape?
many cells
-
what are the disadvantages to doing a skin scrape?
- more difficult to collect good specimens
- superficial cells are collected
-
what are scrapes not used on?
neoplasia
-
what is not used for a scrape sample?
oil for oil immersion
-
what are impression smears made from?
- external lesions
- tissues removed during necropsy and sx
-
where are impression smears anazlyzed at
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