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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 ______.
increase in size of an organ or in a select area of tissue
abnormal increase in the # of cells (increase in mitosis)
pathological process that results in the formation and growth of a tumor
tumor, benign or malignant
change in the type of adult cells in a tissue to a form that is abnormal for that tissue
abnormality of development, alterations in size, shape, organization of adult cells (non cancerous)
cancer cells that divide rapidly, & bear little to no resemblance to normal cells
microscopic appearance of nuclear chromatin
what are the 8 methods to collect a sample?
- transtracheal/bronchial wash
- nasal flush
swab is used to determine ______ in females, eval. ______ & ______ dz, ______ cytology, ______ tracts
- stage of estrous
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?
what 3 things are tested for with scraping?
what is the advantage of doing a skin scrape?
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?
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