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VTI Lab 3: Cytology
| Question | Answer |
|---|---|
| Increase in size of an organ or in a select area of tissue | Hypertrophy |
| Abnormal increase in the number of cells | Hyperplasia |
| New growth, pathological process that results in the formation and growth of a tumor | Neoplasia |
| Change in the type of adult cells in tissue to a form that is abnormal for that tissue | Metaplasia |
| Abnormality of development. Something has changed in the size, shape and organization of adult cells (non-cancerous) | Dysplasia |
| Cancer cells that divide rapidly and bear little to no resemblanace to normal cells | Anaplasia |
| Microscopic appearance of nuclear chromatin. the coarser the chromatin the greater the chance of malignancy. | Chromatin pattern |
| The most common yeast in dogs and cats | Malassezia |
| How do you view an ear swab on the microscope | Oil, 40x |
| Advantages of skin scraping | Collects many cells, and is good for collecting demodex/sacroptes mange |
| Disadvantages of skin scraping | Bad for neoplasia because you will only see secondary bacterial infections or inflammatory cells. |
| Advantages of impressions | Easy to collect and minimum restraint is required |
| Disadvantages of impressions | Few cells are obtained and large amounts of contamination |
| FNA are performed on ... | lymph nodes, nodular lesions, and internal organs |
| what needed is used for an FNA | 21 - 25 g needle and a 3-12 ml syringe |
| Most common problems of FNA | no or few cells |
| Types of slide preps | Linear/line, starfish, squash |
| Two methods of tissue biopsy | Wedge and punch |
| Stain used | NMB |
Created by:
jmorley3
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