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Cytologies
Clin Path
| Question | Answer |
|---|---|
| What types of cells are considered to be 'exfoliative cytology'? | Those from body fluids or from the body's surface |
| What is the primary purpose of cytology evaluation? | differentiate inflammation from neoplasia |
| What is the evaluation of cellular architecture? | histopathology |
| What is the evaluation of individual or small groups of cells? | cytology |
| Why are ear cytology slides heat fixed? | melts the wax and fixes the cells |
| Scrapings are useful for collection of cells from _________________. | firm lesions |
| Imprints are done to collect what 2 things? | yeast and bacteria |
| What is the norma flora on the body? | staph intermedius |
| Is staph OR strep found in clusters? | staph |
| Is staph OR strep found in chains? | strep |
| What type of preparation involves preparing 4-6 slides? | Tzanch Prep |
| True or false. Fine Needle biopsies are a sterile procedure. | false (Not usually) |
| What size needle is used for an aspiration? | 21-25g (The smaller the better) |
| What size syringe is used for an aspiration? | 3-20ml |
| True or false. The smaller a syringe, the less vacuum pressure is has. | False |
| What is a non-aspirate procedure? | Aspirate minus the syringe (No vacuum pressure) |
| What is another name for the non-aspirate procedure? | capillary technique or stab technique |
| What gauge needle is used for non-aspirate procedures? | 22g |
| True or false. Non-aspirate procedures are used for small masses. | true |
| What type of aspirate almost never dries completely and is diagnostic for this trait? | Lipomas |
| True or false. The animal does not need to be under anesthesia for tissue biopsy collection. | False |
| What should never be done before collecting a tissue biopsy? | scrubbing the lesion or disrupting the surface |
| What is the preservative of choice for histopathology? | 10% formalin |
| What is used to flush biopsy specimens once collected? | endoscope with sterile saline |
| How are elliptic specimens commonly obtained? | scapel |
| What term refers to the sample collected via a wedge biopsy that includes a cross section of the normal and the affected tissue? | transition zone |
| What is the most common type of biopsy punch? | keyes cutaneous |
| What are the 3 sizes available for the keyes cutaneous punch? | 4, 6, and 8mm |
| How many sutures are required for a 6 or 8 mm keyes punch biopsy? | 1-2 sutures |
| How many punch biopsies should be collected of various lesions? | 2-3 |
| What is another name for a paracentesis? | abdominocentesis |
| What is the most commonly used needle gauge when performing a centesis? | 21g |
| Where is the needle inserted for a thoracocentesis? | between the 7th or 8th intercostal |
| What postion must an animal be in for an abdomincentesis? | standing or lateral |
| What term refers to thick, colored/cellular fluid from the body? | exudate |
| What term refers to clear, thin, watery fluid that is often amber colored and from the body? | transudate |
| What are the 4 methods of collecting mucus from the respiratory tract? | percutaneous, orotracheal, nasal flush, and bronchoalveolar lavage |
| What type of mucus collection technique involves insertion of a needle into the trachea to infuse saline until the animal coughs? | percutaneous |
| What type of mucus collection technique involves placing an ET to collect fluid via the jugular or urinary cath? | orotracheal |
| What is the best technique used for collecting samples from the lower respiratory tract? | bronchoalveolar lavage |
| What is the best collection technique for upper respiratory tract? | nasal flush |
| What is the preferred method for bronchoalveolar lavage? | bronchoscopy |
| True or false. Mucus samples should be centrifuged at a low speed. | True |
| What is another name for "Squash Prep" slide technique? | compression preparation |
| What slide technique produces a slide with a compression, a smear and an untouched center? | combination technique |
| What type of slide technique is formed with a needle but requires a thicker layer of cells/tissue? | starfish |
| What is the preferred fixative for cytology specimens? | 95% methanol |
| How long should cytology slides remain in fixative? | 2-5 mins |
| What type of stains are used for cytologies? | romanowsky stains |
| What type of tubes should cytologic samples be collected into? | EDTA |
| What type of cytologic smear has a straight abrupt edge? | line smear |
| What type of cytologic smear has a feathered edge similar to a blood smear? | wedge smear |
| What 3 things influence selection of cytologic smear technique? | cellularity, viscosity and homogeneity |
| What are the 2 primary WBCs seen in cytologic samples involving inflammation? | neutrophils and macrophages |
| What type of inflammation involves large numbers of neutrophils (>85%)? | Suppurative (Purulent) |
| What type of inflammation involves more than 15% macrophages? | granulomatous |
| What type of inflammation contains phagocytized material? | septic inflammation |
| How many abnormal nuclear configurations are required to be identified as malignant? | 3 or more |
| What type of tumors are highly cellular such as carcinomas? | epithelial cell tumors |
| What type of tumors are usually less cellular and have wispy spindles such as sarcomas? | mesenchymals |
| What type of tumors are mast cell tumors and histiocytomas? | round cell tumors |
| What type of lymphocyte is a normal response to antigenic stimulation? | reactive lymph node |
Created by:
fadedfaithless
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