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31 Cards in this Set
- Front
- Back
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pathology |
study of disease processes; structural & functional changes that cause or are caused by disease |
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etiology
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cause of a disease; inherited or acquired
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pathogenesis
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mechanism of development; seq of events leading to disease
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morphologic changes
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structural changes in cells and organs
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clinical significance
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functional consequences of changes
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inherited etiology
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genetic defects
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acquired etiology
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infectious
chemical nutritional physical |
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gross changes
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macroscopic, seen by naked eye
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histologic changes
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microscopic
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pathognomonic
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abnormality only found in one condition
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sign
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evidence of disease discovered by physician or abnormalities upon physical examination
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symptom
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patient's subjective observations
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prognosis
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expected outcome:
good = likely recovery bad = permanent disability or death |
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general pathology
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study of general reactions to insults and injuries that are basic to all disease processes
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systemic pathology
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study of specific disease processes as they effect certain organs and systems
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applied pathology
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anatomic
clinical forensic |
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anatomic pathology
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diagnosis by examination of tissues:
necropsy surgical cytopathology |
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necropsy pathology
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study of cadavers to find causes(s) of death
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surgical pathology
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examination of excised tissues from living patients for diagnosis --> biopsy
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cytopathology
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study of individual cells (detect malignant cells)
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clinical pathology
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analysis of various patient specimens for diagnosis, therapy, and monitoring
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forensic pathology
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medicolegal investigation of death
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biopsy
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examination of tissue from living body for determination of existence or cause of disease: -closed
-open -excisional |
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closed biopsy
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needle or core biopsy:
-obtain material from mass via needle -very small amount |
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open biopsy
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incision made to obtain larger mass of tissue
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excisional biopsy
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mass or entire organ removed for diagnosis
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FNAC
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fine needle aspiration cytology:
thin bore needle used to obtain cells from superficial mass or deep mass lesions |
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surgical pathology methods
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gross examination - fixation (formalin) - tissue processing, embedding & sectioning - staining - coverslipping - microscopic examination
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gross examination
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-determine the organ -determine what is wrong
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hematoxylin staining
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blue - nuclei, nucleoli, bacteria, calcium, etc
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eosin staining
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pink - cytoplasm, collagen, fibrin, colloid, etc
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