Path 3 Flashcards Preview

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Flashcards in Path 3 Deck (35):
1

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Acute (short/days, neutrophils, edema, no fibrosis, vasodilation & permeability, fever, leukocytosis)

Chronic (long/weeks-months, lymphocytes & plasma cells, ?edema, fibrosis, neovascularization, granulation tissue, low grade fever, anemia, wt loss)

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2

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center w/ caseation necrosis

Mycobacterium tuberculosis infection

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3

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epithelioid histiocytes (macrophages) forming multinucleated Langhans Giant cells

4

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normal lung

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5

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normal lung

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6

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normal lung

7

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bronchopneumonia

-atypical pneumonia

-follows distribution of bronchi & bronchioles (patchy)

-staph aureus, klebsiella (abscess formation),

e. coli, pseudomonas, nosocomial pna

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9

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acute bronchopneumonia

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acute bronchopneumonia

11

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acute lobar pneumonia

-solid congestion, almost entirety of lung lobe

-less common than bronchopna

-pneumococcus (strep pneumoniae)

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acute lobar pneumonia

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14

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acute pneumonia

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bronchopneumonia

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lobar pneumonia

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lobar pneumonia

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Aspiration pneumonia

-usually occurs in Rt lung d/t more vertical Rt main bronchus

-type of bronchopneumonia

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19

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aspiration pna

-foreign bodies/aspirated material found w/in multinucleated giant cells/macrophages

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Complications of PNA

1. lung abscesses

2. Empyema (pus in pleural cavity)

3. Organization of exudates w/ pulmonary fibrosis

4. Sepsis

-E.g. of lung abscess

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21

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lung abscess, cavitation

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Lung abscess

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23

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Ghon complex, primary TB

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secondary TB

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25

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miliary TB

-tuberculous bronchopneumonia

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miliary TB

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miliary TB

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miliary TB, multiple granulomas

29

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langhans giant cells in TB, epithelioid cells response to granulomas

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30

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caseation necrosis in center of granuloma in TB

31

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AFB stain in TB

32

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Fungi can exist as mole (hyphae) or yeast (rounded)

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coccidiodes spherules (fungi)

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coccidioides (fungi)

35

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histoplasmosis (fungi)

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