Lung Pathology V

Question 1

anaerobic oral flora**

Answer 1

bacteroides
prevotella
fusobacterium
peptostreptococcus

aspiration pneumonia

Question 2

aspiration pneumonia

Answer 2

anaerobe, aerobes, gram -, gram +

Question 3

necrotizing pneumoniae

Answer 3

often with aspiration

-anaerobes

Question 4

two patterns of bacterial pneumonia

Answer 4

bronchopneumonia and lobar

Question 5

early pneumococcus

Answer 5

bronchopneumonia

Question 6

late pneumococcus

Answer 6

lobar

Question 7

stages of pneumococcal lobar pneumonia

Answer 7

• edema and congestion
• hemorrhage
• macrophages hepatization

Question 8

hepatization

Answer 8

can occur with lobar pneumonia

red and white

Question 9

viral pneumonia

Answer 9

pandemic H1N1
SARS
bird flu

antigenic shift** - animal virus recombination

antigenic drift - minor mutation

Question 10

pulmonary abscess

Answer 10

staph aureus
mixed - with anaerboes
-bacteroides fragilis, fusobacterium, peptococcus

Question 11

common cause pulmonary abscess

Answer 11

aspiration

• standing - right lower lobe
• lying - left upper lobe

Question 12

ascending infection

Answer 12

transcervical

• inhale amniotic fluid
• bacterial and viral

Question 13

hematologic infection

Answer 13

transplacental
-parasitic, viral, few, bacterial

TORCH - toxoplasma, rubella, cytomegalovirus, herpes, treponema pallidum

Question 14

post deliver infection 0-7 days

Answer 14

group B strep and E. coli

Question 15

post delivery infection 7-90 days

Answer 15

listeria and candida

Question 16

most common cause of bronchiolitis and pneumonia in children <1 year

Answer 16

respiratory syncytial virus

associated with otitis media

CXR - hyperinflated lung fields

Question 17

chronic pneumonias

Answer 17

often granulomas

Question 18

tuberculosis

Answer 18

ghon complex - parenchymal lesion with involved lymph node

secondary infection - reactivation of walled off lesion - apical (high O2)
-cavitary caseous necrosis

Question 19

miliary TB

Answer 19

tubercle erodes into vessel - widespread

Question 20

TB without granulomas

Answer 20

seen in immunosuppressed

Question 21

michigan, ohio fungal pneumonia

Answer 21

histoplasma capsulatum

-small

Question 22

west, mexico, california fungal pneumonia

Answer 22

cocciodes immitis

-large

Question 23

georgia, NC, SC

fungal pneumonia

Answer 23

blastomyces dermatidis

medium size

Question 24

histoplasma capsulatum

Answer 24

michigan, ohio

coin lesion

budding yeast

smaller than RBC

Question 25

blastomyces dermatidis

Answer 25

georgia, NC, SC

larger than neutrophils

thick wall and nuclei

Question 26

cocciodes immitis

Answer 26

west, mexico, cali

contain endospores

Question 27

silver stain, budding yeast with narrow based budding

Answer 27

histoplasmosis

Question 28

silver stain broad based budding

Answer 28

blastomycosis

Question 29

HIV pulmonary pneumonia

Answer 29

pneumocystitis jirovecii

also CMV
and mycobacterium avium complex

Question 30

HIV diffuse pneumonia

Answer 30

pneumocystis jirovecii

Question 31

HIV focal pneumonia

Answer 31

aspergillus

candida

Question 32

chronic rejection of lung transplant

Answer 32

bronchiolitis obliterans

Question 33

cough up foamy cotton candy exudate and cup and saucer organisms

Answer 33

pneumocystits jirovecii

HIV positive

Question 34

large nuclear inclusions

Answer 34

CMV

Question 35

sphagetti and meatballs

Answer 35

candida

Question 36

septate hyphae at 45 degree branching

Answer 36

aspergillus

Question 37

primary lung malignancy

Answer 37

most who develop - die

Question 38

benign neoplasms of lung

Answer 38

hamartoma
inflammatory myofibroblast

uncommon