Pathology of the Respiratory System

Question 1

What are some ways you can sample the respiratory tract?

Answer 1

Nasal Swab
Paranasal Trephination
Tracheal Aspiration
Bronchoalveolar Lavage
Ling Biopsy
Thoracocentesis
Necropsy

Question 2

What are some diseases of the nasal cavity?

Answer 2

Herpes - Cats
Atrophic Rhinitis - Swine
Actinomyces - Bovine
Asperillus - Dog and horse
Cryptococcus - cat
Adenocarcinoma
SSC
Mesenchymal Tumor - chondrosarcoma/osteosarcoma
Tooth Tumor

Question 3

What does cryptococcus look like and who does it effect?

Answer 3

Granulomatous rhinitis
mass through cribriform plate and herniating
Cats/Horses

Question 4

Who gets atropic rhinitis and what does it present as?

Answer 4

Swine
Twisted snout
Secondary Pneumonia

Bordatella bronchiseptica and Pasturella multocida

Question 5

Who gets aspergillus fumigatus and what does it present as in the nasal cavity?

Answer 5

Dogs
Fibronecrotizing rihnints
Swab - fibrin and fungal infeciton
Tumor ulcerated and fungus on it
(ice burg - consider other factors)

Question 6

Who gets chronic epistaxis?

Answer 6

Horses
Look like mass
Inflammatory or neoplastic
-Undetermined cause

Question 7

How do you treat and diagnose sinusitis in a horse?

Answer 7

Trephination
-Wash (strep)
-Difficult to treat

Question 8

What is a disease of the lower airways that causes necrotic laryngitis?

Answer 8

Fibronectrotic laryngitis
Fusobacterium necrophorum and Histophilus somni

Question 9

What is a disease that causes diffuse fibro necrotic phayngitis and tracheitis?

Answer 9

Bovine Herpes 1
Equine Herpes 1
ILT
Merks

Question 10

What parasite is an incidental finding in the large airways that caueses Inflammation and mucus?

Answer 10

Dictyocalus viviporus ( lung worm)

Question 11

You have a calf die and you notice a fibrinous tracheitis..what casued this?

Answer 11

Contaminated tube (went wrong way) lead to herpes

Question 12

How would you describe a normal lung?

Answer 12

Pink, soft, fills the cavity but has a little space so that it doesn’t touch the ribs

Question 13

How would you describe suppurative bronchopneumonia?

Answer 13

Cranioventral and firm

Question 14

How would you describe fibrinous bronchopneumonia?

Answer 14

Fibring (yellow) and cranioventral and firm

Question 15

How would you describe Interstitial pneumonia?

Answer 15

Diffuse and elastic

Question 16

How would you describe embolic pneumonia?

Answer 16

Multifocal and nodular

Question 17

How would you describe granulomatous penumonia?

Answer 17

Multifocal and nodular

Question 18

What are the common causes of pneumonia in each species?
-Bovine
-Equine
-Canine
-Porcine
-Feline

Answer 18

-Bovine- PI3, BRSV, IBR, BVD, Manhemia Hemolytica, Pasturella multocida, histophilus somni, mycoplasma and truperella

-Equine - Influenza, herpes, viral arteritis, rhiovirus, strep equi zooepidemicus

-Canine - Influenza, parainfluenza, distemper, coronavirus, adenovirus, bordatella bronchisepticum , s. zoo, mycoplama

-Porcine - PRRS, PCV2, Infleunza, Aujuezki

-Feline - FHV1 and Calicivirus

Question 19

What is a big cause of bronchopenumia in bovine?

Answer 19

Manhemia haemolytica
-Fibrinous bronchopenmonia

Question 20

What kind of pneumonia is ovine Enzootic penumonia? What are some factors that result in it?

Answer 20

Supperative bronchopenumonia

crowding, temp, air, stress

RSV, BPIV, Adenovirus

Manhemia, pasturella, mycoplasma, histophilus somni

Question 21

What causes bronchopneumonia in pigs?

Answer 21

Impairment of pulmonary defense mechanism - enviromental, crowding, temp, stress

Mycoplasma

Question 22

What can cause supperative and fibrinous bronchopneumonia in caudal aspect of pig lung?

Answer 22

Actinobacillus pleuropneomia

Question 23

What causes finrinous polyserositis in pigs?

Answer 23

• Glassers Disease
  -Strep
  -Mycoplasm
• e.coli

Question 24

What may cause supperative bronchopenumonia in a horse?

Answer 24

Cranioventral
Strep zoo ( fibrionous pleuropneimoa)

can turn into pulmonary abcessess and necrosis

Question 25

What is the common location of pneumonia in dogs and cats and pathogens?

Answer 25

Secondary Cranioventral Pasturella, strep, e.coli, klebsiella, bordatellla (Shelter cat), strep zoo - dog

Question 26

What is a cause of intestinal pneumonia in pigs?

Answer 26

Fog Fever Atypical intertial pneumonia -Edema - distension of interlobular septa and bubble

Question 27

Can cattle get fog fever?

Answer 27

Yes - from being on pasture 2-3 week with lots of L-tryptophan

Question 28

What is a cause of interstitial pneumonia in sheep?

Answer 28

OPP and CAE -Sheep OPP more common -Slowly progressive intertial pneumonia, encephalitis, arthritis and mastitis

Question 29

What is a cause of interstitial pneumonia in a pig?

Answer 29

Checked board pattern - no collateral ventilation - isolate in bronchial effected -Viral -PRRS, SIV

Question 30

What is a cause of interstitial pneumonia in horses?

Answer 30

Equine multinodulary pulmonary fibrosis - Equine herpes

Question 31

What causes interstial pneumonia in dogs and cats?

Answer 31

DHPP, Parainfluenza, Adenovirus, Infleunza and herpes Cat - FEHV and calicivirus

Question 32

What is one thing that should always be on your differential list for a cow with granulomatous pneumonia?

Answer 32

Tuberculosis mycobacterium bovis

Question 33

What causes granulomatous pneumonia in a horse?

Answer 33

Rhodococcus equi

Question 34

What causes granulomatous pneumonia in sheep

Answer 34

Muellerius

Question 35

What causes granulomatous pneumonia in dogs and cats?

Answer 35

Fungal - histo, blasto, crypto, coccidiodies Cat: FIP and cornonavirus

Question 36

What causes embolicpneumonia in bovine?

Answer 36

Tuberculosis