Gross Pathology of Respiratory System 3

Question 1

Dimorphic fungi that causes diffuse granulomatous sinusitis

Answer 1

Cryptococcus neoformans

Question 2

Morph for any dimorphic fungi in the lung

Answer 2

Fibrosis and coalescing granulomas

Question 3

Four dimorphic fungi

Answer 3

Cryptococcus
Blastomyces
Histoplasma
Coccidioides

Question 4

Two fungi that cause guttural pouch mycosis

Answer 4

Aspergillus nidulans
Aspergillus fumigatus

Question 5

What predisposes horses to aspergillus infection?

Answer 5

Salmonella (GI dz–>fungal sepsis–>embolic pneumonia)

Question 6

What fungus do we see in immunocompromised horses?

Answer 6

Pneumocystis equinus

Question 7

Dematiaceous fungus that causes pigmented granulomas in lungs and brain of poultry

Answer 7

Ochroconis gallopava

Question 8

Protozoal disease in wallabies and kangaroos

Answer 8

Toxoplasma gondii

Question 9

Cat with icterus, big spleen, and lung hemorrhages most likely has

Answer 9

Cytauxzoon felis

Question 10

Cause of mucoid conjunctivitis, proliferative epithelium throughout upper respiratory tract of poultry

Answer 10

Cryptosporidium baileyi

Question 11

Parasite found in larynx of ox

Answer 11

Mammomonogamus laryngeus (spirurid strongyle)

Question 12

Tracheal worm of quail and poultry

Answer 12

Syngamus trachei (nematode, strongyle)

Question 13

Canine lung worm with characteristic appearance

Answer 13

Oslerus osleri

Question 14

Gross finding with distemper and heartworm

Answer 14

Over-inflated, brown lungs

Question 15

Differentials for parasitic eosinophilic pneumonia in dog

Answer 15

Filaroides hirthi
Andersonstrongylus milksi
Larval ascarid migration

Question 16

Lung worm of cat causing multifocal to coalescing granulomatous inflammation and atelectasis

Answer 16

Aelurostrongylus abstrusus

Question 17

Two important lung metastrongyles in small ruminants

Answer 17

Muellerius capillaris
Protostrongylus rufescens

Question 18

Trichostrongyle in caudal airways of small ruminants

Answer 18

Dictyocaulus filaria

Question 19

Trichostrongyle in caudal lung of horse

Answer 19

Dicytocaulus arnfieldii

Question 20

Trichostrongyle in caudal lung of cattle or deer

Answer 20

Dictyocaulus viviparus

Question 21

Aphasmid lungworm in a fox

Answer 21

Eucoleus aerophilus

Question 22

Strongyle lungworm of seal

Answer 22

Otostrongylus circumlitus

Question 23

Lungworms in snake or frog

Answer 23

Rhabdius spp.

Question 24

Trematodes that live in pairs within large cysts in lung of cat (2)

Answer 24

Paragonimus kellicotti
Paragonimus westerii

Question 25

Cestode that forms hydatid cyst in lung of animal other than dog

Answer 25

Echinococcus granulosus

Question 26

Pentastome of mammals

Answer 26

Linguatula serrata

Question 27

Pentastomes (2) of reptiles

Answer 27

Porocephalus crotalus Armilifer armilatus

Question 28

Arthropod parasite of nasal cavity of sheep

Answer 28

Oestrus ovis

Question 29

Nasal bot fly of camels

Answer 29

Cephalopsis titillator

Question 30

Tracheal mite of Lady Gouldian finches

Answer 30

Sternostomum tracheacolum

Question 31

Air sac mite in poultry and passerines

Answer 31

Cytodites nudus

Question 32

Lung mite of NHPs

Answer 32

Pneumonyssus simicola

Question 33

Differentials for bovine atypical interstitial pneumonia due to toxins

Answer 33

L-tryptophan (lush green pastures) 4-ipomeanol (moldy sweet potatoes) Perilla ketone Brassica Strinkwood Moldy beans, rapeseed

Question 34

Moldy corn poisoning in horses is caused by which toxin? Gross lesion? What does it cause in pigs?

Answer 34

Fumonisin B1; leukoencephalomalacia; atypical interstitial pneumonia

Question 35

What gross lesions are seen with Crotalaria toxicity in horses? What's the toxin?

Answer 35

Massive interstitial fibrosis and pulmonary neovascularization; pyrrolizidine alkaloids

Question 36

Gross lesions caused by metastatic calcification due to renal disease

Answer 36

Calcification of muscles (intercostal), alveolar septa (pneumonitis),

Question 37

Gross lesions with Recurrent Airway Obstruction (Equine Asthma)

Answer 37

Heave line (diaphragmatic hypertophy), hyperinflation of lung, bronchiolar infiltrate (small airway disease)

Question 38

Gross lesions with feline asthma

Answer 38

Air trapping, smooth muscle hyperplasia, and submucosal gland hyperplasia Eosinophilic inflammation on histo