Respiratory Cytology

Question 1

what are the most common sample?

Answer 1

respiratory washes
tissue biopsy
pleural effusions

Question 2

what should you do after collecting respiratory washes?

Answer 2

evaluate immediately
prepare direct smears
concentrate sample if needed

Question 3

mucus plugging in lower airways produces _________________________

Answer 3

curschmann’s spirals

Question 4

what are we looking for when we sample the airways?

Answer 4

inflammatory patterns: neutrophilic, lymphocytic, macrophagic, eosinophilic

Question 5

if you collect a neutrophilic sample, what does that mean?

Answer 5

inflammatory, but very non-specific

Question 6

if you collect a macrophagic sample, what does that mean?

Answer 6

larger particles
fungal or atypical pathogens

Question 7

if you collect an eosinophilic sample, what does that mean?

Answer 7

hypersensitivity/allergic reactions
parasitic disease
neoplasia

Question 8

if you find squamous epithelial cells and Simonsiella-like bacteria in the lungs, what does this indicate?

Answer 8

aspiration pneumonia

Question 9

what is a small yeast that can impact the lungs?

Answer 9

Histoplasma capsulatum

Question 10

what is a large yeast that can impact the lungs?

Answer 10

Blastomyces spp

Question 11

what is a huge yeast that can impact the lungs?

Answer 11

Coccidioides immitis

Question 12

what can cause fungal rhinitis (especially noses of cats)?

Answer 12

Cryptococcus spp

Question 13

what can cause fungal rhinitis in a dog?

Answer 13

Aspergillosis

Question 14

what can cause verminous pneumonia?

Answer 14

Aelurostrongylus abstrusus
Crenosoma vulpis (fox worm)

Question 15

what are some causes of hemorrhage in the lungs?

Answer 15

exercise-induced pulmonary hemorrhage
chronic hemorrhage: pulmonary carcinoma

Question 16

what type of cancer is common in bernese mountain dogs?

Answer 16

histiocytic sarcoma