Respiratory Gross Lesions from Lecture Flashcards
What lesion is shown here?
Fibrinopurulent rhinotracheitis due to IBR
What lesion is shown here?
Fibrinonecrotic rhinitis and tracheitis
What lesion is shown here? (picture on the right)
Necrosis of the airway epithelium
What lesion is shown here?
Chronic bronchopneumonia with bronchiectasis
What lesion is shown here?
Bronchiolitis obliterans
What lesion is shown here?
Atelectasis
What lesion is shown here?
Thoracic effusion filling up the ventral aspect of chest leading to ventral atelectasis.
What lesion is shown here?
Extensive atelectasis due to thoracic effusion
What lesion is shown here?
pulmonary edema
What lesion is shown here?
Emphysema
What lesion is shown here?
Interstitial bullous emphysema
What lesion is shown here?
Interstitial pneumonia
What lesion is shown here?
moderate interstitial pneumonia
What lesion is shown here?
Severe interstitial pneumonia
What lesion is shown here?
Subacute Atypical Interstitial Pneumonia: Extensive Type II pneumocyte hyperplasia
What lesion is shown here?
Diffuse interstitial pneumonia due to bacterial septicemia
What lesion is shown here?
Chronic diffuse interstitial pneumonia due to PRRSV
What lesion is shown here?
Chronic diffuse interstitial pneumonia due to ovine progressive pneumonia virus
What lesion is shown here?
Chronic diffuse pyogranulomatous interstitial pneumonias due to Blastomyces dermatitidis
What lesion is shown here?
Hematogenous - embolic pneumonia due to Trueperella pyogenes in a pig
What lesion is shown here?
Hematogenous - embolic pneumonia due to Corynebacterium pseudotuberculosis in a ewe
What lesion is shown in this slide?
Aspiration pneumonia - note the plant material in the airway
What lesion is shown here?
Bronchopneumonia
What lesion is shown here?
acute bronchopneumonia
What lesion is shown here?
Acute cranioventral hemorrhagic bronchopneumonia and fibrinous pleuritis
What lesion is shown here?
Acute fibrinopurulent bronchopneumonia with hyperemia
What lesion is shown here?

Chronic cranioventral bronchopneumonia: anteroventral lung is tan, compressed, very firm, and nodular
What lesion is shown here?
Chronic cranioventral bronchopneumonia
What lesion is shown here?
Nasal adenocarcinoma in a dog
What lesion is shown here?
Primary pulmonary carcinoma in a dog
What lesion is shown here?
hemothorax with atelectasis
What lesion is shown here?
Pleuritis and pericarditis due to Haemonchus parasuis
What lesion is shown here?
Diffuse fibrinopurulent pleuritis with atelectasis
What lesion is shown here?
Severe, shipping fever pneumonia
What lesion is shown here?
chronic fibrosing pleuritis
This is a picture of the thoracic cavity. What lesion is shown here?
Mesothelioma
What lesion is shown here?
collapsing trachea
What lesion is shown here?
Interstitial pneumonia in the posterior portion
Bronchopneumonia in the anteroventral region
What lesion is shown here?
Pypgranulomatous and hemorrhagic pleuritis due to Nocardia asteroides with moderate atelectasis
What lesion is shown here?
Lunh lobe torsion and a collapsed lung from thoracic effusion
What lesion is shown here?
Moderate turbinate atrophy with slight deviation of the median septum
What lesion is shown here?
Marked turbinate atrophy with moderate deviation of the median septum
What lesion is shown here?
secondary bronchopneumonia due to swine influenza
What lesion is shown here?
mild, patchy, AV consolidation due to Mycoplasma hyopneumoniae
What lesion is shown here?
Bacterial bronchopneumonia due to Mycoplasma hyopneumoniae with a secondary bacterial infection
What lesion is shown here
Hemorrhagic and necrotizing pleuropneumonia due to Actinobacillus pleuropneumonia
What agent causes this characteristic lesion?
Actinobacillus pleuropneumonia
What is the pathogenesis of Actinobacillus pleuropneumonia infection?
See image
What lesion is shown here?
Intersitial pneumonia due to feline calicivirus infection AND bronchopneumonia due to bordatella bronchiseptica
What lesion is shown here?
pyogranulomatous rhinitis due to cryptococcosis
What lesion is shown here?
fibrinopurulent pleuritis
What lesion is shown here?
Pleural effusion and pyogranulomatous pleuritis due to feline infectious peritonitis
What lesion is shown here?

a nasopharyngeal polyp
What lesion is shown here?
Aspiration penumonia (a type of bronchopneumonia)
What lesion is shown here?
bronchial adenocarcinoma
What lesion is shown here?
Strangles caused by strep equi
What lesion is shown here?
guttural pouch empyema
What lesion is shown here?
an ethmoid hematoma in a horse
What lesion is shown here?
guttural pouch mycosis
What lesions are shown here?
caseating pyogranulomas (abscesses) due to rhodococcus equi
What lesion is shown here?
fibrinopurulent pleuritis in a horse
What lesion is shown here?
fibrinonecrotic laryngitis due to Fusobacterium necrophorum
What lesion is shown here?
Acute fibrinous and hemorrhagic bronchopneumonia and pleuritis due to Mannheimia hemolytica
What lesion is shown here?
acute interstitial pneumonia
What lesion is shown here?
miliary, anteroventral, airway-associated caseonecrotic pneumonia due to Mycoplasma bovis
This is a lung from a cow. What are these lesions due to?
bovine respiratory syncytial virus
This is a lung from a lamb. What lesion is shown here?
bronchopneumonia in a lamb due to mannheimia hemolytica
This is a lung from an ovine. What lesion is shown here?
Chronic interstitial pneumonia due to ovine lentivirus
This is a slide from an ovine. What lesion is shown here?
Chronic diffuse lymphocytic interstitial pneumonia with perivascular lymphoid cuffs due to ovine progressive pnuemonia
What lesion is shown here?
enzootic nasal adenocarcinoma