Unit 3 Pictures Flashcards
This is a picture of a rumen. What lesion is shown here?
Acute, multifocal to coalescing ulcerative ruminitis
This is a liver. What lesion is shown here?
multifocal hepatic abscesses
This is the stomach of a horse. What lesion is shown here?
equine gastric ulceration
What lesion is shown here?
enamel hypoplasia
What lesion is shown here?
enamel hypoplasia with a retained deciduous tooth
What lesion is shown here?
enamel hypoplasia
What lesion is shown here?
enamel hypoplasia in cattle due to fluorine toxicosis
What are the arrows pointing to here?
ulceration of the tongue and oral mucosa due to sharp enamel points
What is shown here?
cleft palate
What lesions are shown here?
oral vesicles and ulcers
What lesion is shown here?
oral necrobacillosis due to fusobacterium necrophorum
What disease process are these lesions associated with?
Uremia
What are these lesions associated with?
a fungal infection
What causes these lesions?
Orf - contagious ecthyma
What lesions are shown here?
eosinophilic granulomas
What is the causative agent of these lesions?
Actinobacillus lignieresii
What lesions are shown here?
gingival hyperplasia
What lesions are shown here?
peripheral odontogenic fibroma
What lesions are shown here?
oral squamous cell carcinoma
What lesion is shown here?
oral malignant melanoma
What lesion is shown here?
oral fibrosarcoma
What lesions are shown here?
Acanthomatous ameloblastoma
What lesion is shown here?
esophageal obstruction with associated ulceration of theesophageal mucosa
What lesion is here and what is the causative agent?
ulcerative esophagitis due to mucosal disease (BVD)
What legion is shown here and what is the causative agent?
ulcerative esophagitis due to MCF
What lesion is shown here and what is the causative agent?
linear ulcerations due to reflux esophagitis
What lesion is shown here?
esophageal stricture
What lesion is shown here and what is the causative agent?
esophageal granuloma due to spirocerca lupi
What lesion is shown here and what is the causative agent?
esophageal osteosarcoma due to spirocerca lupi
What lesion is shown here and what is the causative agent?
severe fibrinosuppurative pericarditis due to hardware disease
What lesion is shown here?
necrobacillosis due to Fusobacterium necrophorum
What clinical syndrome is shown here?
bloat
What are these?
bots
What lesion is shown here?
gastric dilation-volvulus
What lesion is shown here and what is the causative agent?
severe, chronic, disseminated nodular, abomasitis due to Ostertagia
This is a stomach. What lesion is shown here?
gastric ulceration
What lesion is shown here?
gastric carcinoma
This is the stomach of a cat. What lesion is shown here?
feline gastric lymphoma
What lesion is shown here? (The slide is from an intestine)
atrophic enteritis
What lesion is shown here?
ulcerative entercolitis due to salmonella typhimurium
Increased vascular permeability led to this lesion
What lesions are shown here?
distension of villus lacteals accompanied by distension of submucosal, serosal, and mesenteric lymphatis due to intestinal lymphagiectasia
What lesion is shown here and what is the causative agent?
segmental hemorrhagic enteritis due to Clostridium perfringens
What lesion is shown here and what is the causative agent?
necrohemorrhagic enteritis +/- emphysema due to Clostridium perfringens type C
What lesion is shown here?
segmental necrohemorrhagic enteritis due to Clostridium perfringens
What lesion is shown here?
fibrinonecrotic enteritis
What lesion is shown here?
fibrinonecrotic enteritis
What is the pathogenesis of Salmonella infection?
See picture
What lesion is shown here and what is the cause?
fibrinonecrotic (ulcerative) enterocolitis due to Salmonella
What lesion is shown here and what is the cause?
Fibrinonecrotic (ulcerative) colitis due to salmonella
What lesion is shown here?
fibrinonecrotic (ulcerative) enterocolitis
What lesion is shown here?
the proliferative form of Lawsonia intracellularis infection
What lesion is shown here?
the proliferative and necrotizing form of Lawsonia intracellularis infection
What lesion is shown here?
The proliferative and hemorrhagic form of Lawsonia intracellularis infection
This is the ileum. What lesion is shown here and what is the causative agent?
A thickened, corrugated ileum due to Jonhe’s disease
Which one of these is due to Lawsonia intracellularis and which one is due to Johne’s disease?
Top: Lawsonia intracellularis
Bottom: Jonhe’s disease
What is the causative agent of these lesions?
Coronavirus
What lesion is shown here and what is the causative agent?
‘paintbrush’ serosal hemorrhages and entertitis caused by Parvovirus
What lesion is shown here and what is the causative agent?
Congested mucosa with hemorrhagic contents - due to parvovirus
What causative agent causes these lesions?
BVD
What lesion is shown here and what is the causative agent?
intestinal plaques due to ovine coccidiosis
What lesion is shown here and what is the causative agent?
proliferative and ulcerative colitis due to coccidiosis
What lesion is shown here and what is the causative agent?
fibrinonecrotic enteritis due to coccidiosis
This is from a horse. What lesion is shown here and what is the cause?
arteritis and strongylus vulgaris
This is from a horse. What lesion is shown here and what is the cause?
focal infarction due to strongylus vulgaris
This is from a 2 year old Mare with a 1-day history of colic. What could cause the multifocal segmental small intestinal changes?
strongylus vulgaris
What lesion is shown here?
intestinal neoplasia
What lesion is shown here?
intestinal carcinoma
What lesion is shown here?
intussusception
What lesion is shown here?

intussusception with a venous infarction and compression of mesenteric veins
What lesion is shown here?
segmental intestinal venous infarction due to a volvulus
What lesion is shown here?
a colon torsion causing a venous infarction
What lesion is shown here?
pedunculated lipoma
What lesion is shown here?
intestinal strangulation due to a pedunculated lipoma
What lesion is shown here?
an internal hernia
What lesion is shown here?
inguinal hernia
What lesion is shown here?
umbilical hernia
What lesion is shown here?
peritonitis with hyperemia of serosal surfaces and fibrin on serosal surface
What is the pathogenesis of FIP?
See picture
What lesion is shown here and what is the causative agent?
multifocal pyogranulomas in the intestinal serosa and omentum due to FIP - the wet form
These are all lesions from a cat. What are they associated with?
FIP the dry form
This is from a cat. What lesion is shown here?
pancreatic tumor with peritoneal implantation
What lesion is shown here?
Perotinitis due to an intestinal rupture
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