GI Gross Lesions from Lecture 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
