GI Gross Lesions from Lecture Flashcards by Jessica Carson

Q

This is a picture of a rumen. What lesion is shown here?

A

Acute, multifocal to coalescing ulcerative ruminitis

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Q

This is a liver. What lesion is shown here?

A

multifocal hepatic abscesses

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Q

This is the stomach of a horse. What lesion is shown here?

A

equine gastric ulceration

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Q

What lesion is shown here?

A

enamel hypoplasia

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Q

What lesion is shown here?

A

enamel hypoplasia with a retained deciduous tooth

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Q

What lesion is shown here?

A

enamel hypoplasia

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Q

What lesion is shown here?

A

enamel hypoplasia in cattle due to fluorine toxicosis

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Q

What are the arrows pointing to here?

A

ulceration of the tongue and oral mucosa due to sharp enamel points

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Q

What is shown here?

A

cleft palate

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Q

What lesions are shown here?

A

oral vesicles and ulcers

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Q

What lesion is shown here?

A

oral necrobacillosis due to fusobacterium necrophorum

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Q

What disease process are these lesions associated with?

A

Uremia

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Q

What are these lesions associated with?

A

a fungal infection

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Q

What causes these lesions?

A

Orf - contagious ecthyma

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Q

What lesions are shown here?

A

eosinophilic granulomas

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Q

What is the causative agent of these lesions?

A

Actinobacillus lignieresii

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Q

What lesions are shown here?

A

gingival hyperplasia

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Q

What lesions are shown here?

A

peripheral odontogenic fibroma

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Q

What lesions are shown here?

A

oral squamous cell carcinoma

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Q

What lesion is shown here?

A

oral malignant melanoma

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Q

What lesion is shown here?

A

oral fibrosarcoma

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Q

What lesions are shown here?

A

Acanthomatous ameloblastoma

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Q

What lesion is shown here?

A

esophageal obstruction with associated ulceration of theesophageal mucosa

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Q

What lesion is here and what is the causative agent?

A

ulcerative esophagitis due to mucosal disease (BVD)

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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 lesion is shown here?

Perotinitis due to an intestinal rupture

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