GIT pics with morphologic and etiologic diagnosis

Created by reygers 

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136 terms

Pallor- unnatural lack of color in the skin (as from bruising or sickness or emotional distress)

Icterus- yellowing of the skin and the whites of the eyes caused by an accumulation of bile pigment (bilirubin) in the blood

cyanotic- blue due to low oxygen. Respiratory distress and cardiovascular distress.

palatoschisis- cleft palate, failure of fusion of lateral palatine processes

cheiloschisis-a congenital cleft in the middle of the upper lip, Hare lip. failure of fusion of lateral palatine processes

cheiloschisis-a congenital cleft in the middle of the upper lip, Hare lip. failure of fusion of lateral palatine processes

epitheliogenesis imperfecta- failure of development of skin/adnexae and oral epithelium (aplasia cutis)

epitheliogenesis imperfecta- failure of development of skin/adnexae and oral epithelium (aplasia cutis)

Skull of coyote: Piece of wood wedged in between teeth - Animal died of starvation

Kitten -Electrical Cord bite

stomatitis- inflammation of the mucous membrane of the mouth

stomatitis- inflammation of the mucous membrane of the mouth. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps. Sharp discrete & coalescing oral erosions & ulcers

vesicular exanthema- ddx FNM(Apthovirus), vesicular stomatitis(vesiculovirus), vesciular exanthema(Calicivirus), swine vesicular disease(enterovirus)-Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

vesicular exanthema- ddx FNM(Apthovirus), vesicular stomatitis(vesiculovirus), vesciular exanthema(Calicivirus), swine vesicular disease(enterovirus)-Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

Calicivirus lesions, tongue, cat. Multifocal ulcerative glossitis. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

Calicivirus lesions, tongue, cat. Multifocal ulcerative glossitis. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

Bullous pemphigoid Grossly impossible to tell from pemphigus vulgaris. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

FMD lesions involving mouth, feet & teat. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

FMD lesions involving mouth, feet & teat. Notice epithelial flaps on gums & separating hoofs. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

FMD lesions involving mouth, feet & teat. Notice epithelial flaps on gums & separating hoofs. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

FMD lesions involving mouth, feet & teat. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

Severe multifocal vesicular and erosive stomatitis. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps. ddx FNM(Apthovirus), vesicular stomatitis(vesiculovirus), vesciular exanthema(Calicivirus), swine vesicular disease(enterovirus)

Severe multifocal vesicular and erosive stomatitis. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps. ddx FNM(Apthovirus), vesicular stomatitis(vesiculovirus), vesciular exanthema(Calicivirus), swine vesicular disease(enterovirus)

Bovine

Tiger heart. Acute myocardial degeneration and lymphocytic infiltration. FNM, Apthovirus.

Gums with circular ulcers from rupture

vesicular stomatitis- inflammation of the mucous membrane of the mouth. Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.ddx FNM(Apthovirus), vesicular stomatitis(vesiculovirus), vesciular exanthema(Calicivirus), swine vesicular disease(enterovirus)

vesicular exanthema(vesicles ruptured)- ddx FNM(Apthovirus), vesicular stomatitis(vesiculovirus), vesciular exanthema(Calicivirus), swine vesicular disease(enterovirus)-Mucosal hyperemia, vesicles/bullae with rupture leaving a raw, moist base and epithelial flaps.

Uremic stomatitis, dog. Note red-brown areas of mucosal necrosis opposite sites of calculus buildup on teeth, and near the openings of salivary ducts.

sheep/goat

contagious ecthyma- ORF / PARAPOXVIRUS

sheep/goat

contagious ecthyma- ORF / PARAPOXVIRUS

proliferative stomatitis- ORF / PARAPOXVIRUS

Pig

Fusobacterium Necrophorum. Deep/necrotizing stomatitis.

Necorbacillosis.Deep/necrotizing stomatitis. Yellow gray necrotic areas caused by bacterial toxins

Subacute moderate multifocal, locally disseminated necrotizing laryngitis

Bovine

Locally extensive nectotizing glossitis, tongue, calf diphtheria. Fusobacterium necrophorum

"lumpy jaw". actinomyces bovis. osteomyelitis of mandibles.

"lumpy jaw". actinomyces bovis. osteomyelitis of mandibles.

"lumpy jaw". actinomyces bovis. osteomyelitis of mandibles.

"Noma" Fusobacterium and Borrelia vincentii. ulcerative gingivitis.

Eosinophilic stomatitides. focal granulomas or ulcers on lips, gingiva, palate, pharynx, and tongue. Flame lesions microscopically

Eosinophilic stomatitides. focal granulomas or ulcers on lips, gingiva, palate, pharynx, and tongue. Flame lesions microscopically

Lymphoplasmacytic stomatitis. Idiopathic. Gingivitis.

Canine oral papillomatosis.

Gingival hyperplasia.

Canine oral papillomatosis.

Squamous Cell Carcinoma. Nodular masses frequently ulcerated. Histologicaly- keratin pearls

Nodules of exophytic squamous cell carcinoma on the margin and bottom of the tongue (ventro-lateral surfaces).

Squamous Cell Carcinoma. Nodular masses frequently ulcerated. Histologicaly- keratin pearls

Malignant Melanoma. Firm nodules, maybe melanotic or amelanotic. Most common oral tumor of dogs.

Malignant Melanoma(amelanotic). Firm nodules, maybe melanotic or amelanotic. Most common oral tumor of dogs.

Fibrosarcoma. Gray-red, firm nodular, fleshy and often ulcerated.

Fibrosarcoma. Gray-red, firm nodular, fleshy and often ulcerated.

osteosarcoma.

brachygnathia-short mandible

prognathia-long mandible

Segmental enamel hypoplasia. Distemper, BVD, Flouride.

congenital porphyria

acuired porphyria, teracycline

hypoplasia and weakness of enamel, flouride.

Feline odontoclastic resorptive lesions. Red granulation tissue at the gingival margin. Unknown cause.

Feline odontoclastic resorptive lesions. Red granulation tissue at the gingival margin. Unknown cause.

cat

Dental attrition due to age and subnormal wear (step mouth), antelope

Infundibular impaction. Feed impacted in infudibulum is metabolized and acid demineralizes tooth.

Infundibular impaction. Feed impacted in infudibulum is metabolized and acid demineralizes tooth.

Carious tract.

Osteomyelitis (discolored yellow bone) in the maxilla around the root of a cheek tooth with infundibular necrosis - horse. This lesion can extend to cause maxillary sinusitis

Osteomyelitis (discolored yellow bone) in the maxilla around the root of a cheek tooth with infundibular necrosis - horse. This lesion can extend to cause maxillary sinusitis

peridontal disease

Dental calculus- Mineralized bacterial biofilm along w/ calcium,phosphate, calcium carbonate, food particles, & other organic matter from the saliva that forms on teeth or dental appliances. Lay term "tartar"

Dental calculus- Mineralized bacterial biofilm along w/ calcium,phosphate, calcium carbonate, food particles, & other organic matter from the saliva that forms on teeth or dental appliances. Lay term "tartar"

Gingivitis

Gingivitis with gum recession

peridontal disease, suspensory apparatus is destroyed and tooth is loosened

Epulis is a non-specific clinical term for proliferative gingival nodules such as these (="gingival fibrous hyperplasia"), comprised of both epithelial and stromal elements, adjacent to the alveolus of a tooth.

Epulis is a non-specific clinical term for proliferative gingival nodules such as these (="gingival fibrous hyperplasia"), comprised of both epithelial and stromal elements, adjacent to the alveolus of a tooth.

Epulis is a non-specific clinical term for proliferative gingival nodules such as these (="gingival fibrous hyperplasia"), comprised of both epithelial and stromal elements, adjacent to the alveolus of a tooth.

ameloblastoma- Ameloblastomas are rare tumors of the gingiva which, like this one, are locally destructive to the jaw, but do not metastasize.

Necrotizing tonsilitis

Necrotizing tonsilitis

Ulcerated squamous cell
carcinoma

Lymphosarcoma

sialocele, pseudocyst, salivary mucocele, thin walled fluid filled bubbles resulting from tauma and accumulation of saliva within the mucaose and submucosa.

RANULA Saliva accumulates within the duct, epithelial lined below the tongue on floor of mouth. Saliva differs from pus as is golden & mucoid

RANULA Saliva accumulates within the duct, epithelial lined below the tongue on floor of mouth. Saliva differs from pus as is golden & mucoid

Salivary gland carcinoma, cat. Large proliferative mass replacing normal left parotid gland

uremic glassitis

uremic ulcer.

thrush, candida albicans, oral candidiasis

acuired megaesophagus, emaciation

ulcerative esophagitis, BVD. Multifocal esophageal ulcers

Pig

mycotic esophagitis

congenital megaesophagus

acquired megaesophagus, PRAA

cat

hairball, esophageal obstruction

cat

hairball, esphogeal obstruction

horse

esophageal obstruction, apple

circumferential pressure necrosis

iatrogenic esophageal perforation. balling gun

esophageal perforation, wire

choke with circumferential pressure necrosis

esophageal perforation

esophageal stricture

circumferential pressure necrosis

acid refulx esophagitis. erosive(red) and hyperplasic(white) mucosal epithelium

acid refulx esophagitis. erosive(red) and hyperplasic(white) mucosal epithelium

spirocera lupi, granuloma with parasite. may lead to fibro/osteosarcoma and spondylosis deformans

Fungating fibrosarcoma Ulcerating into the esophageal lumen

spirocera lupi, granuloma with parasite. may lead to fibro/osteosarcoma and spondylosis deformans

Large Sarcocystis cysts, up to 5mm in size, adventitial surface of the esophagus, Sheep. Incidental finding at necropsy.

Gongylonema
(spirurid nematode)
Burrowing in
esophageal mucosa
of a feeder pig,
causing a blood-filled
tract. Harmless.

primary bloat, foam block cardia and prevent eruption

bloat line, generalized congestion cranial to thoracic inlet

bloat line, generalized congestion cranial to thoracic inlet

mycotic rumenitis, secondary to lactic acidosis, fungal vasculitis and thrombosis

grain overload/rumenitis/lactic acidosis. fermentablefeed->G+ overgrowth->lactic acid->pH drops->normal flora dies, rumen damaged->increased FFA

Grain overload, bovine: Marked hyperemia of reticular mucosa

mycotic hepatitis following ruminal mycosis with grain overload

numerous hemorrhagic infacts, mycotic rumenitis. secondary to lactic acidosis

Stomach rupture, Stomach rupture occurs following ingestion of highly fermentable feed. The congestion of the wall, hemorrhages at the margin of the rupture

horse

Abomasal volvulus & dilation, calf. The abomasum normally on the ventral side has been displaced to the right and dorsally. It is dilated and the serosa is congested.

Multifocal ulceration, "IBR"?? does jack john mean BVD?

calf

Abomasal perforation & fibrinosuppurative peritonitis. ulceration/erosion in calves due to diet change, in cattle, BVD

Esophageal ulceration with severe bleeding, pigs

pigs, esophagus

Stricture due to scarring at the site of an esophagogastric ulcer in a surviving pig. Note the muscular hypertrophy of the wall of the distal esophagus, due to the work required to force ingesta past the stricture.

Severe congestion of glandular portion (fundus). Pig with acute "hemorrhagic gastritis" associated with septicemia as in salmonellossis

Gastric ulcers, dogs. Note marked involvement of pylorus. Most common causes are NSAID, hepatic disease and IBDGastric ulcers, dogs. Note marked involvement of pylorus. Most common causes are NSAID, hepatic disease and IBD

Stomach full of bloosd from bleeding ulcers. Dog. Gastric ulcers, dogs. Note marked involvement of pylorus. Most common causes are NSAID, hepatic disease and IBDGastric ulcers, dogs. Note marked involvement of pylorus. Most common causes are NSAID, hepatic disease and IBD

Emphysematous & hemorrhagic abomasitis "Braxy", clostridium septicum. associated with cold or frozen pasture

Multifocal hemorrhagic infarcts, calf with mycotic abomasitis. secondary to lactic acidosis

Pale (anemic) carcass and subcutaneous edema. Sheep with haemonchosis

Abomasal parasitism & hemorrhage, sheep with hemonchosis. Blood within the gut of the parasites gives them the characteristic "barber's pole" appearance (inset) .

Stomach bots mostly at margo plicatus, horse stomach. Usually an incidental finding.

Peritonitis associated with penetration of Gastrophilus larvae

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