Equine Flashcards
In the nasal cavity of a horse

Rhinosporidium

Rabies
negri inclusion bodies
Colon in the horse

Ulcerative colitis

Hepatic lipidosis

Pleuritis

SCC

Equine herpesvirus hepatitis
Equine Herpesvirus 1
Necrosis and Petechiae

Cervical stenotic compressive myelopathy (Wobblers)

Exuberant granulation tissue

Dermatophilus
Railroad track organisms

Leukotrichia

Dermatophytosis

Ethmoid Hematoma

Intussusception

Aspergillus pneumonia
embolic spread

LI Tympany

Intestinal volvulus

Cantharidin Toxicosis
ulcers in GI

Neonatal isoerythrolysis
Red cortex, yellow medulla

Torsion

Paranasal cyst

Collapsing Trachea

urticaria

Lymphoma T cell rich B cell lymphoma

Guttoral Pouch empyema

Habronemiasis

Salmonella
ulcers, pseudomembranes

Mast cell tumor

Large, edematous, uniform, pale
Acute tubular necrosis

Idiopathic muscular hypertrophy of the esophagus

Hepatic lipidosis

Sarcoid
biphasic tumor

Bronchopneumonia Pneumonia
Strep zoo

Cholesteatoma

Bullous phemphigoid

Bacterial Meningoencephalitis

EHV-1
hemorrhage in the brainstem

Esophageal reflux

Strangulating lipomas

Culcoides Hypersensitivity

DDX:
zygomycosis, granulation tissue, Habronemiasis, sarcoid, SCC

Vesicular stomatitis

Alopecia areata

Myocardial necrosis

Pituitary adenoma

Liver necrosis from creeping indigo


Apical Necrosis of the Urinary Bladder
neurogenic ischemia
DDX
Spinal cord trauma
EHV-1 polyneuritis

Fracture of basosphenoid bone
hemorrhage

Chronic Progressive Lymphedema
Kidney in a horse

Polycystic kidney disease
Functional?

Horseshoe kidney
usually functional

Hemorrhagic enteritis
Clostridial infection

Equine low motor neuron disease
muscle atrophy key sign

Cerebellar abiotrophy
common in Arabian foals
In a foal

Embolic Pneumonia
septic joints
ACTINOBACILLUS EQUULI

Rhodococcus equi
Lung abscesses

Polyp

Atresia coli

Infarct in kidney

Ruptured Chordae Tendineae

Dermatospraxis
fragile skin

Ruptured aorta

Gastric distension & rupture
D/t overeating

Fibrotic liver
Pyrrolizidine Toxicity
In a foal

Embolic nephritis
ACTINOBACILLUS EQUULI

Epiglottic entrapment
DDX

DDX
EIPH
ethmoid hematoma
GP mycosis

Dermatophilus
Hair epilates (remove hair easily)

Eosinophilic nodules

Medullary Crest Necrosis
NSAIDS

Pericarditis

Endocardiosis

Hydrocephalus

Actinic dermatitis

WNV

Equine leukocephalomalacia
“Moldy corn disease”

Endocarditis

Wry nose
What are the DDX?

Facial Deformity
DDX :
Cysts • Fibroma • Congenital dental abnormalities • Abscess • Neoplasia

Onchoceriasis
Onchocerca cervicalis
Filarial Dermatitis

Enterolith

Fungal Sinusitis

Embolic mycotic pneumonia
Sequelae to salmonella/enterocolitis

Ileum Hypertrophy

Rhodococcus Equi

Equine serum hepatitis
Dish rag liver

Epidermolysis bullosa

Photosensitization

Right dorsal colitis
small areas of hemorrhage and remainder fibrotic

Acute tubular necrosis (swollen, smooth, moist)
DDX: aminoglycosides, red maple leaf

Gastrophilus sp.
Botfly in stomach

Leukoderma
Vitiligo

Equine Degenerative myelopathy
neuroaxonal degeneration

Sarcoid

Pemphigus Foliaceous

Parascaris Equorum

EPM
hemorrhages in spinal cord

Recurrent airway obstruction

Nigropallidal encephalomalacia
Yellow Star Thistle and Russian knapweed toxin

Glassy, swollen liver with white foci of necrosis
Tyzzer’s disease (Clostridium piliforme)
Test with silver stain


Salmonella enteritis (fibrinonecrotic)

Pemphigus Foliaceus
crusts, exfoliation, alopecia

Equus Caballus Papilloma virus Type 1

Zygomycetes

Lymphoma

Equine Caballus Papilloma virus 3-6
Aural Plaques