Pathology Semester 1 Flashcards
Kidney in incorrect anatomical position or horse-shoe shaped
ectopic kidney or fused kidney
smaller kidney, few nephrons
kidney hypoplasia
hydroureter with primitive kidney
kidney dysplasia
young animal with idiopathic kidney disease, pink lumen fluid on histo
familial nephropathy
diffuse/mf fluid filled yellow ‘bubbles’ on kidney
polycystic renal disease
tubular function abnormalities
fanconis/diabetes insipidus
dappled, haemorrhagic parenchyma of kidney
septicaemic haemorrhage/DIC
coagulative necrosis of renal parenchyma, wedge shaped pale region. Histo congested RBC in tissue w/ few inflamm cells
renal infarct
mf green-black areas of kidney medulla
papillary necrosis 2* to NSAIDs
mf/diffuse ischaemic lesions mainly in PCT (not DCT) degenerate tubules, creamy-white greyish areas in cortex
acute tubular necrosis (a type of cortical ischaemia)
necrotising daamge mf to diffuse of PCT and DCT with whole areas of necrosis and lack of cellular detail in glomerulus
renal cortical necrosis
dark-red-black cortices of kidney
renal necrosis due to endogenous toxins (haemoglobin, myoglobin).
swollen, greasy, waxy, pale tan kidney
amyloidosis
renal pelvis expanded
hydronephrosis
mineralised base membrane of tubules, basophilic deposits, highlighted with von kossa stain
hypercalcaemic nephropathy
immune mediated, acutely enlarged, chronically smaller kidneys. Small, firm, hard depressions when chronic
glomerulonephritis
necrogranulomatous hepatitis, interstitial pneumonia. enlarged, pale brown kidneys with petechieal haemorrhages. skin petechiea too.
PWMWS (form of glomerulonephritis)
swollen, reddened, kidneys with luminal black squiggly lines
leptospirosis (form of tubulointerstitial nephritis
white spotted kidney (especially in cattle) resultant from pyogenic organisms
suppurative tubulointerstitial nephritis
multifocal granulomatous kidney lesions resultant from FIP. pale yellow cortex.
(pyo)granulomatous tubulointerstitial nephritis
raised areas with increased cellular material in pelvis of kidney
pyelonephritis
thick walled multifocal pale cream small spotted lesions of kidney sometimes granulomatous nephritis involved
toxocara (ascarid) larvae
large worms filling renal parenchyma, not UK.
Dioctophyma renale
red, swollen, yellow/white striated cortex of kidney
oxalate damage from ethylene glycol
undulating cortex of kidney, red ‘swirled’ pattern.
CHV infection of puppies
multifocal small circular depressions of kidney with pale brown colour of parenchyma with basophilic histo accumulations
nephrocalcinosis
white/cream circular nodule focal mass in kidney parenchyma
granulomatous nephritis with mycobacteria
soft, squidgy, creamy white areas and poor edges. sometimes petechial damage to gut and endorcardium
pulpy kidney disease - Clostridium perfringens type D
epithelial benign tumour of kidney
adenoma
epithelial malignant tumour of kidney
adenocarcinoma
focally extensive, creamy white to mottled red, multinodular mass firmish in kidney with tubular histo cells
adenocarcinoma
indented renal profile, multifocal masses extending from capsular surface into medulla, mainly firm. common neoplasia in cats
lymphosarcoma
female dog dripping urine, distended ureters, radiograph diagnosis
ectopic ureters
constant urine dribble from navel
patent urachus
RTA common result to lower urinary tract
cystorrhexis
radiopaque RG lesions in lower urinary tract
urolithiasis
catarrhal haemorrhagic necrosis of bladder
due to acute cystitis
polyploid follicular circular lesions with redenned periphery
chronic cystitis
bladder tumours with ulceration and raised multifocal to coalescing grey lesions, squamous metaplasia
enzootic haematuria cattle
giant breed dogs, haematuria, multinodular, haemorrhagic mass near bladder tissue.
rhabdomyosarcoma
benign, epithelial, bladder mucosa mass
transitional cell papilloma
nodular, ulcerated, locally invasive bladder mass
squamous cell carcinoma
nodule/plaque haemorrhagic mass of bladder mucosa, highly invasive and metastatic, common in dogs, rare in cats. occurs at trigone.
transitional cell carcinoma
kidney white medulla, fibrous medulla and cortex, chronic inflammatory cell invasion
chronic renal failure
aspiration of food, dribbling of food down nose
cleft palate
nodular lesions in airways due to chronic inflm
polyps
hyperaemic mucosa of URT, serous then catarrhal exudate, grey tacky exudate. commonly 2* bacterial infection
infectious bovine rhinotracheitis
nasopharyngeal mucosa serous exudate, then purulent exudate. lymphadenopathy.
streptococcus equi var equi
porcine turbinate reduction, atrophy and distortion of turbinates
atrophic rhinits in pigs due to Pasteurella multocida
fibrinonecrotic/granulomatous nasal bone lysing lesions, fluffy, green to cream nodular mucosa.
aspergillus fumigates
dorsal flattening of cartilage rings in trachea
tracheal collapse
hyperaemia of mucosa mf to coalescing in larynx or trachea, various exudates
laryngitis/tracheitis
ulceration of larynx and regional lymph nodes due to invasion after oral damage during worming of calves
calf diptheria, fusobacteriium necrophorum
multifocal nodules of parasites at tracheal bifurcation in dogs (Africa/E. Europe)
filaroides osleri
bronchiole gland hyperplasia, metaplasia, goblet hyperplasia, increase mucus production. mucupurulent viscous exudate. thickened mucosa
chronic bronchitis/bronchiolitis
obstruction of lumen with exudate and necrosis of bronchial wall, permanent dilation to bronchus
bronchietcesis
cattle, lumen full of worms, lymphoid enlargement, mucus production increase, collapse of airways, darker red multifocal lung tissue, wont float
dictyocaulus viviparus
mucopurulent exudate strings in equine trachea, asthma-like breathing, bronchioles full with inflamm cells, collagen and sm in interstitium
'’heaves’‘/RAO
grey-black cells in the lung
congenital melanosis
incomplete distension of the lung
atelectasis
normal lobules next to sunken, deeply redenned collapsed areas of the lung
atelectassiis
cranial lung lobes commonly, pale pink areas of lung lobules, dilated, raised, soft, spongy, crepitus.
emphysema
sectioned lung tissue oozes, bubbly fluid. pale pink homogenous material diffusely present throughout alveoli
pulmonary oedema
focally extensive dark red, friable lung tissue
pulmonary embolism
cattle vena cava thrombosis, right sided heart embolism, pulmonary embolism
pulmonary thrombo-embolism
areas of blue grey haemorrage in lungs, when cut into is red-brown. caudo-dorsal distribution
pulmonary haemorrhage
epistaxis of racehorses, tracheal multifocal haemorrhages, occasional acute fatalities
exercise induced pulmonary haemorrhage
cranio-ventral, bilateral firm to hard, depressed lung tissue dark red to grey
bronchopneumonia
purulent/mucupurulent exudate in lobules
suppurative bronchopneumonia
fibrinous exudate spreading between lobules
fibrinous bronchopneumonia
damage to cilia in pigs, allowing colonisation of lower alveoli
mycoplasmia enzootic pneumonia (suppurative bronchopneumonia)
focally extensive, red-black mottled dense-firm areas of adhesion between lung lobes. yellow tan tachy material on pleural surface of lungs
bacterial mannheimia haemolytica fibrinous bronchopneumonia.