UA 2 Flashcards
primary stain for UA
sternheimer-malbin stain (sedi-stain)
0.5% stain
new methalane blue
These animals contain large amount of sediment in their urine normally
horse and rabbit
what cells are identified using HPF
RBC, WBC, epithelial cells: squamous, transitional, renal
what is identified using LPF
casts, crystals
where do casts form
in the lumen of the distal and collecting tubules of the kidneys where the concentration and acidity or urine is the greatest.
cylindrical structures composed of
protein and mucoproteins secreted by renal tubules
which cast has parallel sides with clear margins and blunted ends
hyaline cast
increased numbers of hyaline casts
proteinuria, strenuous exercise, GA
the most common cast seen
granular (rough)
two types of granular casts
coarse-young
fine-old
large numbers of granular casts
nephritis, kidney damage
waxy casts look like
mac n cheese noodles
what cast is wider than hyaline
waxy casts
waxy casts may indicate chronic to severe
degeneration of renal tubules
what cast can have any type of cell inside
cellular casts (erythrocyte)
when do cellular casts form
when RBC cluster within the lumen of the tubule
renal bleeding is indicated in cellular casts from
trauma, bleeding disorder, inflammatory lesion
what kind of cast is rarely seen in dogs
fatty casts
what cast contains small refractive lipid droplets
fatty casts
the background of fatty casts may be
hyaline or granular cast
large numbers of fatty casts indicate
renal tubule degeneration
fatty casts are most common in ___ and rare in ___ but seen with ____
cats
rare in dogs with diabetes
seen with renal disease
