Urine Sediments

Question 1

pale disk of 7 um diameter; crenated or dysmorphic

Answer 1

erythrocytes

Question 2

cell with trilobed nucleus of 12 m diameter

Answer 2

neutrophils

Question 3

oblong or egg-shaped,14-60 m cells with central
nucleus

Answer 3

renal cell

Question 4

40-200 m cells, round or pear-shaped with central
nuclei

Answer 4

transitional epithelial cell

Question 5

. large and flat, abundant folded cytoplasm, central nuclei

Answer 5

squamous cells

Question 6

translucent cast with variable matrix, low refractive
index

Answer 6

hyaline cast

Question 7

cast that have disintegrated to form tapering ends/tails

Answer 7

cylindricoids

Question 8

. casts with high refractive index, cracks visible

Answer 8

waxy cast

Question 9

. 2-6X the diameter of normal casts due to stasis at DCT

Answer 9

broad cast

Question 10

. 2-4 m clumpy cells that are best seen with PCM & EM

Answer 10

platelets

Question 11

best seen with Gram stain; commonly rod-shaped cells

Answer 11

bacteria

Question 12

refractile cells with characteristic budding

Answer 12

yeast

Question 13

. exhibits Maltese cross with polarizing filters

Answer 13

starch granules

Question 14

yellow to brown lemon-shaped, rosettes or wedge
crystals

Answer 14

uric acid crystals

Question 15

. octahedral envelope or dumbbell crystals

Answer 15

calcium oxalate

Question 16

. yellow-brown spheres known as thorn-apples

Answer 16

ammonium biurates

Question 17

crystals are colorless spheres appearing in pairs or fours

Answer 17

calcium carb onate

Question 18

refractile hexagonal plates that is sometimes twinned

Answer 18

cystine

Question 19

yellow, oily appearing spheres with radial striations

Answer 19

leucine

Question 20

. silky needles that appear in sheaves after refrigeration

Answer 20

tyrosine

Question 21

colorless-yellow-brown sheaves of wheat with central
bind

Answer 21

sulfonamide

Question 22

crystals with coffin lid or fern forms in alkaline urine

Answer 22

triple phosphate

Question 23

. yellow-brown granules or sanding; called as brick dust

Answer 23

amorphous urate

Question 24

macroscopically seen as fine lacy precipitate in basic
urine

Answer 24

amorphous phosphate

Question 25

long, ribbonlike structures with split ends; mistaken as
casts

Answer 25

mucous threads