Cells

Question 1

RBC

Hematuria

Answer 1

• Appearance may be very slight, depending on the handling of sample
• May appear as small, colorless, refractile discs, uniform in size
• Indicated bleeding somewhere in urogenital tract, female in heat, or trauma during urination

Question 2

WBC

Pyuria

Answer 2

• Appear round and granular, larger than an RBC
• If noted, look closely for bacteria
• If greater than 0-3/HPF, likely to see UTI

Question 3

Squamous

Epithelial

Cell

Answer 3

• Normal finding in urine with free catch, from distal urethra and genitals
• Not normally found if urine is from a cystocentesis

Question 4

Transitional

Epithelial

Cell

Answer 4

• Relatively normal, especially with catheter sample
• Line proximal urethra, bladder, ureters, and renal pelvis
• If large amount found, may indicate cystitis or pyelonephritis

Question 5

Renal

Epithelial

Cell

Answer 5

• Small round with large nucleus
• May indicate kidney tubule degeneration
• Rare