Ammonium biurate crystals
Notice the “thorny apple” appearance
400X
Courtesy of Kenneth L. McCoy, M.D.
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
16th April 2015
Notes: 2
Triple phosphate crystal
Notice the characteristic “coffin lid” shape
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Oval calcium oxalate crystals
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Calcium oxalate crystals
Notice the classic “envelope” shape
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Uric acid crystals, polarized
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Uric acid crystals
Notice the yellow color and variety of shapes
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Normal spermatozoa
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Broad granular cast becoming waxy
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Fatty cast
Notice the refractile fat droplets on the cast matrix
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Stained broad waxy cast
Notice large diameter
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Stained waxy casts
Notice irregularly broken ends
100X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Coarsely granular cast showing cellular disintegration
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Finely granular cast and uric acid crystals
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Stained renal tubular epithelial cell cast
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.
Renal tubular epithelial cell cast
Observe the surface attachment of cells to the cast matrix
400X
Source: Urinalysis and Body Fluids: Strasinger, Susan K.