8.3 Crystals in Alkaline Urine Flashcards
Description:
- Milky white macroscopically
- Same microscopic appearance with urates that is granular but differs in macroscopic
Solubility:
- Dilute Acetic acid
Significance:
- Precipitate following ref making the urine appear milky white macroscopic and granular microscopic
a. Amorphous phosphate
b. Calcium phosphate
c. Triple phosphate
d. Ammonium biurate
e. Calcium carbonate
a
Description:
- Colorless, flat plates needles or prisms often in rosette formation
- Same appearance with calcium sulfate except that it can also be plates in addition to needles and rosettes or prisms that form rosettes
Solubility:
- Dilute Acetic acid
Significance:
- Common component of renal calculi
- Same with calcium oxalate
a. Amorphous phosphate
b. Calcium phosphate
c. Triple phosphate
d. Ammonium biurate
e. Calcium carbonate
b
Description:
- prism shape resembling coffin lids birefringent
- “Coffin lid crystals”
- Relationship of Triple phosphate and ammonium biurate
Solubility:
- Dilute Acetic acid
Significance:
- UTI caused by urease-producing bacteria
- renal calculi
a. Amorphous phosphate
b. Calcium phosphate
c. Triple phosphate
d. Ammonium biurate
e. Calcium carbonate
c
Description:
- Yellow brown spicule covered spheres or “thorny apples”
Solubility:
- Acetic acid and heat
Significance:
- UTI caused by urease-producing bacteria
- renal calculi
a. Amorphous phosphate
b. Calcium phosphate
c. Triple phosphate
d. Ammonium biurate
e. Calcium carbonate
d
Description:
- Small spherical that is mistaken for amorphous phosphate which forms clumps colorless dumbells or spherical may form clumps
Solubility:
- Dilute Acetic acid with GAS PRODUCTION
Significance: NONE
a. Amorphous phosphate
b. Calcium phosphate
c. Triple phosphate
d. Ammonium biurate
e. Calcium carbonate
e
