Struvite Stones

Question 1

What are Struvite Stones composed of?

Answer 1

Ammonium magnesium phosphate

Struvite Stones are a type of kidney stone that can form in the urinary tract.

Question 2

Under what conditions are Struvite Stones formed?

Answer 2

In high pH in the presence of urease (+) bacteria

Urease-producing bacteria can increase the pH of urine, contributing to stone formation.

Question 3

Which bacteria are commonly associated with the formation of Struvite Stones?

Answer 3

• Klebsiella
• Serratia
• Proteus

These bacteria are known to produce urease, leading to alkaline urine and stone formation.

Question 4

Describe the physical characteristics of Struvite Stones.

Answer 4

Large, ram-horn like

Their unique shape is a distinguishing feature that can be seen on imaging studies.

Question 5

What is the primary treatment for Struvite Stones?

Answer 5

Acidification of urine with NH4Cl + surgery

Adequate hydration is also important in managing Struvite Stones.