Question 1

What does the study say about stones larger than 3 cm?

Accepted Answer

In the multicentre study, the stone-free percentage for stones more than 3 cm was 81% with PCNL and 21% with RIRS.

Question 2

Which procedure usually has a shorter hospital stay?

Accepted Answer

RIRS is generally associated with a shorter hospital stay than PCNL.

Question 3

Which procedure is more likely to require repeat treatment?

Accepted Answer

RIRS may require more repeat treatment, especially for larger stones.

Question 4

Is PCNL usually preferred for stones above 20 mm?

Accepted Answer

For stones larger than 20 mm, PCNL might be a dependable choice, especially for complex and staghorn stones.

Question 5

Can RIRS treat a 2–3 cm kidney stone?

Accepted Answer

Yes. While PCNL often achieves greater stone-free rates, RIRS may be recommended for some patients.