Do you avoid low-dose radiation CT stone scans in obese patients with recurrent nephrolithiasis given concerns for inadequate stone detection?

Given about 55% sensitivity of US, I am fine with the reduced sensitivity of low dose CT in obese patients. It is better than the alternative. I do not know off hand if trials have estimated the loss of counting accuracy in the obese, and I suspect it will depend a lot on details of patient selectio...

Typically not. In order to know if your prevention program is working to prevent new stone formation and/or enlargement of existing stones, stone imaging is imperative. Options are basically limited to low-dose CT or ultrasound. Unless there are concerns about a possible pregnancy or insurance cover...