Endourological management of a rare radiopaque ritonavir-composed urinary calculus

Endourological management of a rare radiopaque ritonavir-composed urinary calculus

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Protease inhibitors are a source of nephrolithiasis in HIV + patients, and these stones are described as not detected bostik roll-cote by CT.While urinary stones are commonly associated with certain protease inhibitors, stones composed of ritonavir are rare.We present the case of a 58-year-old female on ritonavir-boosted atazanavir who presented to radio birdman tshirt our clinic complaining of gross hematuria and flank pain secondary to a ureteral stone.Surgical removal revealed the stone to be composed of 100% ritonavir with no usual urinary stone components.

This is the first report of an HIV medicine stone being detectable by CT scan described as 100% ritonavir.