PMC5399741_01
Coronal CT scan showing pretreatment staghorn left kidney stone.
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Preoperative noncontrast CT scan revealed multiple and large stones, involving left renal pelvis and lower pole calix (Fig. 1).
CT scan showing subcapsular kidney collection after second-look percutaneous nephrolithotomy. No external or retroperitoneal extravasation is observed.
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After 3 days of conservative management with ciprofloxacin 1 g per day, the subcapsular collection did not resolve (Fig. 2).
Subcapsular kidney collection puncture and mono-J drain placement under sonographic and radiologic guidance as performed by the interventional radiologist.
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The patient was readmitted and a percutaneous 6F mono-J drainage was located in the collection under a combined ultrasonographic and radiologic guidance by an interventional radiologist (Fig. 3).
CT scan showing subcapsular kidney collection healing after 7 days of drainage.
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From the collection, about 400 cc was drained in 7 days and the drainage was removed after 8 days when the liquid output was <10 cc per day (Fig. 4).