case_images: PMC6340375_01
case_images: Redness and swelling of the left abdominal and lumbar area.
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case_images: PMC6340375_01_fig-1.jpg
case_images: f1
case_images: Clinical examination on arrival showed rising swelling and redness extending from left lumbar to left abdominal area (Fig. 1).
case_images: Sagittal section of CT of the abdomen showing large retroperitoneal and subcutaneous pus collection arising from the left kidney.
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case_images: PMC6340375_01_fig-2.jpg
case_images: f2
case_images: The CT scan of the abdomen with intravenous contrast revealed hydronephrosis and multiple stones in the left renal pelvis, as well as fluid attenuation of ~30 HU-suggesting of pus within the left perirenal and pararenal area; the psoas muscle was also infiltrated and the collection extended toward the skin (Figs. 2 and 3).
case_images: Coronal section of CT of the abdomen showing large retroperitoneal collection around the left kidney infiltrating the ipsilateral psoas muscle.
case_images: fig-3.jpg
case_images: PMC6340375_01_fig-3.jpg
case_images: f3
case_images: The CT scan of the abdomen with intravenous contrast revealed hydronephrosis and multiple stones in the left renal pelvis, as well as fluid attenuation of ~30 HU-suggesting of pus within the left perirenal and pararenal area; the psoas muscle was also infiltrated and the collection extended toward the skin (Figs. 2 and 3).
case_images: CT of the abdomen 4 days after surgical debridement, showing significant reduction of the collection with a Double-J stent in the left renal pelvis.
case_images: fig-4.jpg
case_images: PMC6340375_01_fig-4.jpg
case_images: f4
case_images: A new CT scan was performed, which showed significant reduction of the perirenal accumulation, with remaining pus in the renal calyces (Fig. 4).