PMC5655837_01
PMC5655837_02
Incidentally found contrast enhancement of solid tumor or left kidney. Contrast enhancement of left renal tumor of 4.3 cm in length, middle portion, posterior aspect, 50% endophytic, and near collecting system.
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CT revealed a contrast-enhanced left renal tumor 4.3 cm in length, middle portion, posterior aspect, 50% endophytic, and close to the collecting system (Fig. 1).
In precontrast phase, one 0.5 cm upper calix stone was found. One 0.5 cm intracollecting system stone at left upper calix (arrow).
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In addition, one 0.5-cm stone located at the left upper calix was also noted (Fig. 2).
Patient went to emergency department with fever, chillness, left flank pain, and turbid discharge from previous drainage hole. CT revealed multilocular abscesses formation around left kidney, mainly in posterior peri- and pararenal spaces.
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CT was immediately performed that revealed multilobular abscesses around the left kidney, mainly in posterior peri- and pararenal spaces (Fig. 3).
URSL and retrograde pyelography were arranged and performed 1 week later after infection control. (A) URSL revealed one ureteral stone at upper third ureter and measured about 0.5 cm. (B) Retrograde pyelography was performed that revealed patent collecting system without filling defect or contrast extravasation. URSL, ureter renal scopy lithotripsy.
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While under endoscopic examination, one ureteral stone that measured ~0.5 cm was found at the middle third ureter, and lithotripsy was performed (Fig. 4A). Later, retrograde pyelography was repeated that showed patent collecting system without filling defect or contrast extravasation (Fig. 4B).