PMC5655835_01
Preoperative noncontrasted CT of abdomen/pelvis with coronal imaging of the 1.5 cm lower pole stone (a) and the 2.5 cm left renal pelvic stone (b).
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Noncontrasted prone CT of the abdomen/pelvis (CT stone protocol) revealed the aforementioned stones and no other relevant pathology report (Fig. 1).
Coronal images from CT urogram obtained in the emergency department showing fistulous connection from kidney to spleen with extravasation of contrast from anterior to posterior (a-d).
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The CT showed a large 18 x 16 x 8 cm subcapsular splenic fluid collection with a clearly delineated, opacified fistulous connection to the left kidney on delayed images (Fig. 2).
Noncontrasted CT of abdomen/pelvis with coronal (a, b) and axial (c, d) images showing no recurrence of the splenic urinoma 2 weeks after stent removal.
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The stent was removed and follow-up CT scan 4 weeks later (6 weeks post-PNL) showed complete resolution of the urinoma and fistulous tract. (Fig. 3).