PMC8492442_01
A 36-year-old before transplant kidney partial torsion. Longitudinal post-operative ultrasound showing the transplanted kidney posterior and superior to the bladder, without evidence of hydronephrosis. Renal artery velocity was mildly elevated which may be related to posttransplant edema at the anastomosis. Interlobar resistive indices were low to normal and ranged from 0.46 to 0.60.
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F1
Ultrasound performed shortly after transplant of the transplanted kidney showed it posterior and superior to the bladder, without evidence of hydronephrosis [Figure 1].
A 36-year-old before transplant kidney partial torsion. Axial and sagittal non-contrast computed tomography image shortly after surgery showed the transplant kidney (asterisk) in a non-torsed position in the midline, oriented horizontally and at the anterosuperior aspect of bladder. A ureteral stent is present.
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F2
Axial and sagittal non-contrast computed tomography (CT) scans at this time showed the transplanted kidney in the non-torsed midline position oriented horizontally and at the anterior superior aspect of bladder [Figure 2].
Transplant kidney partial torsion. Transverse ultrasound of the transplanted kidney shows that it is located posterior to bladder ("B"). New mild-to-moderate hydronephrosis is seen (arrow).
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F3
A transverse ultrasound of the transplanted kidney now showed it posterior to bladder [Figure 3].
Transplant kidney partial torsion. Axial and sagittal non-contrast computed tomography image shows the transplanted kidney (asterisk) in a posterior position to the bladder. The vascular pedicle appears stretched (arrow).
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F4
Likewise, CT showed the transplanted kidney in a different position, more inferiorly located, posterior to the bladder and in a vertical orientation [Figure 4].