PMC4189049_01
MRI showing a 6 cm x 7 cm retrorectal tumor ( ).
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Preoperative MRI (magnet resonance imaging) (Fig. 1) showed a mostly retrorectal tumor measuring 6 cm x 7 cm.
Intraoperative findings: one star: ureter, two stars: sacrouterine ligament, dotted line: tumor.
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After identifying the ureter, the peritoneum was opened longitudinally (Fig. 2).
One star: tumor lying retrorectal after opening the peritoneum, two stars: sacrouterine ligament, three stars: ureter.
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The cystic mass was identified lying retrorectally (Fig. 3).
Splanchnic nerves.
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Whilst sparing the splanchnic nerves (Fig. 4), the cyst could be dissected and removed without rupturing the capsule.