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case_images: Contrast enhanced magnetic resonance imaging showing paraganglioma on the posterior bladder wall (arrow).
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case_images: MRI identified a 5x5x3 cm mass in the posterior bladder wall (Figure 1).
case_images: Paraganglioma visualised on the posterior bladder wall involving the trigone. Margins for resection are marked using cautery. LVUJ - left vesico-ureteric junction, RVUJ - right vesico-ureteric junction.
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case_images: Visual cues from three-dimensional magnified vision of the endoscope were used to mark macroscopic tumour margins with cautery (Figure 2).
case_images: Bladder outlet reconstructed following re- resection and negative surgical margins on frozen section.
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case_images: New Jersey, USA) (Figure 3). Next, the tumour free margins of the bladder were closed primarily using 3-0 V-Loc (Covidien Ltd., Dublin, Ireland) sutures.
case_images: Ureteric re-implantation performed according to classical technique described by Politano-Leadbetter by creating a submucosal tunnel (arrow). LFT - left fallopian tube.
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case_images: Both ureters were then re-implanted using the classical technique described by Politano-Leadbetter with two separate incisions on the lateral surface of bladder (Figure 4).
case_images: Postoperative cystogram showing normal contour of bladder and absence of contrast extravasation.
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case_images: The urinary catheter was removed on the 10th postoperative day following cystogram (Figure 5).
case_images: Final histopathologic examination. A) Paraganglioma cells (arrow) dissecting the bladder muscle (M). B) Immunohistochemistry staining of paraganglioma cells positive for chromogranin A growing between smooth muscle cells (M) of the bladder wall.
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case_images: Final histopathological analysis confirmed a non- malignant type of paraganglioma with cells positive for synaptophysin, chromogranin, CD56 and S100 on immunohistochemistry (Figure 6) with tumour free margins.