PMC6925741_01
(a) Sagittal gray-scale ultrasound image of the urinary bladder shows a heterogeneous 40 mm mass along the anterior wall of the bladder. (b) Sagittal color Doppler ultrasound image demonstrates marked flow within the bladder mass (arrow).
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fig1
Transverse computer tomography image showing an avidly enhancing mass in the anterior urinary bladder wall.
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fig2
There was no sign of any lymphadenopathy or metastatic invasion (Figure 2).
Iodine-123-meta-iodobenzylguanidine (I-123 MIBG) scintiscan showing intense tracer uptake in the anterior side of the bladder consistent with bladder paraganglioma (arrow).
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fig3
(a) Tumor cells are strongly stained with synaptophysin (x200). (b) Tumorous small cells with a positive immunostaining for anti CD56 (x100).
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fig4
(a) The surgically resected lesion is well defined and polypoid, and it appears to be vasc. (b) Macroscopic view of bladder paraganglioma. The tumour is red-brown in colour, lobulated and well-circumscribed.
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fig5
The patient underwent partial cystectomy (Figure 5).