PMC9806206_01
Color Doppler showing the lesion in the right wall of the urinary bladder.
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F1
Color Doppler ultrasonography was performed, and the right posterior wall of the bladder was probed, which revealed a solid isoechoic mass measuring ~5.4 x 4.0 x 2.6 cm, with abundant blood flow (Figure 1).
CT enhancement showing the lesion in the right wall of the urinary bladder.
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F2
CT enhancement revealed that the cross-section of the right posterior wall of the bladder appeared as a soft tissue shadow measuring ~5.0 x 3.7 cm, with an irregular form and a wide base (Figure 2).
Microscopic examination of pheochromocytoma. (A,B) Haematoxylin and eosin staining. (C) Immunohistochemical staining of tumor cells was positive for chromogranin A. (D) Immunohistochemical staining of tumor cells was positive for synaptophysin.
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F3
Bladder pheochromocytoma was confirmed via pathological assessment after the surgery (Figure 3).