PMC8483930_01
Axial and coronal cross-sectional imaging via CT abdomen and pelvis revealing an exophytic mass arising at dome of bladder.
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Cross-sectional imaging via CT abdomen and pelvis revealed an exophytic mass at the bladder dome measuring 7.8 x 5.9 cm with central necrosis and a thick, enhancing wall as well as probable communication with the lumen of the urinary bladder (Figures 1 and 2).
Sagittal cross-sectional imaging via CT abdomen and pelvis revealing an exophytic mass arising at the dome of the bladder.
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Cross-sectional imaging via CT abdomen and pelvis revealed an exophytic mass at the bladder dome measuring 7.8 x 5.9 cm with central necrosis and a thick, enhancing wall as well as probable communication with the lumen of the urinary bladder (Figures 1 and 2).
Representative pathology at (a) 4x and (b) 20x demonstrating villous architecture arising from mucinous adenocarcinoma and (c) 40x with presence of mucin producing goblet cells.
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Pathologic evaluation further revealed that, although the location of this tumor at the dome of the bladder suggested urachal adenocarcinoma as the final diagnosis, no urachal glandular remnants were identified and so the features were most strongly suggestive of a primary nonurachal bladder adenocarcinoma (Figures 3 and 4).
(a) Villous architecture 4x. (b) Glandular architecture of nonurachal adenocarcinoma 4x.
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fig4
Pathologic evaluation further revealed that, although the location of this tumor at the dome of the bladder suggested urachal adenocarcinoma as the final diagnosis, no urachal glandular remnants were identified and so the features were most strongly suggestive of a primary nonurachal bladder adenocarcinoma (Figures 3 and 4).