PMC5308045_01
The heterogeneously enhancing tumor and deposits is the base of the urinary bladder
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F1
Computed tomography scan revealed an intra-peritoneal heterogeneously enhancing mass lesion with a few enlarged nodules in the rectovesical pouch [Figure 1]. Multiple nodules were present on the fundus of the urinary bladder [Figure 1].
H and E staining showing pleomorphic tumor cells intermingled with the bladder muscle. Immunohistochemistry showing the smooth muscle bladder wall muscle that is immunopositive for smooth muscle actin and infiltrated by the tumor cells
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F2
The tumor cells were immunoreactive for c-kit, placental alkaline phosphatase, and OCT4 [Figure 2].