PMC2721503_01
MRI- Well circumscribed intravesical mass
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The magnetic resonance imaging (MRI) revealed a large encapsulated intravesical mass [Figure 1].
Gross: Encapsulated mass weighing 600 gms and measuring 13 x 10 x 9 cms
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Histology of the biopsy revealed a neoplasm composed of neoplastic cells with uniform oval to spindled nuclei arranged in a striking storiform pattern [Figure 2].
Spindle cells arranged in a storiform pattern (H/E, 20x)
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Grossly, the tumor measured 13 x 10 x 9 cm and weighed 600g [Figure 3].
Spindle cells with uniform nuclei (H/E, 40x)
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There was no evidence of nuclear atypia or mitotic activity in multiple sections studied [Figure 4].