Rapid Progression of a Urinary Bladder Leiomyosarcoma: Report of a Case

Figure 1

(a) Computed tomography shows a large bladder tumor measuring 4 cm × 3 cm and right hydronephrosis. (b) Magnetic resonance imaging shows extravesical invasion of the tumors. (c) Hematoxylin-eosin stain shows leiomyosarcoma of the bladder tumor. (d) Immunohistochemical staining of the bladder tumor is positive for α-smooth muscle actin.

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