PMC10237214_01
computed tomography scan showing a thick bladder wall
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F1
A thoracoabdominal and pelvic CT scan revealed a thickening of the bladder wall around its entire circumference, heterogeneously enhancing after injection of the contrast medium without mass localization (Figure 1).
macroscopic aspect of the bladder mass located in the trigonal area and left lateral wall on the dome of the bladder
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F2
The cystoscopy found a large bladder mass, located in the trigonal area and left lateral wall on the dome of the bladder, as well as necrotic-looking floating lesions (Figure 2).
histological aspect of resected mass that widely infiltrated by spindle cells: A); in a myxoid stroma accompanied by an inflammatory cell infiltrate (H and E, x100); B); spindle myoepithelial cell proliferation (H and E, x400)
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F3
Pathological assessment of the specimen showed a few spindle cells and inflammatory cells comprised of lymphocytes and plasma cells infiltrating the deep muscle, without necrotic tissue and with low mitotic activity (Figure 3).