case_images: PMC9118416_01
case_images: Computed tomography (CT) images - axial (a) and coronal (b) views - showing a large mass involving the dome and part of the anterior wall of the bladder.
case_images: 10.1177_17562872221096385-fig1.jpg
case_images: PMC9118416_01_10.1177_17562872221096385-fig1.jpg
case_images: fig1-17562872221096385
case_images: A staging computed tomography (CT) of the abdomen and chest (Figure 1) confirmed a large, lobulated mass arising from the superior and anterior portion of the bladder measuring 4.9 cm x 4.5 cm in size, which contained some low-density central changes in keeping with necrosis and areas of peripheral calcification.
case_images: Microscopic images showing spindled and plump polygonal myofibroblasts dispersed in an oedematous and myxoid background with intermingled inflammation (a); compact spindle cell proliferation with a variable myxoid and collagenised stroma with distinctive inflammatory infiltrate (b) and interlacing bundles of spindle cells intermingled with plasma cells and lymphocytes (c).
case_images: 10.1177_17562872221096385-fig2.jpg
case_images: PMC9118416_01_10.1177_17562872221096385-fig2.jpg
case_images: fig2-17562872221096385
case_images: Histopathology (Figure 2) noted an admixture of spindle cells, fibroblastic/myofibroblastic cells and inflammatory cells.