Pediatric Primary Alveolar Soft Part Sarcoma of the Bladder

Figure 1

(a) A high-density lesion (sized 10 mm) is observed in the bladder neck on plain computed tomography images (indicated by a white arrow). A hematoma in the bladder is also observed (indicated by a black arrow). (b) A high-intensity lesion (sized 10 mm) is observed in the bladder neck on plain magnetic resonance T2-weighted images (indicated by a white arrow). A hematoma in the bladder is also observed (indicated by a black arrow). (c) A sessile nodular tumor with a smooth surface (sized 10 mm) located in the direction of 10 o’clock in the bladder neck is observed with cystoscopy (indicated by a white arrow).

(a)

(b)

(c)