Malignant Urinary bladder paraganglioma in 12 year old boy

identification pelvic lymph node Partial cystectomy pelvic lymph nodal th node Image 2 - CT scan showing coronal and saggital images of lesion at superior border of urinary bladder along with two similarly enhancxinglesions (lymph nodes) in perivesical location. Image 1 - CT scan images showing transverse sections at level of urinary bladder showing enhancing mass lesion(4.5cm x 2.7 cm) at superior border of Urinary border. Image 5 - Low power view of tumor. Tumor shows nests of cuboidal cells separated by vascularised fibrous septa. This pattern of arrangement of tumor cells is k/a Zellballen. Image 6 - High power view Shows zellballen formation and tumor cells with moderate amount of cytoplasm.