Comments:
Note the resemblance to post-operative spindle cell nodule (next case). Features favoring inflammatory pseudotumor over sarcoma include 1) lack of significant nuclear atypia and 2) lack of necrosis at the tumor-detrusor interface in muscle-invasive cases. Mod Pathol 2001 Oct; 14(10):1043-51.return to Tumor-like Lesions in Bladder
