HISTORY:
                    Male in his 60’s
                    History of benign prostatic hyperplasia
                    Painless gross hematuria
                    Cystourethroscopy w/ fulguration/resection lesion bladder (turb)
                     
                 
                   
GROSS:
                    
                 
                
                
                
                 
                 
                 
                
                    
                 
                            What is the most likely diagnosis?
                            
                                - Solitary fibrous tumor
 
                                - Amyloidosis
 
                                - Urothelial carcinoma
 
                                - Melanosis