HISTORY:
                    Patient is a female in her 50’s and presents with a retroperitoneal mass.
                 
						
                         
			            
			            
			            
                                    
                                    
                   
                             
                
                    
                 
                            
                                - Spindle Cell/Sclerosing Rhabdomyosarcoma
 
                                - Sclerosing Perivascular Epithelioid Tumor (PEComa)
 
                                - Leiomyosarcoma
 
                                - Gastrointestinal Stromal Tumor (GIST)
 
                            
                            
                         
                        
                         
                            
                           Sclerosing Perivascular Epithelioid Tumor (PEComa)