1. 80yrs man was operated (resection of skin and soft tissue) with clinical diagnosis "Sarcoma dorsi".  
MACRO: 6,3 cm lobulated irregular brown tumor nodule in subcutis.  
PTHO DGN.: Diffuse large B cell lymphoma in soft tissue and derma. Immunophenotype: FC activated: CD20+,Bcl6+/-(30%),Bcl 2+/-(20%),CD10-,Mum1+( 90% ), Ki67 95%, p53+ (80%).  
2. Skin biopsy was performed due to papular rush.  
PATHO DGN.: DLBCL with exceptionally intravascular spread. Immunophenotype is identical to primary.  
QUEST: Sometimes convenient DLBCL has minimal intravascular component. But some cases are described when DLBCL has progressed exclussivelly like intravascular form. It seems similar to this case.  
THANK YOU FOR COMMENTS.