Rétropéritoine


Lésions
- primitive rare = 90% (lipo++)sarcome
- fibrose /!\ uretères = active si PDC intense, HT2FS, Hdiff
- Erdheim-Cheister = reins chevelus (DD lymphome, hématopoïèse extram.)
- carcinose = sein, estomac, colon, prostate, poumon, rein
Hématome spontané = AML >> CCC