Definitions, physiopathology, imaging.- 1. Cyanosis congestion and skin necrosis. Is necrosis a venous congestion at the origin? (S. Meaume).- 2. Ischaemia reperfusion injury (T.K. Hunt).- 3. Dry vs wet necrosis (H. Justiniano).- 4. Extension in depth (S. Akita).- 5. X-ray imaging of necrotic skin (tbd).- Different clinical context of skin necrosis.- 6. Vasoactive drugs (tbd).- 7. Necrotising angiodermatitis (tbd).- 8. Rheumatoid and systemic collagenosis vasculitis (F. Massaki).- 9. Cold induced necrosis (tbd).- 10. Cryoglobulinemia (tbd). - 11.- Calciphylaxy (M. Romanelli).- 12. Necrotic burns (R. Horch).- 13. Purpura fulminans (tbd).- 14. Fournier gangrene (tbd).- 15. Envenimations (tbd).- 16. Toxic syndromes. Systemic management (tbd).- 17. Necrotising fasciitis (S. Akita).- 18. Tumoral (I. Fromantin).- 19. Infection and skin necrosis (D. Leaper).- 20. Post-injection Interferon, high-viscosity products, anticoagulants warfarin, coumadin, vasopressive drugs (tbd).- 21. Pyoderma gangrenosum (tbd).- 22. Trauma, degloving, scalps (R. Strockmayer).- 23. Pressure ulcer necrosis in geriatric, in paraplegic patients in ICU (tbd).- 24. Pressure ulcers in neonates (G. Ciprandi) .- 25. Arterial leg ulcer and chronic arteriopathy (B. Ennis).- 26. Necrotic skin and diabetes (tbd).- 27. Arteriovenous fistulae and vascular thief (tbd).- 28. How to manage necrotic flap failure (R. Horch).- 29. Kwashiorkor, HIV, and palliative care of necrotic nodes (tbd).- 30. Haematomas (S. Meaume).- 31. Necrotic and exposed tendon (L. Téot).- 32. Necrotic skin covering osteosynthetic material (G. Jukema).- 33. Abdominal wall necrosis (O. Chappuis).- Techniques applicable to skin necrosis.- 34. Dressings available to debride. The nurse domain (tbd).- 35. Different regulations of nursing debridement depending on the country (K. Tanaka, N.L. Tomaselli, E. Ribal).- 36. Surgical debridement (S. Akita).- 37. Negative pressure therapy. A contraindication to skin necrosis (tbd).- 38. Recent technologies in necrosis debridement (L. Téot).- 39. Stabilisation of necrotic tissue using cerium nitrate silvesulfadiazine (C. Trial).