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Alloderm GraftsIn order to remove the need to take tissue grafts from the patient, the latest development has been to use grafts made from a product called Alloderm.
Alloderm is actually cadaver skin i.e. skin from dead humans, which has been treated to remove any diseases and then freeze-dried. Just like dermal fat grafts, Alloderm is layered around the penis to build up the desired girth.
Alloderm seems to produce similar results to Dermal Fat Grafts with the added bonus that visible scarring is avoided. But this advantage comes at a price. Alloderm is extremely expensive and around $3000 of the material is usually needed, which knocks up the cost of a typical girth enhancement operation to around $8000.
Complications With Grafts
Both Dermal Fat Grafts and Alloderm do seem to produce much better results than Fat Transfer, but again complications can occur. With both procedures it's still possible that some reabsorbtion will take place, leading to a loss in girth. It's also possible for the grafts to shrink over time or for parts not to survive. In these cases, penis shortening or asymmetry are both possibilities.
I’ve worked with urologists who did penis enhancement surgery, but never saw an Alloderm graft. According to the Lifecell web site (producers of Alloderm) the material acts as a matrix for the patient’s own tissues to grow into. Since the material is derived from skin, it obviously isn’t very thick. In order to increase girth to any significant level, several layers of it would have to be applied. To me that would increase the time it would take for the patient’s cells to grow into the matrix and increase the chance of complications, even over fat grafts (speculation on my part).
If you’ve got the money and time and are ready to take the risks, it seems to be a choice that is not all that unusual for those inclined to use surgery rather than the "natural" or manual methods discussed here.