bigger risk with LON or with full External Lengthenin

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Are you of the opinion that fully external lengthening is better in terms of comlications than LON method? (femur aswell as tibias).

External: - longer time in external device

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It didnt post my whole text somehow, so i repost now.

External: - longer time in the device -> more infections
              + can fix bow bones more easy

LON Method: - loss of bone narrow (is that even bad?)
                    - harder to fix bow bones
                    - more risks liek fat ebolism (which is deadly!)
                     - second surgery is required
                      - possible permanent knee pain
                     + less time in frame and less time for consolidation because of the IM nail supporting the leg
                     

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yes im 19 years old. But I think these cells will come back again