Autologous granulation tissue tubes for replacement of urethral defects: An experimental study in male rabbits

An autologous granulation tissue tube grown subcutaneously could be successfully used to repair urethral defects of 1 cm in male rabbits.404Summary Figure. Autologous granulation tissue tube formation. (A) Silastic tube implantation; (B) harvested granulation tissue tube 2 weeks after implantation; (C) hematoxylin/eosin staining (200×); (D) immunohistochemistry with α-SMA (200×); (E) Masson's trichrome staining (200×); (F) transmission electron micrographs showing myofibroblasts (5000×).