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Figure 2. Schematic representation pf FTSG harvest, tubularization, and intra-abdominal passage. The distal anastomosis is visualized
perineally, while the proximal anastomosis is seen robotically. FTSG: Full-thickness skin graft.
Figure 3. Appearance of FTSG harvest sites after layered closure. Harvest from the non-hair bearing lower abdomen and groin yields
plentiful, robust donor tissue. FTSG: Full-thickness skin graft.
For less severe canal stenosis, peritoneal flaps alone may suffice to augment depth. A helpful preoperative
