From the inside to the periphery, the proper rectal fascia, the presacral fascia, and the muscular fascia are distributed in an annular pattern around the mesorectum. The presacral fascia divides the perirectal space into 2 annular parts: the central retrorectal space and the peripheral presacral space. The retrorectal space is the ideal surgical plane for the total mesorectal excision.
Glabrous flow-through flaps provide excellent reconstruction for fingers with volar injuries associated with digital vessel damage. The great toe fibular flap and the medial plantar flap are reliable and useful options for complicated finger injuries associated with digital vessel and nerve injuries.
The full-length finger reconstruction procedure allows for construction of natural-appearing full-length fingers with normal PIP joint positioning and a near-normal functional recovery for proximal digital amputation. The operation is technically complex and time consuming and demands a skilled operator for successful outcomes.
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