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Post traumatic peno-scrotal                      Necrotizing soft tissue infection
                         soft tissue loss                                      scrotum




                                                                     Initiate hyperbaric therapy

                 Early reconstruction following
                          debridement
                                                                         Would debridement




                   Follow up with hyperbaric                          Follow up with hyperbaric
                 therapy (minimum 6 sessions)                                  therapy




                                                                   Multiple debridement with skin
                 Secondary procedures if any                                   grafting


            Figure 4: Algorithm devised for incorporating hyperbaric oxygen therapy into the treatment protocol of penoscrotal injuries
                                                                           [8]
            Pedicle gracilis muscle flap is useful in cases of unilateral or   flap elevation.  Superiorly based medial thigh flap is
            bilateral scrotal tissue loss. Gracilis muscle flap eliminates   early single staged sensate flap coverage. The flap has
            the dead space and provides appropriate padding of   the advantage of utilizing a single lower extremity and
            testicular tissue with appropriate cosmetic appearance. This   the ipsilateral gracilis muscle flap could also be included
            well vascularized muscle flap prevents bacterial inoculums   if the defects are larger. Donor area could be closed
                                         [6]
            and provides optimal wound healing.  Superomedial thigh   primarily which prevents the need for skin grafts. Flap
            flap is another alternative for soft tissue reconstruction   dissection is easier compared muscle flap with fewer
            of the scrotal region. The genital branch of genitofemoral   kinks at the pedicle and dog ear formation. However,
            nerve and ilioinguinal provides sensation to the flap. Flap   in fatty individual, it results in bulky neoscrotal bag and
            has a sensate component compared to the gracilis flap   there will be difficulty in the transposition of the flap to
            but may be bulky and may not be aesthetically pleasing.   the scrotal region.  Skin grafting to the scrotal defect is
                                                                             [9]
            Partial wound dehiscence, serous fluid collection at the   useful in Fournier’s gangrene where there is adequate
            donor site, paraesthesia over the anterior part of thigh   granulation tissue formation filling the deep pockets in the
            and bulky flaps were significant to note as complications   testicular region. The technique is quite simple and easily
            in utilizing these flaps.  The pudendal thigh flap is   reproducible compared to the flaps. The reconstruction
                                 [7]
            another fasciocutaneous flap are relative simple for flap   also provides tension-free, cosmetically appealing scrotum
            elevation with reliable. The donor site can be closed   with complete testicular coverage. The disadvantage of skin
            primarily and no muscle function is sacrificed. Other Flaps   grafting technique is that it may require multiple stages if
            are ALT flap and vertical rectus abdominis muscle flap,   the wound bed is not even or healthy. Deep pockets in the
            which may require long transit of pedicle, microsurgical   testicular region following trauma are difficult to cover with
            expertise, increased donor site morbidity, and may result   skin grafting procedure. [10]
            in a bulky flap.
                                                              Our preferred method of scrotal reconstruction in
            Gracilis muscle flap for scrotal reconstruction easily   posttraumatic defect is gracilis muscle flap with skin
            covers the scrotal defects with deep pockets. As the   grafting. Skin grafting is preferred for necrotizing fasciitis
            muscle flap is well vascularized, there is greater resistance   involving the scrotal and testicular region. Hyperbaric
            to further infection, adequate bed for skin grafting, also   oxygen therapy as an adjunct enhances the recovery in
            eliminates the risk of skin loss associated with potentially   both traumatic and infectious condition.
            non reliable skin paddle in the myocutaneous or
            fasciocutaneous flap. Donor site morbidity considerably   In our series, we utilized gracilis muscle flap in 3 patients
            less compared to the superiorly based medial thigh flap   with scrotal tissue loss and superomedial thigh flap in 2
            and the flap is aesthetically well appealing. Disadvantage   patients. Patients with necrotizing soft tissue infection
            of the flap is the need for microsurgical expertise for   were managed with multiple debridement and skin
            Plast Aesthet Res || Volume 3 || August 12, 2016                                              277
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