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Subtotal Thigh Flap for Large Abdominal Wall Defect Reconstruction in Patient With Recurrent Dermatofibrosarcoma
Pei-Ju Hsieh1, Min-Yen Shi2, Chi-Ming Pu
1From the Division of Plastic Surgery, Department of Surgery, Cathay General Hospital.
Background:
Harvesting an adequate-sized flap is challenging for reconstructing large defects on the abdominal wall. A subtotal thigh flap would be one of the choices as it provides a well-vascularized large flap with muscle components. Moreover, dermatofibrosarcoma protuberans (DFSP) is a low-grade dermal neoplasm with a high recurrence rate. There is still no consensus on the extent of resection to prevent a recurrence.
Objectives:
We present a case of a patient who underwent the reconstruction of a large abdominal wall defect with a subtotal thigh flap after the resection of recurrent DFSP.
Materials And Methods:
A 59-year-old man killed from a recurrent huge mass in the lower abdomen with an invasion of the small intestine. His baseline characteristics and records of operations, medications, and outcomes were reviewed.
Result:
After tumor excision, a 28 × 30-cm subtotal thigh flap was harvested from his left thigh to reconstruct the abdominal defect. A microvascular anastomosis with left deep inferior epigastric vessels was made eventually. The flap was in good condition, and the donor site was covered with a split-thickness skin graft.
Conclusions:
Subtotal thigh flap may be considered for large abdominal wall defect reconstruction as it allows good perfusion of relatively large skin paddles compared with other free flaps. Also, patients with DFSP need definite margin-free resection and close follow-up to prevent a recurrence.
