Background: Soft tissue sarcomas (STS) pose challenges in management due to large defects following wide resection. Reconstructive options are often limited, especially in patients with large circular defects below the gluteal region. This article addresses the question of how to effectively reconstruct such defects while minimizing donor-site morbidity. We present our experience with using an L-shaped combined scapular and parascapular flap after STS resection, highlighting the novelty of employing indocyanine green (ICG) angiography to ensure optimal blood flow and surgical safety.

Methods: We retrospectively reviewed patients who underwent STS resection and immediate reconstruction using an L-shaped scapular and parascapular combined flap between October 2022 and April 2024. The feasibility of the procedure was assessed by analyzing the patient demographics, tumor characteristics, defect and flap sizes, operative time, and postoperative outcomes, including donor-site complications and shoulder function.

Results: Six patients underwent reconstruction using an L-shaped combined flap with no donor-site complications or significant shoulder dysfunction. The average sizes were 15.7 × 13.7 cm for the defect, 20 × 7 cm for the scapular flap, and 23 × 7.3 cm for the parascapular flap. The average operative time was 7 h and 9 min. The average follow-up period was 10.2 months. Except for one case of partial flap necrosis, all flaps survived completely, highlighting the reliability of the procedure.

Conclusion: L-shaped combined scapular and parascapular flaps are promising reconstructive techniques for large surface defects after STS resection with low donor-site morbidity and preservation of shoulder function. The novel application of these flaps for large circular defects below the gluteal region, combined with the use of ICG angiography to ensure flap viability and enhance surgical safety, are key contributions of this study.

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Source
http://dx.doi.org/10.1002/micr.31259DOI Listing

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