Abstract
Background
Reconstruction of foot defects following oncologic resection is a crucial element in the treatment of soft tissue malignancy of the foot.
Objective
The present study aimed to comprehensively evaluate outcomes of oncologic foot reconstruction using free perforator flaps.
Methods
Outcomes of patients with soft tissue malignancy of the foot who underwent reconstruction using a free perforator flap following ablative surgery were reviewed, and perioperative and delayed complications (secondary debulking operation and flap instability) were documented. The Foot Function Index (FFI) questionnaire was surveyed to assess functional status.
Results
Overall, 72 patients were analyzed, with a median follow-up period of 28 months. Malignant melanoma was a predominant etiology. Three kinds of perforator flaps were used, with the thoracodorsal artery perforator flap being the most common. Flaps with skin dimensions matching the defect size were inset and the thickness of the flaps was controlled with primary defatting. Flap re-exploration was conducted in 11 (15.2%) cases and total flap loss occurred in 3 (4.2%) cases. Delayed complications developed in an additional 12 cases, therefore 23 (31.9%) cases required a return to the operating room. The average FFI score was 8.86 at postoperative month 36, on average (range 11–128 months). All respondents reported being independently ambulatory and had minimal difficulty in their daily lives. Reconstruction of defects on weight-bearing regions showed a significantly higher FFI score than that on nonweight-bearing regions (mean 11.96 vs. 4.79, p = 0.029), although the scores remained very low for both instances.
Conclusions
Oncologic foot defects can be reliably reconstructed using well-contoured free perforator flaps with minimal functional morbidity.
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