Abstract
Dermatofibrosarcoma protuberans (DFSP) is a slow growing dermal tumor with a very low metastatic potential but with significant subclinical extension and capacity for local destruction with local recurrence rates ranging from 0 to 50%. Controversy exists regarding margin width and excision techniques, with some advocating Mohs surgery and others wide excision. We reviewed the excision technique along with the recurrence rates at a tertiary care center in eastern India. This study is a retrospective review of patients with DFSP from June 2011 to September 2018. Patients had initial wide excision using 2–3 cm margins with primary closure or reconstructive procedure; re-excision was done for positive margins. Pathologic analysis included en face sectioning. We evaluated margin width, number of excisions, reconstruction methods, radiation, and outcomes. A total of 31 patients with DFSP (15 males, 16 females), median age 41 years (range 14–82), were treated. Locations were extremities (13), trunk (12), and head and neck (06). The median number of excisions to achieve negative margins was 1 (range 1–3). Closure techniques included primary closure (13; 42%), tissue flaps (13; 42%), and skin grafting (05; 16%). There were 11 patients who received postoperative radiation, 4 for positive margins after maximal surgical excision. At a median follow-up of 24 months (range 1–72), 2 patients (6.5%) recurred locally, and 1 patient (3.2%) had lung metastasis. Using a standardized surgical approach including meticulous pathologic evaluation of margins, low recurrence rate (10%) was achieved with adequate margins (2–3 cm).
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Verma, H., Sehgal, K., Panchal, K.B. et al. Presentation and Management of Dermatofibrosarcoma Protuberans: a Single Center Protocol. Indian J Surg Oncol 11, 35–40 (2020). https://doi.org/10.1007/s13193-019-01007-3
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DOI: https://doi.org/10.1007/s13193-019-01007-3