Dermatofibrosarcoma protuberans post basal cell carcinoma excision: A case report

Background: Dermatofibrosarcoma protuberans (DFSP) is a rare fibrohistiocytic tumour of unknown pathogenesis with intermediate malignant potential.Although trauma has been hypothesized as a predisposing factor for DFSP development, clinicopathological characteristics of trauma-related DFSP have not been investigated.Objective: This study investigated the differences between trauma-associated DFSP and trauma-unrelated DFSP.Methods: Patients histopathologically diagnosed with DFSP from January 2000 to December 2019 at the Dermatology Department were included. Clinical, histopathological, prognostic features and trauma history were analysed. Results:We recruited 141 patients with DFSP (mean age, 36.1 years; male: female, 1:1.01). Recurrence and systemic metastasis were observed in 15.6% and 2.8% of patients, respectively. Older patients were likely to develop DFSP at the trauma sites more frequently on the face and lower legs. The active-growing lesions were more frequently associated with trauma-related DFSP. Multivariable logistic regression revealed that age at diagnosis (OR: 1.031; 95% CI: 1.004-1.059; p = 0.024) and tumour growth (OR: 3.336; 95% CI: 1.162-9.578, p = 0.025) were significantly associated with trauma-related DFSPs. Conclusions:The age at diagnosis, lesion location and tumour growth were associated with DFSPs in this study. Analysis of DFSP with trauma history provides a deeper understanding of long-term trauma effects on sarcoma development.

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Clinical and histopathological analysis of 141 dermatofibrosarcoma protuberans in Korea: A comparative study according to trauma

Choi

Lee

et al. 2022

Aust J Dermatology

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Dermatofibrosarcoma protuberans post basal cell carcinoma excision: A case report

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Clinical and histopathological analysis of 141 dermatofibrosarcoma protuberans in Korea: A comparative study according to trauma

Clinical and histopathological analysis of 141 dermatofibrosarcoma protuberans in Korea: A comparative study according to trauma

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