Abstract
AimsSecondary angiosarcoma is known to be associated with lymphoedema or radiation after cancer treatment. This systematic review aims to evaluate the clinical features and outcomes of secondary angiosarcoma commonly arising after breast cancer treatment. Materials and methodsA systematic review was carried out according to the PRISMA protocol. Medline, EMBASE, CINAHL and Cochrane databases were searched for English articles to April 2018 with predefined strategy. Retrieved studies were independently screened and rated for relevance. Data were extracted by two researchers. ResultsThere were 72 secondary angiosarcomas of the limbs. Most patients (n = 68, 94.4%) had a history of lymphoedema. The median latent period was 15 years (range 3–40 years). Thirty-eight (52.8%) patients received wide excision or amputation as a treatment for the angiosarcoma, two (2.8%) patients received isolated limb perfusion and one (1.4%) patient received systemic chemotherapy. The remaining patients received palliative care/undocumented treatment. The pooled median duration to mortality was 10.5 months (range 1–144 months). Of note, obesity was documented in seven (9.7%) patients. There were 83 breast angiosarcomas; all with known breast cancer history. Thirty-one (37.3%) patients received mastectomy as breast cancer treatment. Fifty-four (65.1%) patients had a history of adjuvant radiotherapy for the primary breast cancer. The median latent period was 6 years (range 2–50 years); the median size was 40 mm (range 8–200 mm). Forty-one (49.4%) patients received wide excision, 19 (22.9%) patients received completion mastectomy and 23 (27.7%) patients have undocumented treatment for angiosarcoma. The pooled median duration to mortality was 31 months (range 6–168 months). ConclusionAngiosarcoma in lympedematous upper limbs or after breast cancer irradiation remains uncommon. However, its long latency and high mortality warrant long-term vigilant surveillance.
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