• Xia Wang, Zhiqin Lu, Yuxi Luo, Jing Cai, Jianping Wei, Anwen Liu, and Zhimin Zeng.
• Department of Oncology, The Second Affiliated Hospital of Nanchang University, China.
• Medicine (Baltimore). 2022 Feb 11; 101 (6): e28785e28785.

AbstractPrimary pleural angiosarcoma (PPA) is an extremely rare malignancy for which there is no consensus on treatment. The clinical course of PPA is usually quickly fatal, regardless of the treatment used.We summarized and evaluated a relatively large population of published PPA cases to assess prognostic factors, diagnostic approaches, treatment methods and clinical outcomes. Using the CNKI, Embase, and PubMed databases, literature published in English and Chinese from 1988 through 2020 was searched using the terms "primary pleural angiosarcoma," "pleural angiosarcoma," and "pleuropulmonary angiosarcoma."A total of 43 patients with PPA were identified in retrospective case series and case reports. The median age at diagnosis was 64 years (range 24-87 years), and the median overall survival was 4 months (range 0.1-180 months). Approximately 80% of patients died from PPA within 10 months of diagnosis, and the 2-year survival rate was approximately 4.4%. In univariate analyses, the presence of pleural effusion and hemothorax were significant predictors of decreased survival, with hazard ratios (HRs) of 2.7 (P = .04) and 3.3 (P = .006), respectively. Sixteen patients received no therapy, and their prognosis was worse than patients who did receive therapy (P = .019). Radiation therapy improved survival more than no radiation therapy (P = .007). Patients appeared to derive clinical benefit from chemotherapy (P = .048). However, tumor resection did not seem to provide a survival benefit (P = .051). In multivariate analysis, tumor resection, and radiation were independent, statistically significant, positive predictors of better survival, with HRs of 0.3 (P = .017) and 0.1 (P = .006), respectively. The presence of hemothorax was an independent predictor of worse prognosis (P = .006).Primary angiosarcoma of the pleura is a rare, poorly understood malignancy with a poor prognosis; hence, the clinical spectrum of PPA is not completely defined. By multivariate analysis, this retrospective study showed a survival benefit of tumor resection or radiation therapy, and the presence of hemothorax was a significant prognostic factor for poor outcomes.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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