Background/aims: Primary splenic angiosarcoma is an aggressive malignancy originating from endothelial cells with a particularly poor outcome despite radical therapy. Owing to its extremely low incidence, available data for splenic angiosarcoma are limited. The present study aimed to address this limitation by presenting a thorough retrospective analysis of Chinese primary splenic angiosarcoma patients over a 53-year period (1963-2016).
Methods: To determine the characteristics of Chinese primary splenic angiosarcoma and identify factors that impact the outcomes of this histology, we retrospectively retrieved reports of 110 Chinese primary splenic angiosarcoma cases published between 1963-2012.
Results: In total, 61 males and 49 females diagnosed with primary splenic angiosarcoma were included in the present study. The median age at diagnosis was 50 years (range 2.5-76 years). Of these patients, 25.5% had received prior radiotherapy. The rate of splenic rupture was 59.11%. The 1-year overall survival rate was 19.1% with a median overall survival time of 8.1 months. Age, gender, and radiation history showed no correlation with survival rate. However, by univariate analysis, we found that significant adverse predictors of survival were splenic rupture before surgery and large tumor size (> 5 cm), while adjuvant chemotherapy was a favorable predictor. Furthermore, multivariate analysis revealed that splenic rupture and adjuvant chemotherapy were independent adverse and favorable predictors, respectively.
Conclusion: Our large series describes and confirms the characteristics and poor prognosis of Chinese primary splenic angiosarcoma, thus indicating a critical role for early diagnosis and surgical intervention (prior to rupture) in management, and highlights the promising potential of adjuvant chemotherapy for improving the outcome in these cases.
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Article Synopsis
- The study explores the challenges of diagnosing solitary splenic masses in dogs using abdominal ultrasound, which often can't definitively distinguish between benign and malignant lesions.
- Common differential diagnoses include various conditions such as hemangiosarcoma and hematoma, but less frequent tumors like splenic stromal sarcoma are also considered.
- The research specifically evaluated 13 dogs with splenic stromal sarcoma, noting that the masses were solid, noncavitary, and located in the mid-body of the spleen, suggesting that ultrasound can be a helpful diagnostic tool in these cases.
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