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Prostate angiosarcoma: is there any association with previous radiation therapy?
Waseem Khaliq1, Christian F Meyer, Ikechukwu Uzoaru
1Departments of Medicine Medical Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA. wkhaliq1@jhmi.edu
BJU International
|May 16, 2012
Summary
Prostate angiosarcomas are rare sarcomas. This review found weak evidence linking them to prior radiation therapy, despite its common use for prostate cancer.
Area of Science:
- Oncology
- Pathology
- Urology
Background:
- Angiosarcomas are rare histological subtypes of sarcomas.
- Prostate gland involvement by angiosarcoma is exceptionally rare, with only ten cases reported.
- Post-irradiation angiosarcoma of the prostate is considered a rare occurrence.
Purpose of the Study:
- To review all reported cases of prostate angiosarcoma.
- To describe the epidemiology, etiology, clinical presentation, histopathology, prognostic factors, and treatment options.
- To evaluate the association between prostate angiosarcoma and prior radiation therapy.
Main Methods:
- A comprehensive literature search was conducted using PubMed, EmBase, and Cochrane databases.
- All reported cases of prostate angiosarcoma were reviewed.
- Observational studies on radiation-associated cancer occurrence were also evaluated.
Main Results:
- Prostate angiosarcomas exhibit significant clinical and pathological heterogeneity.
- The association between prostate angiosarcoma and prior radiation therapy appears weak.
- Current literature and case reports do not strongly support radiation exposure as a primary etiological factor.
Conclusions:
- Prostate angiosarcoma is a rare and challenging diagnosis.
- The etiological link to radiation therapy is not well-supported by existing evidence.
- Further research may be needed to fully understand the origins and optimal management of this rare tumor.
