Extramedullary plasmacytoma of the testis: A case report
نویسندگان
چکیده
Testicular cancer accounts for nearly 1% of all malignant disease in male patients. The annual incidence of testicular cancer in Japan ranges from approximately 0.7 to 1.8/100,000 patients. A total of 90%e95% of testicular cancers are categorized as germ cell tumors, including seminoma and non-seminoma. Other non-germ cell tumors account for <10%. Extramedullary plasmacytoma (EMP) is reported to account for only 0.03%e0.15% of all cases of testicular cancer.1 EMP is a solitary mass of neoplastic plasma cells occurring in soft tissue without bone marrow. EMP represents only 5% of all plasma cell neoplasms,2 and most commonly occurs in the head and neck region. We herein report a rare case of EMP of the testis.
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Extramedullary plasmacytomas are plasma cell tumors that arise outside the bone marrow. They are most often located in the head and neck. Extramedullary plasmacytomas account for approximately 3 percent of plasma cell malignancies. The diagnosis of an extramedullary plasmacytoma depends upon the demonstration of a monoclonal plasma cell tumor at an extramedullary site with no evidence of multip...
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