Primary solid neoplasms of the extratesticular tissues are rare. The reported prevalence rate of paratesticular neoplasms is between 3% and 16% of all patients referred for scrotal ultrasonography. A plasmacytoma is a discrete, solitary mass of malignant monoclonal plasma cells that can arise in any part of the body. In this report, we present a case of a paratesticular solid mass detected in an 80-year-old patient that proved to be primary extraosseous plasmacytoma on surgery, and discuss its sonographic features.
Massihullah Hamidi, Paul Nikolaidis, Frank H. Miller, David D. Casalino, Nancy A. Hammond, Jeanne M. Horowitz and Helena Gabriel Lesions Without Borders: Scrotal Lesions That Involve Both the Intratesticular and Extratesticular Regions American Journal of Roentgenology 210(2) 2018 W70. Doi: 10.2214/AJR.17.18369
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