Extramedullary plasmacytoma of the testicle

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Abstract
Extramedullary plasmacytomas of the testis are extremely rare. This is a report of a patient with plasmacytoma of the testicle who also had an extramedullary plasmacytoma of the epipharynx 12 months earlier. Sonography (US) scans showed a heterogenous mass of the right testicle with hypoechoic echo pattern; ultrasonically guided fine-needle aspiration biopsy (UGFNAB) allowed confirmation of the diagnosis. Immunoperoxidase studies, performed on histologic specimen after a radical right orchiectomy showed a monoclonal staining pattern of intracellular immunoglobulin for IgA-K type. Bone marrow biopsy, skeletal X-ray and immunoelectrophoresis were all within normal limits. The patient was successfully treated by surgey and is still alive with no evidence of disease.