Primary Plasmacytoma of the Testis with no Evidence of Multiple Myeloma: a New Case Report and Literature Review

Plasmacytomas of the testis are extremely rare tumours; especially when occurring in the absence of a previous or concurrent diagnosis of multiple myeloma. We report a new case of solitary testicular plasmacytoma; with immunohistochemical studies showing monoclonal cytoplasmic production of IgG lambda light chains; in a 51-year-old man who had no evidence of multiple myeloma 3 years after the orchiectomy