PMC3612867_01
Abdominal CT scan showing the retroperitoneal localization
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Two months later he complained an irregular mass occupying the left side of abdomen; thoraco-abdominal CT scan showed two other localizations: mediastinal at 70x30mm and retroperitoneal 90x60mm (Figure 1).
Left:H ex 40 plasmacytoid diffuse proliferation at the biopsy of retroperitoneal soft tissue Right: Immunophenotyping showing an expression of lambda chain
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Hence, the histological diagnosis of recurrent plasmacytoma was made (Figure 2).