Perirenal plasmacytomas

Case contributed by Michael P Hartung
Diagnosis almost certain


Multiple myeloma restaging.

Patient Data

Age: 60 years
Gender: Male

Left hilar soft tissue without obstruction. Bilateral retroperitoneal/perirenal masses. Presacral and extraperitoneal pelvic/space of Retzius masses. Subcutaneous and muscular (right paraspinal) masses. Multiple bone lesions.

Case Discussion

When staging/restaging multiple myeloma, keep a look for soft tissue masses (plasmacytomas), realizing that they can affect all organ systems. Expand your search pattern to carefully look for muscular and subcutaneous sites of disease, which might be targeted for palliative radiation therapy.

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