Unusual Extramedullary Manifestation in Multiple Myeloma: Bilateral Synchronous Testicular Infiltration
Dimitrios Strauss1, Christos Sachpekidis1, Ulrike Dapunt2
1From the Clinical Cooperation Unit Nuclear Medicine, German Cancer Research Center.
Abstract:
A 73-year-old man with multiple myeloma (initial diagnosis 21 months earlier) was referred to our center for a whole-body 18 F-FDG PET/CT. We detected a bilateral synchronous testicular manifestation, which was confirmed by histopathology after orchiectomy. Besides hypermetabolic lesions in the spine and ribs (most likely old fractures), known osteolysis showed no uptake. Extramedullary manifestation occurs in 13% to 20% of cases, among these 4% demonstrate testicular manifestation, which is associated with poor survival rates. Optimal therapy management is still unclear, due to limited data. To the authors' knowledge, so far only 3 comparable cases have been described.
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