We present a rare extramedullary, bifocal, and hyposecretory manifestation of relapsed MM that could be mistaken for an infection. We stress the importance of complex evaluation including serum, urine, and bone marrow assessment and whole-body imaging.

Department of Clinical Biochemistry Faculty of Medicine and Dentistry Palacky University Olomouc and University Hospital Olomouc Olomouc Czech Republic

Department of Hemato Oncology Faculty of Medicine and Dentistry Palacky University Olomouc and University Hospital Olomouc Olomouc Czech Republic

Department of Nuclear Medicine Faculty of Medicine and Dentistry Palacky University Olomouc and University Hospital Olomouc Olomouc Czech Republic

Department of Radiology Faculty of Medicine and Dentistry Palacky University Olomouc and University Hospital Olomouc Olomouc Czech Republic

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