Nietypowe objawy kliniczne szpiczaka plazmocytowego

Multiple myeloma accounting for 10% of malignancies of haematopoietic system is a heterogenous disease. In the era of individual approach to the patient, we are more and more interested in distinct features and forms of this malignancy. In the article, we described rare MM manifestations with reference to location (central nervous system and skin), M-protein produced by the tumor cells (biclonal and immunoglobulin M), early onset of the disease (young versus old) and pregnancy in MM patients.