Treatment of the multiple myeloma has developed rapidly during the last years. Introduction of autologous transplantation in the ninetieth of the previous century radically prolonged the period of survival. New types of drugs influencing the metabolism of myeloma cells and their adhesion to neighbouring tissues brought promising improvement of the therapy results. In spite of the optimistic view, multiple myeloma represents an incurable disease and its multiplex manifestations in the skeleton endanger the patient by pathologic fractures and significant decrease of the duality of life. In the article we aimed to identify reliability of individual diagnostic methods. The manifold symptomatology of the disease implies the necessity of complex evaluation of the patient’s status, considering the risks of surgical intervention and the possibility of related complications. In the surgical treatment selection of the most appropriate approach and type of implant related to the prognosis of survival with the aim to improve the quality of life of the patient.

        Key words: multiple myeloma, Mirels score, osteolytic lesion, stabilization of the skeleton.