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espanolPresentamos el caso de una mujer de 60 anos de edad que acudio a nuestro hospital por dolor precordial pleuromecanico y fue diagnosticada de fracturas oseas multiples. La biopsia de medula osea dio el diagnostico de mieloma multiple y no se detecto pico monoclonal, ni tampoco cadenas ligeras en sangre ni orina. El diagnostico final fue de mieloma multiple no secretor y fracturas espontaneas secundarias. El mieloma multiple no secretor representa solo el 3% del total de mielomas multiples y tiene caracteristicas peculiares que hacen necesaria su distinction del resto de mielomas. EnglishWe present the clinical case of a 60 year-old woman who was admitted to our hospital referring a precordial pleuromechanic pain and was diagnosed with multiple bone fractures. A bone marrow biopsy gave the diagnosis of multiple myeloma and no monoclonal peak was detected, neither light chains in blood nor urine. The final diagnosis was non-secretory multiple myeloma and secondary spontaneous fractures. Non-secretory multiple myeloma represents only 3% of all multiple myelomas and has several characteristics that make it important to distinguish from other myelomas