[Association of non-secreting myeloma and ankylosing spondylitis. Considerations on a clinical case].

Connections between inflammatory rheumatic diseases and plasmacellular dyscrasias are still discussed. The observation of non-secretory IgA k myeloma occurred in a patient suffering by ankylosing spondylitis has induced us to do some considerations about the possible connections between these diseases and to stress the rarity of such association never reported in literature.