近年来,多发性骨髓瘤(MM)发病率呈上升趋势,但由于患者早期临床症状多不典型或是受骨髓穿刺取材的限制常被漏诊,使病情延误。天津医科大学总医院血液科近期收治了1例院外IgA增高4年、多次髂骨穿刺涂片未被确诊的MM患者,直至转到我院行胸骨穿刺涂片才被确诊,现将该病例介绍如下 In recent years, the incidence of multiple myeloma (MM) is on the rise, but due to the early clinical symptoms of patients with atypical cases or by the limitations of bone marrow biopsy is often missed, so delay the condition. Tianjin Medical University General Hospital Department of Hematology recently admitted 1 case of extra-hospital IgA increased 4 years, many iliac bone suture smears were not diagnosed MM patients, until transferred to our hospital sternum puncture smear was diagnosed, now the case Introduced as follows