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浆细胞瘤分髓内和髓外两型,二者又有单发和多发两种形式,而多发的髓内型实为多发性骨髓瘤;且髓外可转化到髓内,单发也可转化成多发。 髓外浆细胞瘤很少见。日坛医院1958～1964年在4万肿瘤初诊患者中仅发现3例(喉头、鼻腔、软腭各1例),国内文献有个案报告。Pahor收集了1963～1972年伯明翰地区癌症登记资料,从中发现本症22例,其发病在该地区5百万人口中每年约有2例以上,与多发性骨髓瘤之比为1:40。到1973年国外文献报告约250例。从所报告的病例看,约70～90％的髓外浆细胞瘤发生在头颈部,而又以鼻腔为最多。我们收
Plasmacytoma intramedullary and extramedullary two types, both single and multiple have two forms, and multiple intramedullary in fact it is multiple myeloma; extramedullary and can be transformed into the intramedullary, single can also be Into multiple. Extramedullary plasmacytomas are rare. Ritan Hospital from 1958 to 1964, 40,000 newly diagnosed patients with tumors were only found in 3 cases (larynx, nasal cavity, soft palate in 1 case), the domestic literature case reports. Pahrew collected Birmingham Cancer Registry data from 1963 to 1972 and found that 22 of 22 were diagnosed as having an incidence of more than 2 cases per year in about 5 million of the region’s population, compared to multiple myeloma at a ratio of 1:40. By 1973 foreign literature reported about 250 cases. From the reported cases, about 70 to 90% of extramedullary plasmacytoma occurred in the head and neck, and the nasal up to. We receive