原发性结外淋巴瘤48例分析

目的 总结原发性结外淋巴瘤的临床表现，以提高对结外淋巴瘤的及时确诊率。方法 以1996～2005年5月该院48例结外淋巴瘤为分析对象。结外淋巴瘤所占比例、性别、年龄、发生部住、临床表现、误诊情况。结果 结外淋巴瘤占同期收治的恶性淋巴瘤的30，8％（48／156），结外淋巴瘤发病率男性高于女性。发病年龄高峰46岁。好发部位头颈部占37．5％，胃肠道占27．1％，误诊率68，8％。结论 应不断积累结外淋巴瘤的诊治经验，及早明确诊断减少误诊。

Analysis of 48 cases of primary extranodal lymphoma

Objective To sum up the characteristics of primary extranodal lymphoma(PENL) to improve the diagnosis. Methods The data of 48 cases of PENL from 1996 to May, 2005 our hospital was analyzed retrospectively. And we analyzed the proportion, sex, age, location, clinical characteristics, misdiagnosis etc. of PENL. Results The incidence of PENL was 30.8% (48/156) of the malignant lymphoma in the same period and the incidence in the males is higher than that of females. The median of peak age incidence is 46 years old. The frequent location of extranodal lymphoma in head and neck is 37.5% and gastrointestinal tract 27.1%. The rate of misdiagnosis is 68.8%. Conclusion Experience in diagnosis and treatment of extranodal lymphoma should be gathered for diagnosing correctly and reducing misdiagnosis.