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目的：探讨18氟-氟代脱氧葡萄糖（18F-FDG）PET/CT 对淋巴瘤诊断、分期和疗效的评价价值。方法：入选我院2008 年1 月至2013 年1 月收治的52 例经手术病理证实为淋巴瘤的患者，均进行18F-FDG PET/CT 检查，并与病理结果进行比较，评价诊断价值，治疗前后对比分期改变，评价疗效和改变治疗方案。结果：PET/CT 诊断发现异常高代谢情况51 例（98.1%），其对淋巴瘤检查的灵敏度为98.1%（51/52），诊断率与病理结果比较相当，差异无统计学意义（P＞0.05），治疗后，11 例（21.2%）完全恢复，PET/CT 未见高代谢或肿大情况，3 例（5.8%）临床分期上调，15 例（28.8%）分期下调，其中15 例（28.8%）改变治疗方案。结论：18F-FDG PET/CT 对淋巴瘤诊断准确性高，在分期和疗效评价中具有重要意义，有助于准确分期并鉴别残余病变性质。

英文摘要:

Objective:To investigate value of the fluorine -18- fluorodeoxyglucose（18F-FDG）PET/CT for lymphoma diagnosis, staging and treatment evaluation.Methods:52 cases of confirmed by operation and pathology of lymphoma patients were treated from January 2008 to January 2013 in our hospital as the object of study, all underwent （18F-FDG）PET/CT examination, and compared with the pathological results, evaluated the value of diagnostic, and before and after the treatment stage change, to evaluate the efficacy and change of the treatment plan.Results:PET/CT diagnosis of abnormal high metabolism in 51 cases (98.1%), the sensitivity for detecting lymphoma was 98.1% (51/52), rate and pathological results of diagnosis is quite, there was no significant difference (P>0.05), after treatment, 11 cases (21.2%) recovered completely, no high metabolism or swelling was found by PET OR CT in 3 cases (5.8%), clinical stage increased, 15 cases (28.8%) stage down, including 15 cases of (28.8%) to change the treatment.Conclusion:（18F-FDG）PET/CT on lymphoma diagnosis accuracy is high, has the vital significance in staging and evaluation of therapeutic effect, conduce to accurate staging and differential residual lesions.

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