18F-FDGPET/CT成像对不明原因颈部淋巴结肿大转移病灶的诊断价值(1)
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【摘要】 目的 探讨18F-FDGPET/CT 显像对原发灶不明的颈部淋巴结肿大转移癌的诊断价值。方法 选45例原发灶不明颈部淋巴结肿大转移癌患者行18F-FDGPET/CT全身显像，将拍摄的PET/CT片用视觉判断和测定356参数值,对原发灶不明颈部淋巴结肿大转移癌患者作诊断与鉴别诊断。结果 45例患者中找到原发灶者 40例,占88.9%(40/45),其中3 例为炎症，2例为结核，假阳性率为11.1%(5/45)。结论 18F-FDGPET/CT全身显像能有效地发现颈部淋巴结肿大转移癌患者的原发灶，能了解全身各脏器病灶分布情况，为肿瘤患者选择正确的治疗方案、评估病情预后有着重要的临床价值。
【关键词】 正电子发射型计算机断层扫描；氟化脱氧葡萄糖；颈部淋巴结转移癌；原发肿瘤。
Diagnosis value of the research of 18F-FDG PET/CT scan on patient with nknown primary cervical lymph node enlargement with metastatic carcinoma
PAN Jian-hu,HAO Jian, OU Xiao-bo,et al.PET-CT center, Hangzhou Military Clinical College of the 117th Hospital,Anhui Medical University, 310013,China
【Abstract】 Objective To explore the diagnosis value of the 18F-FDGPET/CT imaging for patients with unknown primary cervical lymph node enlargement with metastatic carcinoma.Methods 45 patients with unknown primary cervical lymph node enlargement with metastatic carcinoma were done 18F-FDGPET/CT systemic imaging, with the visual judgment and the SUV of parameters which were diagnosed and differential diagnosed of unknown neck lymph node enlargement with metastatic carcinoma.Results 40 cases of the patients were found the unknown primary cervical lymph node enlargement with metastatic carcinoma, 88.9% (40/45).3 cases of inflammatory, and 2 cases of tubercutosis,5 cases of patients which were a false positive patients, the false-positive rate was 11.1 % (5/45). Conclusion 18F-FDGPET/CT systemic imaging which can effectively found unknown primary cervical lymph node enlargement with metastatic carcinoma.Which can know each viscera organ of lesions distribution for cancer in all of the body. It is an important clinical estimate value to choose the right treatment, evaluate the illness.
【Key words】 Positron emission tomography(PET);Fluorinated deoxidizing glucose(18F-FDG);Cervical lymph node metastases carcinoma;Primary tumors
原发灶不明转移癌(cancer of Unknown primary, CUP)是有一个或多个被病理检查证实的转移灶，而常规诊断手段不能确定其原发肿瘤者，约占癌症患者中的 5%~10%[1]。本研究选择原发灶不明颈部淋巴结肿大伴转移癌45例患者进行了回顾性总结，探讨了18F-脱氧葡萄糖(FDG)PET/CT显像对原发灶不明颈部转移癌的诊断价值 ......
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