目的 探讨18氟代脱氧葡萄糖 (18F-FDG)PET-CT联合血清鳞状上皮细胞 癌抗原(SCC-Ag)对检测宫颈癌盆腔淋巴 结转移的诊断价值。方法 选取2017年1 月-2017年9月本院收治的56例宫颈癌术 后患者为研究对象，纳入患者分别行18FFDG PET-CT、血清SCC-Ag检查以及18FFDG PET-CT联合血清SCC-Ag检测，并以 术后病理结果或随诊(随访时间≥6个月) 结果为金标准，评估三者对宫颈癌盆腔 淋巴结转移的诊断价值。结果 18F-FDG PET-CT联合血清SCC-Ag诊断宫颈癌盆腔 淋巴结转移的灵敏度、特异度、准确度 分别为91.67%、85.00%、89.29%，较18FFDG PET-CT诊断或血清SCC-Ag检测宫颈癌 盆腔淋巴结转移的灵敏度、特异度、准 确度(69.44%/75.00%、80.00%/65.00%、 73.21%/71.43%)高。结论 18F-FDG PET-CT 联合血清SCC-Ag检测对宫颈癌盆腔淋巴结 转移的诊断有较高灵敏度、特异度和准确 度，有一定临床推广应用优势。

Objective To investigate the value of 18 fluorodeoxyglucose (18F-FDG) PETCT combined with serum squamous cell carcinoma antigen (SCC-Ag) in diagnosing pelvic lymph node metastasis of cervical cancer. Methods A total of 56 patients with cervical cancer who were treated in the hospital from January to September 2017 were selected as the subjects. All patients underwent 18F-FDG PET-CT, serum SCC-Ag examination and 18F-FDG PET-CT combined with serum SCC-Ag detection. With postoperative pathological results or follow-up (follow-up time was 6 months) results as the golden standard, the value of the three in the diagnosis of pelvic lymph node metastasis of cervical cancer was evaluated. Results The sensitivity, specificity and accuracy of 18FFDG PET-CT combined with serum SCC-Ag in the diagnosis of pelvic lymph node metastasis of cervical cancer (91.67%, 85%, 89.29%) were higher than those of 18FFDG PET-CT or serum SCC-Ag (69.44%/75.00%, 80.00%/65.00%, 73.21%/71.43%). Conclusion The sensitivity, specificity and accuracy of 18F-FDG PET-CT combined with serum SCC-Ag detection are high in the diagnosis of pelvic lymph node metastasis of cervical cancer.