18F-FDG PET/CT显像监测卵巢癌术后复发转移的价值

目的:探讨PET/CT在监测卵巢癌术后复发、转移中的应用价值.方法:回顾性分析20例卵巢癌术后患者全身18F-FDG PET/CT显像结果,临床随访时间6～18个月.确诊依据为手术病理检查、穿刺活检、多种影像学检查和临床随诊.结果:20例患者中,13例(65%)患者最终确定有复发或转移,PET/CT诊断复发转移病例的灵敏度为100.0%,特异性为85.7%、准确性为95.0%.13例患者病理或随访确诊32处病灶, PET/CT共发现29处阳性病灶.PET/CT诊断复发或转移灶的灵敏度、特异性、准确率、阳性预测值及阴性预测值分别为84.3%(27/32)、81.8%(9/11)、83.7%(36/43)、93.1%(27/29)和64.2%(9/14).20例患者中,11例肿瘤标志CA125升高, 10例PET/CT检查显示复发或转移病灶,并经最终结果证实,1例血清CA125水平升高但PET/CT未检出转移灶,至随访结束未发现复发或转移.另有3例血清CA125水平正常,但PET/CT检查发现转移灶.结论:18F-FDG PET/CT检查诊断卵巢癌术后复发转移灵敏度、特异性和准确率较高,在卵巢癌术后监测中有重要作用.     

18F-FDG PET/CT在探测卵巢癌术后复发和转移中的价值

[目的]评价^18F-FDG PET/CT显像在探测卵巢癌术后复发病灶中的应用价值。[方法]采用仪器为Siemens Biograph Sensation 16 PET/CT，43例卵巢癌术后患者禁食4～6h，静脉注射^18F-FDG60min后进行PET/CT检查，采集方式为3D模式。PET/CT图像结果与血清CA125、B超及CT或MRI影像学资料进行比较。并与手术病理或临床随访结果比较判断其诊断的准确性。[结果]FDG PET/CT诊断卵巢癌复发的灵敏度、特异性和准确性分别为92.3%、100%和93.0%。血清CA125水平与FDG PET结果有一定相关性，33例CA125升高患者中31例PET显像阳性，10例CA125正常水平患者中仅有5例PET显像阳性。[结论]当常规影像学检查阴性或可疑时，PET/CT显像对卵巢癌复发的检测具有较高的灵敏度和准确性，特别术后患者CA125升高的情况下，FDG PET/CT有助于探测隐匿性复发或转移病灶，指导进一步的治疗。     

卵巢癌术后血清CA125检测与PET-CT检查结果对比分析

目的：探讨血清CA125检测和PET-CT检查对监测卵巢癌术后复发和转移的价值。方法所有53例卵巢癌术后患者均进行血清CA125检测及PET-CT检查。结果 CA125检测对卵巢癌术后复发和转移监测的准确率为81.1%,灵敏度为95.2%,特异度为27.2%,阳性预测值为83.3%,阴性预测值为60.0%;PET-CT检查对卵巢癌术后复发和转移监测的准确率为94.3%,灵敏度为97.6%,特异度为81.8%,阳性预测值为95.3%,阴性预测值为90.0%。结论 PET-CT检查对卵巢癌术后监测优于血清CA125检测,两者联合可作为卵巢癌术后监测的首选方法。     

18F-FDG PET/CT全身显像诊断结直肠癌术后复发和转移的价值研究

目的探讨¹⁸F-FDG PET/CT全身显像诊断结直肠癌术后复发和转移的临床价值。方法选取2017年4月至2019年6月间辽宁省健康产业集团抚矿总医院收治的行结直肠癌术的80例结直肠癌患者,均采用¹⁸F-FDG PET/CT全身显像检查及CT强化检查,以病理活检结果或再次手术为诊断金标准,比较以上两种诊断方式对患者术后复发及转移的准确度、敏感度及特异度。结果¹⁸F-FDG PET/CT全身显像检查术后复发的准确度为97.5%(78/80),敏感度为92.0%(23/25),特异度为100.0%(55/55);CT增强扫描检查术后复发的准确度为86.3%(69/80),敏感度为64.0%(16/25),特异度为96.4%(53/55)。¹⁸F-FDG PET/CT对术后复发的诊断准确度和敏感度均高于CT增强扫描,差异均有统计学意义(均P<0.05),两者诊断特异度比较,差异无统计学意义(P>0.05)。¹⁸F-FDG PET/CT全身显像检查术后转移的准确度为96.3%(77/80),敏感度为95.3%(41/43),特异度为97.3%(36/37);CT增强扫描检查术后复发的准确度为75.0%(60/80),敏感度为69.8%(30/43),特异度为81.1%(30/37)。¹⁸F-FDG PET/CT对术后转移的诊断准确度、敏感度及特异度均高于CT增强扫描,差异均有统计学意义(均P<0.05)。结论¹⁸F-FDG PET/CT全身显像诊断结直肠癌术后患者复发的准确度及敏感度较高,诊断术后转移的准确度、敏感度及特异度均较高,有较好的临床应用价值。     

PET/CT在甲状腺癌中的应用

目的:探讨正电子发射型计算机断层成像(PET/CT)在甲状腺癌原发灶、转移灶的诊断,复发检测中的应用价值。方法:回顾性分析应用PET/CT检查的40例甲状腺癌患者的临床资料,将其显像结果与病理,部分与Bus、CT比较。结果:PET/CT显像结果与病理结果符合率极高,对原发灶的诊断灵敏度100%,特异度87.5%,对转移灶的诊断灵敏度92.1%,特异度92.0%,优于CT和彩超。结论:PET/CT对甲状腺癌原发灶、转移灶的诊断,临床分期,甲状腺癌术后观测疗效、监测复发具有明显的优势。     

^18FDG—PET诊断卵巢癌治疗后复发的价值

目的评价^18FDG—PET诊断卵巢癌治疗后复发的价值。方法对54例临床疑有复发的卵巢癌患者进行了^18FDG—PET全身及腹部成像、CT、血清CA125检测,并对结果进行分析比较。结果54例临床疑有复发的卵巢癌患者中,病理组织学证实肿瘤复发35例。^18FDG—PET检查39／54例显示阳性;CT常规影像检查28／54例阳性;29／54例血清CA125升高。PET、CT、及血清CA125监测卵巢癌复发和转移的灵敏度、特异性和准确性分别为100．00％、78．95％和92．59％;74．29％、89．47％和79．63％;80．oo％、94．74％和85．19％。PET对检测卵巢癌复发和转移诊断的阳性率高于血清CA125和CT。PET—CT联合、PET联合CA125、CT联合CA125、PET—CT联合CA125监测卵巢癌复发和转移的灵敏度、特异性和准确性分别为100．00％、73．68％和90．74％;100．00％、73．68％和90．74％;80．00％、89．47％和83．33％;100．00％、68．42％和88．89％。结论^18FDG—PET全身显像作为无创伤性检查技术,能及时探测到复发或扩散肿瘤的代谢变化,可以为卵巢癌术后随访提供一种有效的非侵入性影像学诊断方法。     

18F-FDG SPECT/CT检查结合CA125检测在卵巢癌术后复发转移诊断中的价值

目的:探讨18F-FDG SPECT/CT检查结合CA125检测在卵巢癌术后复发病例的早期诊断价值。方法:对43例卵巢癌术后病例同时进行18F-FDG SPECT/CT检查和CA125检测,怀疑复发的病例进行CT/MRI检查和临床随访,以进一步确诊。结果:43例病人中,18F-FDG SPECT/CT检查发现核素异常浓聚24例,经CT/MRI检查和临床资料证实为转移灶19例,阳性率和假阳性率分别为44.2%、11.6%,特异性为83.8%。本组病例CA125升高13例,证实为转移灶病例中CA125升高12例,阳性率和假阳性率分别为27.9%、2.3%,特异性为96.9%。结论:18F-FDG SPECT/CT检查和CA125检测是卵巢癌术后复发的可靠检查方法。     

18FDG PET/CT对非小细胞肺癌N2期淋巴结诊断的价值

目的:通过对18FDG PET/CT、CT对非小细胞肺癌N2期纵隔淋巴结的诊断与术后病理结果比较,探讨18FDG PET/CT对N2期淋巴结的诊断价值。方法:72例原发NSCLC患者共切除纵隔N2期淋巴结280枚,回顾性分析术前CT及18FDG PET/CT检查对纵隔N2期淋巴结的诊断结果,并与病理结果分别进行对比分析。结果:175枚N2期淋巴结CT诊断阳性,其诊断的敏感度、特异度、准确度、阳性预测值及阴性预测值分别为:74.0%、50%、62.5%、61.7%及63.8%;而172枚N2期淋巴结18FDG PET/CT诊断阳性,其诊断的敏感度、特异度、准确度、阳性预测值及阴性预测值分别为:89.0%、68.7%、79.3%、75.6%及85.2%,均明显优于CT（P＜0.05）。而105例短径<10 mm的纵隔淋巴结中,36.2%（38/105）为转移淋巴结,18FDG PET/CT对CT诊断阴性的纵隔淋巴结的诊断敏感度、特异度、准确度、阳性及阴性预测值分别为:86.8%、88.1%、87.6%、80.5%及92.2%;其中高代谢的N2期小淋巴结主要分布于2R、4R/L、7组:36.4%（12/33）、27.3%（9/33）、36.4%（12/33）。结论:18FDG PET/CT对肺癌N2期纵隔淋巴结的诊断价值明显优于CT,尤其对于纵隔内短径<10 mm淋巴结转移的诊断具有明显优势。     

18F-FDG PET/CT在恶性肿瘤神经浸润中的诊断价值

目的探讨18F-氟代脱氧葡萄糖(18F-FDG)正电子发射断层显像/计算机断层扫描(PET/CT)对恶性肿瘤神经浸润的诊断价值。方法对50例经病理检查证实的恶性肿瘤患者行18F-FDG PET/CT检查,将病理组织学结果、抗炎治疗后1个月随访结果、化疗后临床随访结果作为诊断神经浸润的金标准,评估18F-FDG PET/CT的诊断价值。结果50例恶性肿瘤患者中,PET/CT检查神经浸润阳性14例,其中真阳性10例,假阳性4例;PET/CT检查显示沿受累神经走形的线性代谢活动,最大标准摄取值(SUVmax)为2.5~25.2,平均(7.6±6.5)。18F-FDG PET/CT检查诊断恶性肿瘤神经浸润的灵敏度为83.33%,特异度为89.47%,阳性预测值为71.43%,阴性预测值为94.44%,准确度为88.00%。结论18F-FDG PET/CT有助于早期诊断恶性肿瘤患者的神经浸润情况,从而对患者进行针对性的干预。     

~(18)F-FDG PET/CT诊断乳腺癌及腋窝淋巴结转移的价值

目的探讨~(18)F-脱氧葡萄糖(~(18)F-FDG)正电子发射断层扫描(PET/CT)诊断乳腺癌和腋窝淋巴结(ALN)转移的价值。方法选取2015年7月至2016年4月间海南省人民医院收治的79例拟诊断为乳腺癌的患者,均采用~(18)F-FDG PET/CT、超声检查和钼靶X线检查。比较三种不同方式的诊断结果,对比分析~(18)F-FDG PET/CT检查结果和术后病理结果,讨论~(18)F-FDG PET/CT诊断乳腺癌和ALN转移的价值。结果术后病理结果显示,所有疑为乳腺癌的患者均确诊为乳腺癌。~(18)F-FDG PET/CT检查结果为阳性64例,阴性15例,灵敏度为81.0%;超声检查结果为阳性47例,阴性32例,灵敏度为59.5%;钼靶X线检查结果为阳性53例,阴性26例,灵敏度为67.1%,~(18)F-FDG PET/CT检查灵敏度明显高于超声检查和钼靶X线,差异均有统计学意义(P<0.05)。~(18)F-FDG PET/CT诊断ALN转移的灵敏度为35.0%,准确度为70.9%,特异度为83.1%,阴性预测值为79.0%,阳性预测值为41.2%。结论~(18)F-FDG PET/CT对乳腺癌的诊断的灵敏度明显优于超声检查和钼靶X线检查,诊断ALN转移有较好的特异度和准确度。     

PET/CT显像在妇科恶性肿瘤术后复发及转移中的临床应用价值

目的:探讨正电子发射断层显像(PET/CT)在诊断妇科恶性肿瘤术后复发与转移中的临床应用价值。方法:回顾性分析2015年1月至2016年12月,在我中心行PET/CT检查的56例妇科恶性肿瘤术后患者的全身PET/CT的显像结果,确诊依据为术后病理结果、血糖类抗原125（CA125）持续升高水平和临床随诊结果,评价PET/CT对妇科恶性肿瘤术后复发、转移的诊断效能。结果:56例患者中,经病理结果、血CA125持续升高水平、临床随诊结果证实,肿瘤复发及转移者25例,没有复发、转移者26例,假阳性者3例,假阴性者2例,PET/CT显像在妇科恶性肿瘤术后复发及转移的灵敏度、特异性、准确率分别为92.6%（25/27）、89.7%（26/29）、91.1%（51/56）;转移灶分为阴道残端、全身淋巴结、远处器官转移,PET/CT显像对各转移灶的灵敏度及特异性分别为87.5%(7/8)和97.9%(47/48)、95.0%（19/20）和91.7%（33/36）、91.3%（21/23）和90.9%（30/33）;PET/CT显像发现全身多部位、多器官转移的6人,改变了临床分期及治疗方案。结论:PET/CT显像对妇科恶性肿瘤术后复发及转移的诊断,具有较高的灵敏度和特异性,对肿瘤术后复发及转移的临床分期及治疗方案的确定具有非常大的指导意义。     

18F-FDG PET/CT与99Tcm-MDP骨显像在恶性肿瘤骨转移中的检查效能比较

目的:比较18F-FDG PET/CT与99Tcm-MDP骨显像对肿瘤骨转移灶的检出率,探讨两种方法在骨转移灶筛查中的价值。 方法:137例确诊恶性肿瘤患者在1月内分别进行99Tcm-MDP骨显像及18F-FDG PET/CT显像,比较分析两者对骨转移灶检出率的结果。结果:137例患者之中66例患者99Tcm-MDP骨显像为阳性,中轴骨、四肢骨均可出现,检出率为48.2%（66/137）; 71例骨显像阴性患者中有12例PET/CT结果为阳性。所有患者之中62例患者18F-FDG PET/CT为阳性,检出率为45.3%（62/137）,75例PET/CT阴性患者中有16例骨扫描结果为阳性。两种方法检出率之间比较（P=0.068）,差异无统计学意义;按四种骨质改变类型比较两种方法检出率（P=0.173）,差异无统计学意义;按CT溶骨性与成骨性类型分类比较两种方法（P=0.018）,两者差异有显著性意义。结论:18F-FDG PET/CT与99Tcm-MDP骨显像筛查恶性肿瘤骨转移灶效能无明显差别,18F-FDG PET/CT优势在于发现溶骨性病变,而99Tcm-MDP骨显像的优势为成骨性改变。     

PET/CT与增强CT诊断头颈肿瘤颈淋巴结转移的对比研究

目的:探讨18F-脱氧葡萄糖(FDG)PET/CT显像与螺旋CT增强扫描检测头颈肿瘤淋巴结转移的临床价值。方法:13个头颈肿瘤病人在颈部手术前,行PET/CT和增强CT检查。术后病理结果作为参考标准,PET/CT与增强CT的发现以左、右颈侧为记录单位进行比较。结果:在21个颈侧清扫(8个双侧,5个单侧)中,共清扫出440个淋巴结,其中的45个颈部淋巴结转移癌分布在14个颈侧。PET/CT检测颈淋巴结转移的敏感性、特异性和准确性分别为86%、100%和90%,增强CT分别为79%、86%和81%,PET/CT诊断的敏感性和准确性均显著高于增强CT(P<0.05)。结论:PET/CT在头颈肿瘤淋巴结转移的诊断中优于增强CT。本文结果为PET/CT在临床和放射影像诊断为颈部淋巴结阴性病人中发现转移的研究提供了可行性依据。     

Positron emission tomography with 18F-fluoro-2-deoxyglucose for the detection of recurrent ovarian cancer

Background Recurrent ovarian cancer is refractory and resistant to treatment in most patients, and no effective treatment for it has been established. Starting a treatment when tumors still consist of micro foci may contribute to improvement of prognosis. Therefore, the early diagnosis of relapse is important.Methods Among patients with epithelial ovarian cancer in whom initial treatment achieved remission between April 1998 and December 2003, those patients in whom the cancer-related antigen (CA)125 level was increased during the subsequent follow-up period, or those who showed abnormal computed tomography (CT)/magnetic resonance imaging (MRI) findings despite normal CA125 levels, were examined by 18F-fluoro-2-deoxyglucose – positron emission tomography (FDG-PET). We compared the rates of accurate diagnosis of recurrence achieved using CT/MRI, CA125, and FDG-PET in patients with a definitive diagnosis of relapse.Results We investigated 29 patients with epithelial ovarian cancer. The sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy of FDG-PET were 84.6% (22/26), 100% (3/3), 100% (22/22), 42.9% (3/7), and 86.2% (25/29), respectively. These values were higher than the corresponding values obtained using CT/MRI or CA125 levels.Conclusion FDG-PET may be very useful for identifying sites of recurrent ovarian cancer, although this procedure had a low NPV because of the high rate of false-negative findings for micro or cystic lesions.     

Diagnostic Value of 18F-FDG PET/CT in Comparison to Bone Scintigraphy,CT and 18F-FDG PET for the Detection of Bone Metastasis

Purpose: To evaluate the diagnostic value of 18F-FDG PET/CT for detection of bone metastasis in comparisonwith the efficacies of 18F-FDG PET/CT, CT, 18F-FDG PET and conventional planar bone scintigraphy in a seriesof cancer patients. Methods: Five hundred and thirty patients who underwent both 18F-FDG PET/CT and bonescintigraphy within 1 month were retrospectively analyzed. The skeletal system was classified into 10 anatomicsegments and interpreted blindly and separately. For each modality, the sensitivity, specificity, accuracy, PPVand NPV were calculated and the results were statistically analyzed. Results: Bone metastases were confirmedin 117 patients with 459 positive segments. On patient-based analysis, the sensitivity, specificity, accuracy, PPVand NPV of 18F-FDG PET/CT were significantly higher than bone scintigraphy, CT and 18F-FDG PET (P<0.05).On segment-based analysis, the sensitivity of CT, bone scintigraphy, 18F-FDG PET and 18F-FDG PET/CT were70.4%, 89.5%, 89.1% and 97.8%, respectively (P<0.05, compared with 18F-FDG PET/CT). The overall specificityand accuracy of the four modalities were 89.1%, 91.8%, 90.3%, 98.2% and 90.3%, 90.9%, 89.8%, 98.0%,respectively (P<0.05, compared with 18F-FDG PET/CT). The PPV and NPV were 89.8%, 87.6%, 85.6%, 97.2%and 85.6%, 93.2%, 92.8%, 98.6%, respectively. Three hundred and twelve lesions or segments were presentedas lytic or sclerotic changes on CT images at the corresponding sites of increased 18F-FDG uptake. In lytic ormixed lesions, the sensitivity of 18F-FDG PET/CT and 18F-FDG PET were better than bone scintigraphy, whilein osteoblastic lesions bone scintigraphy had a similar performance with 18F-FDG PET/CT but better than18F-FDG PET alone. Conclusion: Our data allow the conclusion that 18F-FDG PET/CT is superior to planar bonescintigraphy, CT or 18F-FDG PET in detecting bone metastasis. 18F-FDG PET/CT may enhance our diagnosis oftumor bone metastasis and provide more information for cancer treatment.     

超声检查与血清CA125检测在卵巢恶性肿瘤诊断中的价值

目的 探讨超声检查与血清肿瘤标志物CA125检测在卵巢恶性肿瘤诊断中的价值。方法 收集我院2012年10月至2013年12月收治的卵巢肿瘤患者113例,其中恶性53例,良性60例,于术前1周内均行超声检查及血清CA125检测。采用倾向得分匹配法（propensity score matching,PSM）均衡组间协变量,获得34对匹配成功的患者并对其诊断结果与病理检查进行比较。结果 CA125检测在卵巢恶性肿瘤诊断中的灵敏性、特异性、阳性预测值（positive predictive value,PPV）、阴性预测值（negative predictive value,NPV）、准确性分别为88.2%、61.8%、69.8%、84.0%、75.0%;超声检查在卵巢恶性肿瘤诊断中的灵敏性、特异性、PPV、NPV、准确性分别为85.3%、88.2%、87.9%、85.7%、86.8%;超声检查联合CA125检测在卵巢恶性肿瘤诊断中的灵敏性、特异性、PPV、NPV、准确性分别为94.1%、64.7%、72.7%、91.7%、79.4%。超声检查单独应用的特异性明显高于CA125检测及二者联合检查的特异性,差异有统计学意义（P均〈0.05）;而灵敏性、PPV、NPV及准确性在两两检查比较中的差异均无统计学意义（P均〉0.05）。结论 CA125检测联合超声检查并不能提高卵巢恶性肿瘤的诊断符合率。     

18F-FDG PET/CT显像在胰腺癌诊断中的应用价值

[目的]评价18F-脱氧葡萄糖(148F-FDG)PET/CT显像在胰腺癌诊断中的应用价值.[方法]回顾性分析46例疑似胰腺癌患者的全身18F-FDG PET/CT及CT平扫加增强的影像学资料,比较两者对胰腺癌的诊断价值.[结果] 46例疑似胰腺癌患者中,44例经手术、腹腔镜取病理确诊,其中胰腺癌38例,慢性胰腺炎6例,另2例PET/CT发现多处肝转移或肺转移,因而放弃手术,经临床随访1年后确诊为胰腺癌.18F-FDG PET/CT检查阳性37例,灵敏度92.5％,特异性83.3％,准确率为91.3％;CT平扫加增强检查,灵敏度75.0％,特异性66.7％,准确率为73.9％.PET/CT对胰腺癌诊断的灵敏度、特异性、准确率均明显高于CT,两者差异有统计学意义(P＜0.05).[结论] 18F-FDG PET/CT对胰腺癌的诊断与分期有较高的临床应用价值.     

(18)F-FDG PET/CT in the evaluation of recurrent ovarian cancer: a prospective study on forty-one patients.

AIM: Many patients with ovarian cancer are at high risk of recurrence especially in the 2 years following first-line therapy. CA125 serum levels measurement associated to computed tomography (CT), ultrasound (US) and magnetic resonance imaging (MRI) are currently used during follow-up to detect recurrent disease. Unfortunately, in a relevant percentage of cases all of these traditional imaging techniques provide a significant number of doubtful/equivocal results or turn out negative even in presence of elevated Ca125 levels. Aim of our study was to evaluate sensitivity, specificity and accuracy of (18)F-FDG PET/CT in a group of patients with suspicion of ovarian cancer recurrence. METHODS: We prospectively evaluated 41 patients with a mean age of 59.4 years who had been previously treated for ovarian cancer with surgery and radio-chemotherapy or radio-chemotherapy alone. Following the performance of traditional radiologic imaging (US, CT, MRI) and Ca125 measurement, all patients underwent additional (18)F-FDG PET/CT. PET/CT results were compared with histologic findings or clinical, laboratory and repeated traditional imaging techniques during subsequent follow-up data. RESULTS: Of 41 patients 32 had a positive PET-CT (30 true positive, two false positive) whereas nine a negative PET/CT (five true negative, four false negative). Overall, in our experience (18)F-FDG PET/CT provided a good sensitivity (88.2%), specificity (71.4%) and accuracy (85.4%), superior to that reported in literature for traditional radiologic imaging. CONCLUSIONS: It can be concluded that (18)F-FDG PET/CT appears to be a useful and accurate tool in disclosing early recurrent ovarian cancer.     

^18F-FDGPET／CT显像对宫颈癌诊断及治疗的影响

目的研究^18F-FDGPET／CT显像在宫颈癌诊断、分期及指导治疗方面的应用价值。方法88例患者行腹部或全身^18F-FDGPET／CT显像,其中初诊者30例（宫颈良性病变11例,宫颈癌19例）,宫颈癌治疗后58例。病灶确诊根据病理结果、多种影像诊断技术及临床随访而定,随访时间均大于6个月。结果30例初诊者PET／CT诊断宫颈癌的灵敏度、特异性和准确性分别为89．5％,90．9％和90．0％。58例治疗后患者中,11例存在肿瘤复发或残余,PET／CT诊断肿瘤复发、残余的灵敏度、特异性和准确性分别为90．9％,100．0％和98．3％。41例有肿瘤转移,PET／CT诊断转移灶的灵敏度、特异性和准确性分别为92．7％,88．9％和90．9％。77例宫颈癌患者中26．8％PET／CT发现直径小于1．0cm的小淋巴结转移灶、28．6％因PET／CT发现腹腔外远处转移灶而提高了临床分期,32．4％患者因PET／CT显像而改变和修改了原治疗方案。18例输尿管梗阻患者中,16例PET／CT发现为肿瘤侵犯压迫所致而促使临床及时地进行了输尿管内置管,减少了肾功能的损害。结论^18F-FDGPET／CT显像可提高宫颈癌诊断准确性,使治疗方案的制定更科学。