This article analyzes the main limitations of PET-CT and the corresponding solutions.
本文分析了PET - CT的主要局限性以及相应的处理措施。
The technique is faster and costs less than an MRI scan and requires no ionizing radiation like a PET-CT scan, the researchers said.
该技术是更快，而且成本不到一个MRI扫描，并且不需要像PET - CT会有电离辐射像，研究人员说。
Objective to evaluate the clinical value of positron emission tomography-CT (PET-CT) in diagnosing peritoneal metastasis of gastric cancer.
目的评价正电子发射体层摄影- CT (PET - CT)诊断胃癌腹膜转移的价值。
Early research shows that TNM staging is more accurate with PET-CT machines than with CT alone, PET alone, or visual correlation between PET and CT.
早期研究显示PET-CT机在TNM分期上比单一的运用CT要准确，以及能更好的在影像学上综合CT与PET的功能。
Combined PET-CT machines are a new area of research that allow for the functional metabolic discrimination of PET to be overlaid on high-resolution ct scans.
联合型PET - CT机是研究的新领域，这种机器既能有PET在功能代谢上的检测优势，又具备CT扫描的高分辨率。
Methods we randomly assigned patients who were referred for preoperative staging of NSCLC to either conventional staging plus pet-ct or conventional staging alone.
方法：我们将符合要求进行NSCLC术前分期的患者随机分为两组，即一组为传统分期法加pet—ct，另一组为单独的传统分期法。
PET-CT is a good modality for localization of the malignant lesions. It is superior to PET in the diagnosis, localization and guiding treatment for head and neck cancer.
CT能对恶性肿瘤病灶进行准确定位，在头颈部肿瘤的诊断、定位及指导临床治疗方面与单纯PET相比具有明显的优势。
A transparent roof spanning 300 meters without any central supports. A device to display integrated anatomical information from a ct scan with live functional information from a PET scan.
300米长没有任何中心支撑的透明屋顶，能显示结合PET扫描活体功能信息与CT扫描解剖图像整体的仪器，受冲击时自行销毁以免伤人的汽车保险杠，等等。
PET or PET/CT imaging technology has more and more important effect on clinical imaging diagnosis in present, especially on carcinoma.
近几年来，PET或PET/CT已在临床诊断中发挥越来越令人瞩目的作用，尤其是在恶性肿瘤的诊断方面发挥出了巨大的优势。
In addition, the image fusion of SPECT and ct or coincidence PET and ct in one modality provides anatomic localization for the functional image of nuclear medicine.
另外，同机SPECT和CT或符合线路PET和CT的图像融合，为核医学的功能图像提供了解剖学定位。
The impact of PET/CT on target volume delineation and dose distributions to normal lung tissue was analyzed.
分析PET/CT融合图像对肿瘤靶区勾画以及对正常肺组织照射剂量分布的影响。
Objective Describes how to improve the efficiency of PET/CT image post-processing by developing a simple program running in PET/CT workstation.
目的在PET/CT工作站开发第三方辅助程序，以改善日常PET/CT检查图像后处理工作流程，提高工作效率。
Colonography comb in ining the imaging procedures of positron emission tomography (PET) and computed tomography (CT) provides whole-body tumor staging in as ingle session.
结合正电子发射断层摄影术（PET）和计算机体层摄影术（CT）影像方法于一体的结肠摄影在某一期间可以提供全身的肿瘤分期情况。
Although various methods have been used to measure cerebral perfusion including PET, SPECT, xenon CT, and TCD, these require the patients to remain still for a long period.
尽管已经有很多方式用于测量大脑灌注，包括PET、SPECT、氙ct和TCD，但是这些要求患者较长一段时间保持静止。
The methods of diagnosis include X-ray, CT, MRI, ECT and PET, which are different in sensitivity and specificity.
骨转移的临床诊断方法包括X线平片、CT、MRI、ECT、PET等，其敏感性和特异性各有不同；
Objective To study the clinical value of 11C-methionine (MET) PET/CT imaging in brain glioma.
目的探讨11C-蛋氨酸（MET）PET/CT显像对脑胶质瘤的应用价值。
Objective: To evaluate the feasibility and clinical significance of PET - ct scan in minimal invasive breast conserved therapy of early stage breast cancer.
目的：探讨PET蛳CT在早期乳腺癌保乳微创治疗中的可行性及其临床意义。
PET/CT fusion images, PET images and CT images of the same patient were analyzed frame by frame.
图像经图像融合后，进行PET CT融合图像、PET图像和CT图像帧对帧对比分析。
Then they underwent PET scans and ct scans to measure the location and metabolic activity of brown fat deposits.
然后，他们进行PET扫描和CT扫描去测量棕色脂肪的位置和代谢活动后的剩余量。
On PET/CT images, 19 positive lesions(100%)showed abnormal intense high metabolic region, 6 (31.6%)of them showed heterogeneous density and 5(26.3%)showed untidy margin.
CT图像见到肯定阳性病灶19 个（100%），表现为明显的异常高代谢病灶，其中6 个（31.6%）病灶内部密度不均匀，5 个（26.3%）显示边界模糊不清。
Objective To study the value of PET/CT used in the diagnosis of axillary lump.
目的研究PET/CT在腋窝肿物诊断中的应用价值。
Methods Two patients with a provisional diagnosis of glioma were investigated with CT, MRI, and PET/CT, in order to evaluate the tumors before operation.
方法两例考虑为胶质瘤的患者，以脑CT和MRI及PET-CT检查进行术前评估，并在PET-CT导航下行开颅肿瘤切除术。
In diagnosing and assessing cancers, ultrasound scans, CT scans, PET scans and MRI scans are often complementary and may give different information.
在诊断和评估癌症时，超声波扫描、CT扫描、PET扫描和MRI扫描通常是互补运用的，而且不同的使用方式可能会给予不同的信息。
Methods A retrospective study was undertaken in 118 patients with pulmonary nodules which had CT and PET scan.
方法回顾性分析有病理证实的单个肺结节118例。
PET/CT is a kind of function and molecule instrument, which is more widely used nowadays.
CT为功能分子影像学设备，其应用快速普及。
Preliminary research suggests that whole-body PET and ct scans could provide a suitable method for diagnosing the stage of colorectal cancer, according to a study in the December 6 issue of JAMA.
JAMA12月6日发表的一项初步研究预示全身pet和CT扫描能够为结直肠癌提供一种合适的分期诊断方法。
Conclusion The results provided the reference for evaluation and semiquantify analysis in PET/CT imaging.
结论该研究结果为PET/CT 图像评价及半定量分析提供了参考依据。
The application of 3-D treatment planning system based on CT? MRI? PET images has increased the precision and accuracy in dose calculation of after-loading brachytherapy.
基于CT、MRI、PET图像的三维后装治疗计划系统的应用，提高了剂量计算的精确度和准确度。
PET scans were ordered for the purpose of early detection of recurrence or metastasis, 40 lesions were detected by PET scan, 42.5% (17/40) of them were earlier than that of CT.
以早期发现转移为目的的共有108例次，在PET发现的40例复发转移中有42·5%（17/40）是真正意义上的早期发现。
PET scans were ordered for the purpose of early detection of recurrence or metastasis, 40 lesions were detected by PET scan, 42.5% (17/40) of them were earlier than that of CT.
以早期发现转移为目的的共有108例次，在PET发现的40例复发转移中有42·5%（17/40）是真正意义上的早期发现。
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