PERBEDAAN HASIL GAMBARAN FASE NON DELAY DENGAN FASE DELAY DI AREA BLADDER PADA PEMERIKSAAN PET/CT

D. Prakoso, Ratianto Ratianto, G. M. Wibowo
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Abstract

Background : PET/CT examination is an examination performed by injection of a radiopharmaceutical that consist of 18 F-FDG which given intravenously to evaluate lesions in whole body. However, some PET/CT examination  using delay phase for certain pathologies and if the doctor unsure about the resultiong image. This study peform the difference image in quantitative of PET/CT examination between non delay phase and delay phase in area bladder and surrounding. Methods : The type of  research conducted is quantitatif  research with a case study approach, the research that provides a detail description of the actual situation in the hospital. Subjects in the form of radiographers, nuclear medicine specialist, and scientific literature and objects are images of non delay and delay phase PET/CT in the bladder area. Data is taken by observation, interview, and documentation. Results : Assessment image of PET/CT using the value of SUV by ROI on several organ such us the baldder, rectum, ileum, and sacrum. In the non delay and delay phase, the value of the SUV was compared and the result on rectum area was increased, in other organ such as the bladder, ileum, and sacrum the value of SUV was decreased. Conclutions : The difference of image between non delay and delay phase can be seen from the value of SUV organ. SUV value can high in the bladder area because of the accumulation of FDG and scanning from the head so when scanning the pelvis value of SUV is high and can infuluence the image of surrounding organs.
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在PET/CT检查中,非延时和延时视觉结果的不同
背景:PET/CT检查是一种通过静脉注射由18个F-FDG组成的放射性药物来评估全身病变的检查。然而,一些PET/CT检查使用延迟相位对于某些病理和如果医生不确定的结果图像。本研究对膀胱及周围非延迟期与延迟期PET/CT检查的定量差异图像进行了研究。方法:采用个案研究法进行定量研究,详细描述医院的实际情况。以放射技师、核医学专家、科学文献和对象的形式进行研究的对象是膀胱区域的非延迟期和延迟期PET/CT图像。数据是通过观察、采访和记录获得的。结果:PET/CT应用ROI值对膀胱、直肠、回肠、骶骨等脏器进行评价。在非延迟期和延迟期比较,SUV在直肠面积的值升高,在膀胱、回肠、骶骨等其他器官的值降低。结论:从SUV器官的价值可以看出非延迟期与延迟期的影像差异。由于FDG的积聚和从头部扫描,膀胱区域的SUV值会很高,所以在扫描骨盆时SUV值很高,会影响周围器官的成像。
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