The effective dose result of18F-FDG PET-CT paediatric patients
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Abstract:
Paediatric patient received high exposure from both CT and PET examination. Automatic Exposure Control (AEC) is important in CT dose reduction. This study aimed to compare the effective dose obtained from PET-CT scanner with and without the use of AEC function. In this study, 68 patients underwent PET-CT examination without the use of AEC function, while 25 patients used the AEC function during the examination. Patients involved in this study were between 2 to 15 years old with varies of malignancies and epilepsy diseases. The effective dose obtained from PET and CT examinations was calculated based on recommendation from International Commission on Radiological Protection (ICRP) Publication 106 and ICRP publication 102. The outcome of this study shows that the radiation dose was reduced up to 20% with the use of AEC function. The mean average of effective dose result obtained from PET and CT examinations without the use of AEC and AEC function were found to be as 6.67 mSv, 6.77 mSv, 6.03mSv and 4.96 mSv respectively. Where total effective dose result of PET-CT with non-AEC and AEC were found to be 13.44 mSv and 10.99 mSv respectively. Conclusion of this study is, the installation of AEC function in PET-CT machine does play important role in CT dose reduction especially for paediatric patient.Cite
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Seperti pada dewasa, teknik regional anestesi pada pediatrik kini makin popular digunakan oleh ahli anestesikarena keuntungannya. Namun demikian selalu ada risiko dan kemungkinan timbulnya komplikasi dari setiap tindakan yang dilakukan, termasuk tindakan anestesi regional pada pediatrik. Insidensi komplikasi anestesi regional pada pediatrik tidak banyak, dan kalaupun terjadi komplikasi adalah minor. Komplikasi bisa diakibatkan dari identifikasi ruang saraf, alat, obat, teknis tindakan anestesi regionalnya dan komplikasi lainnya.Walaupun tidak banyak kejadian komplikasi regional anestesi yang dilaporkan pada pediatrik, dan bukanlah komplikasi yang fatal, teknik regional anestesi pada pediatrik harus dilakukan dengan lebih hatihati, pertimbangan risiko dan keuntungannya untuk menghindari terjadinya komplikasi, terlebih karena kebanyakan komplikasi dapat dihindari dengan mempelajari teknik yang benar, menggunakan peralatan yang sesuai, dan sangat menerapkan prinsip keamanan pada pasien dengan baik.
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Genentech is partnering with the German cancer company Affimed to develop immunotherapies for multiple kinds of solid and blood cancers. Affimed is developing therapies that engage natural killer cells of the innate immune system to help direct them to attack cancer cells. Genentech will pay Affimed $96 million up front and up to $5 billion more in potential payments.
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The nationally-recognized Susquehanna
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