نتایج جستجو برای: clinical dosimetry

تعداد نتایج: 1168967  

Journal: :Journal of Applied Clinical Medical Physics 2021

2017
Dennis Kupitz Christoph Wetz Heiko Wissel Florian Wedel Ivayla Apostolova Thekla Wallbaum Jens Ricke Holger Amthauer Oliver S Grosser

In peptide receptor radionuclide therapy (PRRT) of patients with neuroendocrine neoplasias (NENs), intratherapeutic dosimetry is mandatory for organs at risk (e.g. kidneys) and tumours. We evaluated commercial dosimetry software (Dosimetry Toolkit) using varying imaging scenarios, based on planar and/or tomographic data, regarding the differences in calculated organ/tumour doses and the use for...

2017
Xinchi Hou Bozena Birkenfeld Hanna Piwowarska-Bilska Anna Celler

BACKGROUND Technetium-99m-hydrazinonicotinamide-Tyr3-octreotide (99mTc-HYNIC-TOC) is recognized as a promising radiopharmaceutical for diagnosing neuroendocrine tumors (NETs). However, 99mTc-HYNIC-TOC dosimetry has been investigated only for adults. As pediatric radionuclide therapies become increasingly common, similar dosimetric studies for children are urgently needed. The aim of this study ...

Journal: :European Journal of Nuclear Medicine and Molecular Imaging 2007

2016
Wazir Muhammad Asad Ullah Khalid Mahmood Matiullah

The purpose of this study was to ensure accuracy in radiation dose delivery, external dosimetry quality audit has an equal importance with routine dosimetry performed at clinics. To do so, dosimetry quality audit was organized by the Secondary Standard Dosimetry Laboratory (SSDL) of Pakistan Institute of Nuclear Science and Technology (PINSTECH) at the national level to investigate and minimize...

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