نتایج جستجو برای: patients absorbed dose
تعداد نتایج: 2312589 فیلتر نتایج به سال:
Mathematical models for kinetics of radiopharmaceuticals in humans were developed and are used to estimate the radiation absorbed dose for patients in nuclear medicine by the International Commission on Radiological Protection and the Medical Internal Radiation Dose (MIRD) Committee. However, due to the fact that the residence times used were derived from different subjects, partially even with...
Measurements of M125IBG uptake in surgically excised samples of neuroblastoma from 6 patients were used to assess absorbed dose to micrometastases. Doses to achieve a 50% probability of cure were calculated using a simple analysis. Two categories were examined: (a) absorbed dose greater than 50% cure dose; (b) absorbed dose less than 50% cure dose. The number of patients falling into each categ...
BACKGROUND Radioembolization with Yttrium-90 ((90) Y) microspheres is becoming a more widely used transcatheter treatment for unresectable hepatocellular carcinoma (HCC). Using post-treatment (90) Y positron emission tomography/computerized tomography (PET/CT) scans, the distribution of microspheres within the liver can be determined and quantitatively assessed. We studied the radiation dose of...
Performance of Double Reading Mammography in an Iranian Population and Its Effect on Patient Outcome
BACKGROUND Considering the importance and responsibility of reporting mammography and the necessity to notice details with a high degree of precision, double reading mammography has been introduced and recommended. OBJECTIVES This study aimed to assess the performance of double reading of mammograms and its effect on patient outcomes. PATIENTS AND METHODS Throughout this cross sectional stu...
PURPOSE The aim was to investigate whole-body and red marrow absorbed doses in treatments of neuroblastoma (NB) and adult neuroendocrine tumors (NETs) with (131)I-metaiodobenzylguanidine and to propose a simple method for determining the activity to administer when dosimetric data for the individual patient are not available. METHODS Nine NB patients and six NET patients were included, giving...
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