نتایج جستجو برای: internal dose

تعداد نتایج: 538158  

2017
Javier Ortuño-Sierra Rebeca Aritio-Solana Félix Inchausti Edurne Chocarro de Luis Beatriz Lucas Molina Alicia Pérez de Albéniz Eduardo Fonseca-Pedrero

The main purpose of the present study was to assess the depressive symptomatology and to gather new validity evidences of the Reynolds Depression Scale-Short form (RADS-SF) in a representative sample of youths. The sample consisted of 2914 adolescents with a mean age of 15.85 years (SD = 1.68). We calculated the descriptive statistics and internal consistency of the RADS-SF scores. Also, confir...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2010
George Sgouros John C Roeske Michael R McDevitt Stig Palm Barry J Allen Darrell R Fisher A Bertrand Brill Hong Song Roger W Howell Gamal Akabani Wesley E Bolch Ruby F Meredith George Sgouros Barry W Wessels Pat B Zanzonico

The potential of alpha-particle emitters to treat cancer has been recognized since the early 1900s. Advances in the targeted delivery of radionuclides and radionuclide conjugation chemistry, and the increased availability of alpha-emitters appropriate for clinical use, have recently led to patient trials of radiopharmaceuticals labeled with alpha-particle emitters. Although alpha-emitters have ...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2015
Nadia Falzone José M Fernández-Varea Glenn Flux Katherine A Vallis

UNLABELLED Several radionuclides used in medical imaging emit Auger electrons, which, depending on the targeting strategy, either may be exploited for therapeutic purposes or may contribute to an unintentional mean absorbed dose burden. In this study, the virtues of 12 Auger electron-emitting radionuclides were evaluated in terms of cellular S values in concentric and eccentric cell-nucleus arr...

Journal: :Journal of personality assessment 2002
David G Krefetz Robert A Steer Nazli A Gulab Aaron T Beck

The Beck Depression Inventory-II (BDI-II; Beck, Steer, & Brown, 1996) and the Reynolds Adolescent Depression Scale (RADS; Reynolds, 1987) were administered to 56 female and 44 male psychiatric inpatients whose ages ranged from 12 to 17 years old. The Cronbach coefficient alpha(s) for the BDI-II and RADS were, respectively, .92 and .91 and indicated comparably high levels of internal consistency...

2016
Kelbe Jahnke Myriam Chaves KELBE JAHNKE

Abstract. The goal of this project is to determine the absorbed dose of radiation to a patient using 99mTc-MAA as a tracer for a lung scan using the MIRD formula accounting only for the radiation dose contributed by the target organ. The radiation dose for other organs to the target organ is considered negligible as the uptake of 99mTc-MAA from other organs is less than 1%. In addition to calcu...

2010
Reichmann

Dosimetry is the process of calculating the effective radioactive dose that is applied to tumors and organs respectively as a patient undergoes a peptide receptor radionuclide therapy. This work presents the novel application software ‘DoSE8’ that was developed from our group and that incorporates all necessary image processing steps (registration and segmentation) and data handling for (partly...

2009
Brynjólfur Jónsson Bengt Mjöberg

The clinical and radiological results were excellent in this pilot study of four cases of depression fracture of the lateral tibial plateau, where, in addition to internal fixation with screws or a buttress plate, porous titanium granules were used to support the elevated articular surface.

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2001
M G Stabin J A Siegel R B Sparks K F Eckerman H B Breitz

UNLABELLED The contribution to red marrow absorbed dose from beta-emitting radionuclides distributed uniformly in the total body can be overestimated using either MIRD 11 or MIRDOSE3. The S value assigned to the red marrow target region from activity distributed in the remainder of the body is of particular concern. The assumption that the specific absorbed fraction for total body irradiating r...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2007
George Sgouros

Dosimetry for targeted radionuclide therapy is a relatively young field. Although initial work can be traced back to the late 1940s (1), the MIRD Committee formalism that forms the foundation for most current approaches was published in the mid 1970s (2), and the drive for improved dosimetry to meet the requirements of targeted radionuclide therapy did not begin until the 1980s. During this per...

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