نتایج جستجو برای: partial volume effects

تعداد نتایج: 2012014  

Journal: :AJNR. American journal of neuroradiology 1991
J M Levy R Hupke

Since the advent of CT, imaging of the posterior fossa has posed problems. The proximity and density of the temporal bones have created artifacts at the interfaces with brain [1]. Nevertheless, thinner sections through the posterior fossa reduce the partial volume artifacts [2], and the use of a method we call the composite addition technique (CAT) together with higher tube voltage further redu...

حیدری, زهرا, شهرامیان, ایرج, محمودزاده ثاقب, حمیدرضا,

Background and Aim: Methadone and buprenorphine are agonist and partial agonist of opioid receptors respectively. Opiates have side effects on various organs specially kidneys. In this study, effects of buprenorphine and methadone on volumetric changes of male rat kidney were investigated. Materials and Methods: In this experimental study, 15 male Wistar rats each weighing 250±15 gr were select...

2017
Paweł Chmura Marcin Andrzejewski Marek Konefał Dariusz Mroczek Andrzej Rokita Jan Chmura

1 Chair of Team Sports, University School of Physical Education in Wrocław, Wrocław, Poland. 2 Chair of Recreation, University School of Physical Education in Poznań, Poznań, Poland. 3 Chair of Motor Skills, University School of Physical Education in Wrocław, Wrocław, Poland. . Authors submitted their contribution to the article to the editorial board. Accepted for printing in the Journal of Hu...

Journal: :International Journal of Biomedical Imaging 2006

Journal: :AJNR. American journal of neuroradiology 2002
Elizabeth A Vokurka Amit Herwadkar Neil A Thacker Richard T Ramsden Alan Jackson

BACKGROUND AND PURPOSE True 3D measurements of tumor volume are time-consuming and subject to errors that are particularly pronounced in cases of small tumors. These problems complicate the routine clinical assessment of tumor growth rates. We examined the accuracy of currently available methods of size and growth measurement of vestibular schwannomas compared with that of a novel fast partial ...

Journal: :Japanese Journal of Radiological Technology 1996

Journal: :Japanese Journal of Radiological Technology 1998

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