نتایج جستجو برای: nadir point
تعداد نتایج: 529241 فیلتر نتایج به سال:
OBJECTIVE Although international guidelines recommend initiating antiretroviral therapy (ART) when a patient's CD4 cell count is ≤350 cells/μL, most patients in resource-limited settings present with much lower CD4 cell counts. The lowest level that their CD4 cell count reaches, the nadir, may have long-term consequences in terms of mortality. We examined this health state in a large cohort of ...
In 1996 the American Society for Therapeutic Radiology and Oncology (ASTRO) sponsored a Consensus Conference to establish a definition of biochemical failure after external beam radiotherapy (EBRT). The ASTRO definition defined prostate specific antigen (PSA) failure as occurring after three consecutive PSA rises after a nadir with the date of failure as the point halfway between the nadir date...
In this paper we propose an approach for the automatic extraction of leafless deciduous trees from high resolution, i.e., ca. 4 cm ground resolution, aerial imagery taken in spring. In analogy to approaches for building extraction, we make use of the dark shadow of the tree as well as of the fact that the vertical trunk is imaged as a straight line pointing to the nadir point. Hypotheses for th...
PURPOSE To determine the clinical and dosimetric factors that predict prostate-specific antygen (PSA) bouncing following brachytherapy HDR and three-dimensional conformal radiation therapy (3D-CRT) for prostate cancer patients. MATERIAL AND METHODS The evaluated population consisted of 121 prostate cancer patients with a minimum of 5 years of follow-up and at least 6 post-treatment PSA levels...
UNLABELLED This study aimed at identifying clinical factors for predicting hematologic toxicity after radioimmunotherapy with (90)Y-ibritumomab tiuxetan or (131)I-tositumomab in clinical practice. METHODS Hematologic data were available from 14 non-Hodgkin lymphoma patients treated with (90)Y-ibritumomab tiuxetan and 18 who received (131)I-tositumomab. The percentage baseline at nadir and 4 w...
Özet Rizomelik kondrodisplazi punktata (RCDP) ekstremitelerde proksimal kýsalýk, eklem kontraktürleri ve epifizlerde punktat kalsifikasyonlar ile katarakt, geliþme geriliði ve aðýr mental retardasyonla karakterize otozomal resesif kalýtýlan nadir görülen bir sendromdur. Bu yazýda sunulan yenidoðan olguya klinik, biyokimyasal ve radyolojik bulgular ile RCDP tanýsý konuldu. Olgu, RCDP de nadir g...
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