نتایج جستجو برای: volumetry
تعداد نتایج: 1190 فیلتر نتایج به سال:
QUESTION Does Kinesio Taping reduce swelling in athletes who have suffered an acute, lateral ankle sprain? DESIGN Randomised controlled trial with concealed allocation, intention-to-treat analysis and blinded assessment. PARTICIPANTS Thirty-six athletes who participated regularly in one of seven different sports modalities and suffered an acute ankle sprain. INTERVENTION The experimental ...
OBJECTIVE Many studies have reported pre-processing effects for brain volumetry; however, no study has investigated whether non-parametric non-uniform intensity normalization (N3) correction processing results in reduced system dependency when using an atlas-based method. To address this shortcoming, the present study assessed whether N3 correction processing provides reduced system dependency ...
PURPOSE To present a new proposal to evaluate the healing of an open subcutaneous and skin wound, which we termed "volumetry". METHODS A total of 32 circular wounds were performed in the subcutaneous tissues and skin of four feet of pigs (8 each). Each wound had about 1 cm in diameter and was 0.2 cm deep. Volume was calculated from the wound filled with saline and mass Xantopren. With the aid...
Three-dimensional (3D) computed tomographic (CT) volumetry has been introduced into the field of thoracic surgery, and a combination of inspiratory and expiratory 3D-CT volumetry provides useful data on regional pulmonary function as well as the volume of individual lung lobes. We report herein a case of a 62-year-old man with severe emphysema who had undergone lung volume reduction surgery (LV...
OBJECTIVE Our purpose was to develop an accurate automated 3D liver segmentation scheme for measuring liver volumes on MRI. SUBJECTS AND METHODS Our scheme for MRI liver volumetry consisted of three main stages. First, the preprocessing stage was applied to T1-weighted MRI of the liver in the portal venous phase to reduce noise and produce the boundary-enhanced image. This boundary-enhanced i...
OBJECTIVE Water volumetry is considered the "gold standard" for hand edema assessment. This technique requires considerable time, staff, and specialized equipment. The figure-of-eight method for hand edema assessment has been tested only in the orthopedic population. The objective of this study was to test the reliability and concurrent validity of the figure-of-eight method of measuring hand e...
Normal brain aging is an inevitable and heterogeneous process characterized by a selective pattern of structural changes. Such heterogeneity arises as a consequence of cumulative effects over the lifespan, including stress and mood effects, which drive different micro- and macro-structural alterations in the brain. Investigating these differences in healthy age-related changes is a major challe...
BACKGROUND Tumor volume may serve as a predictor of response to radiochemotherapy (RCT) in head and neck squamous cell carcinoma (HNSCC). Computer assisted tumor volumetry requires time-consuming slice-by-slice manual or semi-automated segmentation. We questioned how accurately primary tumor and suspect cervical lymph node (LN) volumes can be approximated by the maximum tumor diameters in three...
The oldest technique for measuring changes in brain size from MR scans is volumetry. Brain volumetry, at its most basic, involves using a mouse or similar device to draw around structures of interest in the brain, one slice at a time, at all the time points of interest, and count voxels within the boundaries to determine volume change between time-points. The limitations of this approach are fi...
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