نتایج جستجو برای: sagittal contour
تعداد نتایج: 33912 فیلتر نتایج به سال:
The aim of this study was to assess the discriminability stocks round goby Neogobius melanostomus based on shape its otoliths. Recent otolith-shape-based species and stock discrimination studies were using otolith contours in sagittal plane we are following approach. We hypothesized possibility existence several geographically separated populations goby. Round gobies have been sampled from diff...
Backgroundm: Scapulohumeral rhythm (SHR) has been established as the kinematic hallmark indicating motion of the shoulder joint. Numerous studies have investigated the effect of different factors on SHR. The purpose of the present study was to determine the scapular upward rotation and scapulohumeral rhythm ratio among frontal, sagittal, and scapular planes in different humeral abduction ang...
Background: Sagittal imbalance is known as the main radiographic driver of disability in adult spinal deformity (ASD).In this study, the association of radiological spinopelvic parameters and clinical outcomes was evaluated following thecorrective surgery of sagittal imbalance, in order to explore the predictive ability of each parameter.Methods: A total of 23 patients, who underwent corrective...
This study sought to evaluate changes in the soft tissue contour after chin bone graft harvesting. Thirty selected patients underwent chin bone graft harvesting and evaluations were made using lateral cephalograms preoperatively and postoperatively at 30 and 180 days. Fixed points and lines were established on cephalometric tracings and used to measure the selected vertical and sagittal paramet...
A commercially available open MRI unit is under routine use for radiation therapy simulation. The effects of a gradient distortion correction (GDC) program used to post process the images were assessed by comparison with the known geometry of a phantom. The GDC reduced the magnitude of the distortions at the periphery of the axial images from 12 mm to 2 mm horizontally along the central axis an...
Bilateral sagittal split ramus osteotomy is considered a standard technique in mandibular orthognathic surgeries to reduce unexpected bilateral stress in the temporomandibular joints. Unilateral sagittal split ramus osteotomy (USSO) was recently introduced to correct facial asymmetry caused by asymmetric mandibular prognathism and has shown favorable outcomes. If unilateral surgery could guaran...
Introduction: Accurate lesion segmentation is an important component of determining quantitative features for lesions on MRI. In this study, we develop an automated lesion segmentation method for delineating lesions on dynamic contrast enhanced (DCE)-MRI. We present a new active contour model which uses spectral embedding (SE), a process that partitions images in order to maximize intercluster ...
BACKGROUND AND PURPOSE Patients with intracranial hypotension (IH) demonstrate intracranial venous enlargement with a characteristic change in contour of the transverse sinus seen on routine T1-weighted sagittal imaging. In IH, the inferior margin of the midportion of the dominant transverse sinus acquires a distended convex appearance; we have termed this the venous distension sign (VDS). This...
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