نتایج جستجو برای: anatomical landmarks
تعداد نتایج: 166318 فیلتر نتایج به سال:
BACKGROUND carotid sinus massage (CSM) is a valuable clinical test for carotid sinus syndrome (CSS) and relies on accurately locating the carotid sinus (CS). OBJECTIVE in this study, we sought to examine the accuracy of using anatomical landmarks for locating the CS. METHODS consecutive patients (n = 20) were recruited prospectively. Two clinicians, trained in CSM, were asked to locate the ...
Background and purpose: Digital radiography has led to many improvements in radiology. Despite many advantages there are different ideas in determining anatomical landmarks which results in some errors in cephalometric analyses. The aim of this study was to determine the degree of identification differences of anatomical landmarks by conventional and digital lateral cephalometric techniques usi...
BACKGROUND Pre-operative spine level localization by palpation of anatomical landmarks (ribs, spinous processes) in posterior approaches for surgeries from T4 to L2 is often inaccurate. This can lead to ineffective utilization of procedural time, increased radiation dose, potentially longer skin incision and wrong level surgery. Factors affecting topographical accuracy includes body mass index ...
In virtual colonoscopy, a patient is scanned in both supine and prone positions. However, since the shape of the colon changes substantially, it is necessary to find a good registration between the two scans to help the physician with better polyp detection and to reduce the false positives. To obtain a registration, anatomical features are needed. We use anatomical landmarks to have the necess...
background and purpose: digital radiography has led to many improvements in radiology. despite many advantages there are different ideas in determining anatomical landmarks which results in some errors in cephalometric analyses. the aim of this study was to determine the degree of identification differences of anatomical landmarks by conventional and digital lateral cephalometric techniques usi...
BACKGROUND Anesthesia of the lateral femoral cutaneous nerve (LFCN) is useful in surgery involving the anterolateral thigh. We investigated the accuracy of ultrasound compared with anatomical landmarks in identifying the LFCN in human cadavers and volunteers. METHODS Twenty cadavers were examined. A needle was inserted targeting the LFCN with ultrasound guidance and green dye was injected. A ...
OBJECTIVE Aim of this study was to determine the distance between Henle's spine (HS) on the temporal bone to the clinically important bony landmarks on the dry skulls that will act as a guide in various surgical procedures on skull base. Distances from the head of malleus (HOM) to surgically relevant landmarks were also studied on CT images. MATERIALS AND METHODS Thirty-nine adult preserved d...
Medical PhysicsVolume 48, Issue 8 p. 4656-4656 CORRIGENDUMFree Access Tracking 3D ultrasound anatomical landmarks via three orthogonal This article corrects the following: plane-based scale discriminative correlation filter network Yibin Huang, Jishuai He, Xu Wu, Xiaozhi Zhao, Jian Volume 48Issue 5Medical Physics pages: 2127-2135 First Published online: April 3, 2021 published: 17 July https://...
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