نتایج جستجو برای: spiral tomography

تعداد نتایج: 202719  

Journal: :European Respiratory Journal 2002

Journal: :Archives of internal medicine 2000
M D Mullins D M Becker K D Hagspiel J T Philbrick

To evaluate the evidence for the use of spiral volumetric computed tomography (SVCT) in the diagnosis of acute pulmonary embolism (PE), the 11 English-language studies published through July 1998 that compared SVCT with a reference standard for PE were systematically reviewed. Among the reviewed studies, methodological problems were common. Only 5 of these studies fulfilled 5 of 11 basic standa...

2015
Fatemeh Salemi Abbas Shokri Hamed Mortazavi Maryam Baharvand

OBJECTIVES Radiographic examination is one of the most important parts of the clinical assessment routine for temporomandibular disorders. The aim of this study was to compare the diagnostic accuracy of cone-beam computed tomography(CBCT) with panoramic radiography and spiral computed tomography for the detection of the simulated mandibular condyle bone lesions. STUDY DESIGN The sample consis...

ژورنال: مجله دندانپزشکی 2009
حسینی پویا, مهدی, دیوبند, محمدرضا, شکری, عباس, پنج‌نوش, مهرداد,

Background and Aim: The objective of this study was to measure and compare the tissue absorbed dose in thyroid gland, salivary glands, eye and skin in maxillofacial imaging with panoramic, conventional linear tomography, cone beam computed tomography (CBCT) and computed tomography (CT).Materials and Methods: Thermoluminescent dosimeters (TLD) were implanted in 14 sites of RANDO phantom to measu...

Journal: :Journal of Computer Assisted Tomography 2008

2012
Kavitarani Rudagi B. M. Rudagi Sandeep Metgud Rahul Wagle

Fusion is a developmental anomaly characterized by the union of two adjacent teeth. In this paper we report a rare case of fusion involving permanent mandibular second molar with supernumerary tooth. The rarity with which this entity appears, along with its complex characteristics, often makes it difficult to treat. The use of high-end diagnostic imaging modalities such as spiral computed tomog...

Journal: :International journal of clinical and experimental medicine 2015
Peng-Fei Jiang Xiu-Yu Dai Yongbin Lv Shaoyi Liu Xiao-Yan Mu

BACKGROUND Rapid advances in multislice computed tomography (MSCT) technology facilitate accurate clinical imaging. The newly developed 64-slice CT increases temporal and spatial resolution efficiently. PURPOSE The purpose of this study is to evaluate the application of 64 slice spiral computed tomography (CT) on the imaging of the normal optics canal. METHODS AND MATERIALS 100 healthy adul...

2014
Alexander Maninagat Luke Krishna Prasad Shetty Krishnarao Kilaru

Imaging is a highly dependent technology in the clinical assessment of a patient. With respect to the dental field, imaging has travelled a long way from the conventional radiographs to modern techniques like the computed tomography (CT) and the cone-beam computed tomography (CBCT). This article describes the evolution made in the CT in the field of dental imaging and attempts to compare the CT...

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