نتایج جستجو برای: source computed tomography

تعداد نتایج: 671714  

This mage based series comprises of a quiz pertaining to the identification of salient anatomical structures expected to be seen at a given level on the computed tomography (CT) followed by examples of multiple representative pathologies that can be seen at the same level in a routine clinical setting. It is expected that this will improve confidence of nuclear physicians in interpretation of t...

Journal: :iranian journal of radiology 0
chih-chen chang department of medical imaging and intervention, chang gung memorial hospital, chang gung university, linkou, taiwan yon-cheong wong department of medical imaging and intervention, chang gung memorial hospital, chang gung university, linkou, taiwan; department of medical imaging and intervention, chang gung memorial hospital, chang gung university, linkou, taiwan cheng-hsien wu department of medical imaging and intervention, chang gung memorial hospital, chang gung university, linkou, taiwan huan-wu chen department of medical imaging and intervention, chang gung memorial hospital, chang gung university, linkou, taiwan li-jen wang department of medical imaging and intervention, chang gung memorial hospital, chang gung university, linkou, taiwan yu-hsien lee department of medical imaging and intervention, chang gung memorial hospital, chang gung university, linkou, taiwan

conclusion attending radiologists could diagnose acute appendicitis accurately on ne-ldct. performance of senior residents on ne-ldct is better than junior residents and comparable to attending radiologists. results diagnostic performances for acute appendicitis were not statistically different for attending radiologists at both examinations. better performance was noted on the ce-sdct with a b...

Journal: :iranian journal of otorhinolaryngology 0
amin rahpeyma oral and maxillofacial diseases research center, school of dentistry, mashhad university of medical sciences, mashhad, iran. saeedeh khajehahmadi dental research center, school of dentistry, mashhad university of medical sciences, mashhad, iran. parvin amini dental material research center ,school of dentistry, mashhad university of medical sciences, mashhad, iran.

introduction: knowledge of the presence of the alveolar antral artery in the lateral maxillary sinus wall is essential for surgeons who operate in this region. the purpose of this study was to investigate the correlation between alveolar antral artery diameter and lateral maxillary bony wall thickness in dentate patients.   materials and methods: thirty five cone-beam computed tomography (cbct)...

Journal: :iranian journal of radiology 0
ismail uzun department of endodontics, faculty of dentistry, ondokuz mayis university, samsun, turkey kaan gunduz department of dentomaxillofacial radiology, faculty of dentistry, ondokuz mayis university, samsun, turkey peruze celenk department of dentomaxillofacial radiology, faculty of dentistry, ondokuz mayis university, samsun, turkey hakan avsever department of dentomaxillofacial radiology, gulhane military medical academy (gata), ankara, turkey kaan orhan department of dentomaxillofacial radiology, faculty of dentistry, ankara university, ankara, turkey; department of dentomaxillofacial radiology, faculty of dentistry, near east university, mersin, turkey gozde canitezer department of dentomaxillofacial radiology, faculty of dentistry, ondokuz mayis university, samsun, turkey; department of dentomaxillofacial radiology, faculty of dentistry, ondokuz mayis university, samsun, turkey. tel: +90-3623121919, fax: +90-3624576032

conclusion no significant differences were found among observers or voxel sizes, with high az results reported for all groups. results no significant differences were found among observers or voxel sizes, with high average z (az) results being reported for all groups. both intra- and inter-observer agreement values were relatively better for 3d accuitomo 170 images than the images from newtom 3...

Journal: :journal of biotechnology and health sciences 0
maryam tofangchiha department of oral radiology, dental faculty, qazvin university of medical sciences, qazvin, ir iran faraz arianfar department of oral radiology, dental faculty, qazvin university of medical sciences, qazvin, ir iran mahin bakhshi department of oral medicine, dental faculty, shahid beheshti university of medical sciences, tehran, ir iran mansour khorasani department of oral and maxillofacial surgery, dental faculty, qazvin university of medical sciences, qazvin, ir iran; department of oral and maxillofacial surgery, dental faculty, qazvin university of medical sciences, qazvin, ir iran. tel: +98-2813353061

background cone beam computed tomography (ct) has recently become effective for oral and maxillofacial imaging. objectives the aim of this study was to assess the knowledge of dentists regarding cone beam computed tomography. materials and methods in this descriptive cross sectional study, a questionnaire regarding cone-beam computed tomography (cbct) was distributed amongst 100 dentists (gener...

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