Results 21 to 30 of about 86,650 (298)

Evaluation of genotoxic effect of X-rays on oral mucosa during panoramic radiography

open access: yesJournal of Indian Academy of Oral Medicine and Radiology, 2015
Introduction: X-rays are potent mutagenic agents capable of inducing both gene mutations and chromosomal aberrations. They act directly on the DNA molecule or indirectly through the formation of reactive compounds that interact with this molecule.
Mahima Sandhu   +2 more
doaj   +1 more source

Systematic review and quality analysis of emerging diagnostic measures for calcium pyrophosphate crystal deposition disease. [PDF]

open access: yes, 2016
ObjectivesCalcium pyrophosphate crystal deposition disease (CPPD) is common, yet prevalence and overall clinical impact remain unclear. Sensitivity and specificity of CPPD reference standards (conventional crystal analysis (CCA) and radiography (CR ...
Chen, K, Terkeltaub, R, Wu, Y
core   +1 more source

Evaluation of radiography as a screening method for detection and characterisation of congenital vertebral malformations in dogs [PDF]

open access: yes, 2018
Congenital vertebral malformations (CVM) are common in brachycephalic ‘screw-tailed’ dogs; they can be associated with neurological deficits and a genetic predisposition has been suggested.
Brocal, J   +7 more
core   +4 more sources

Comparison of diagnostic accuracy of conventional radiography, digital radiography, and ultrasound imaging in the detection of periapical lesions

open access: yesJournal of Indian Academy of Oral Medicine and Radiology, 2015
Introduction: Accurate diagnosis of periapical lesions may be necessary not only to predict the treatment outcome but also to decrease the incidence of root canal treatment failure. Ultrasound imaging is an easy, reproducible technique, which is based on
Tajinder Kumar Bansal   +5 more
doaj   +1 more source

Chondroid Lipoma Mimicking Malignancy

open access: yesJournal of the Belgian Society of Radiology, 2022
Teaching Point: A chondroid lipoma is a rare benign adipocytic neoplasm, containing a chondromyxoid matrix, that may mimic a myxoid liposarcoma and myxoid chondrosarcoma.
Kris Mertens   +2 more
doaj   +1 more source

Multi-energy techniques for radiographic monitoring of chemical composition

open access: yes, 2002
A theoretical model of multi-energy radiography (MER) are proposed. It is shown that, as distinct from the conventional radiography, MER allows identification of organic substances and control of their chemical composition.
Grodzins   +3 more
core   +1 more source

High spectral and spatial resolution X-ray transmission radiography and tomography using a Color X-ray Camera [PDF]

open access: yes, 2014
High resolution X-ray radiography and computed tomography are excellent techniques for non-destructive characterization of an object under investigation at a spatial resolution in the micrometer range.
Boone, Matthieu   +9 more
core   +2 more sources

Cone beam CT of the musculoskeletal system : clinical applications [PDF]

open access: yes, 2018
Objectives: The aim of this pictorial review is to illustrate the use of CBCT in a broad spectrum of musculoskeletal disorders and to compare its diagnostic merit with other imaging modalities, such as conventional radiography (CR), Multidetector ...
Desimpel, Julie   +2 more
core   +2 more sources

Conventional and digital radiographic methods in the detection of simulated external root resorptions: A comparative study

open access: yesJournal of Indian Academy of Oral Medicine and Radiology, 2009
Objective : To evaluate and compare the efficacy of conventional and digital radiographic methods in the detection of simulated external root resorption cavities and also to evaluate whether the detectability was influenced by resorption cavity sizes ...
C J Sanjay   +4 more
doaj   +1 more source

Feasibility and Safety of High‐Dose Proton Re‐Irradiation in Recurrent Pediatric Central Nervous System Tumors: A Single‐Institution Retrospective Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Pediatric central nervous system (CNS) tumors often recur despite multimodality therapy. Although re‐irradiation (re‐RT) has historically been limited by concerns for severe late toxicities, modern techniques have renewed interest in this approach. Proton therapy provides dosimetric advantages that may enable curative re‐treatment with
Jin‐Ho Song   +15 more
wiley   +1 more source

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