Preprints (not yet peer-reviewed)

37 downloads
94 views

Identifying the separate parts in ultrasound images such as bone and skin plays the crucial role in synovitis detection task. This paper presents a detector of bone and skin regions in the form of a classifier which is trained on a set of annotated images. Selected...

["Orthopedics","Radiology and Medical Imaging","Rheumatology","Human-Computer Interaction","Computational Science"]
doi:10.7287/peerj.preprints.3519v1
24 downloads
111 views

Objective: This study aims to compare the sensitivity of dual phase (non-contrast and arterial) versus single phase (arterial) CT for detection of hyper-functioning parathyroid glands in patients with primary hyperparathyroidism. Methods: The CT scans of thirty-two...

["Diabetes and Endocrinology","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.3058v1
143 downloads
736 views

The involvement of the right and left hemispheres in mediating language functions has been measured in a variety of ways over the centuries since the relative dominance of the left hemisphere was first known. Functional magnetic resonance imaging (fMRI) presents...

["Neuroscience","Neurology","Psychiatry and Psychology","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.2962v2
84 downloads
353 views

Background: Traditionally, EBRT prostate treatments have been administered using three different techniques: three-dimensional conformal radiation therapy (3D-CRT), intensity modulated radiation therapy (IMRT), and volumetric modulated arc therapy (VMAT). These...

["Oncology","Radiology and Medical Imaging","Translational Medicine"]
doi:10.7287/peerj.preprints.2938v1
181 downloads
267 views

Background: The gamma analysis index (γ) is the most commonly used method to compare a calculated and measured dose distribution. A caveat to the clinical use of γ is that the formalism does have a sensitivity to noise present in either distribution. Monte Carlo...

["Oncology","Radiology and Medical Imaging","Translational Medicine"]
doi:10.7287/peerj.preprints.2904v1
74 downloads
301 views

Background: Bilingualism is a universal phenomenon. Study of bilingual brain has provided evidence to probable advantageous outcomes of early second language learning and brain structural correlates to these outcomes. Preservation of cognitive function with aging...

["Neuroscience","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.2853v1
76 downloads
263 views

We studied the effect of linearization on the repeatability of the Tofts and reference region models (RRM) for Dynamic Contrast-Enhanced MRI (DCE MRI). We compared the repeatabilities of these two linearized models, the standard non-linear version, and semi-quantitative...

["Mathematical Biology","Radiology and Medical Imaging","Statistics"]
doi:10.7287/peerj.preprints.2824v1
46 downloads
252 views

We comment on the recent developments and problems of three-dimensional printing in cardiology. Since there are currently no standards or consensuses for 3D printing in clinical medicine and the technology is at its infancy in cardiology, it’s very important to...

["Anatomy and Physiology","Cardiology","Clinical Trials","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.2597v1
134 downloads
420 views

Myelin is a critical component of the nervous system and a major contributor to contrast in Magnetic Resonance (MR) images. However the precise contribution of myelination to multiple MR modalities is still under debate. The cuprizone mouse is a well established...

["Neuroscience","Radiology and Medical Imaging","Histology"]
doi:10.7287/peerj.preprints.2323v1
464 downloads
1,212 views

Three-dimensional (3D) data of many kinds is produced at an increasing rate throughout all scientific disciplines. The Portable Document Format (PDF) is the de-facto standard for the exchange of electronic documents and allows for embedding three-dimensional models....

["Radiology and Medical Imaging","Science and Medical Education"]
doi:10.7287/peerj.preprints.1594v4
350 downloads
2,106 views

Background. Imaging biomarkers hold tremendous promise in the precision medicine clinical applications. Development of such biomarkers relies heavily on image post-processing tools for automated image quantitation. Their deployment in the context of clinical research...

["Bioinformatics","Clinical Trials","Oncology","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.1541v3
154 downloads
329 views

Background: Ketamine has been reported to have efficacy as an antidepressant in several studies of treatment-resistant depression. In this study, we investigate whether an acute administration of ketamine leads to reductions in the functional connectivity of subgenual...

["Neuroscience","Psychiatry and Psychology","Radiology and Medical Imaging","Computational Science"]
doi:10.7287/peerj.preprints.1436v1
204 downloads
317 views

Introduction. Conversion of images from DICOM format to other image formats affects measuring distances in images. Materials and methods. Distances in DICOM or JPEG images were measured with different zoom using 1.5T MRI scanning of human diaphragm during spontaneous...

["Anatomy and Physiology","Evidence Based Medicine","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.1383v1
132 downloads
795 views

Introduction The relationship between participant motion, demographic variables and MRI-derived morphometric estimates was investigated in autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD) and schizophrenia. Participant motion was...

["Bioinformatics","Neurology","Psychiatry and Psychology","Radiology and Medical Imaging","Statistics"]
doi:10.7287/peerj.preprints.1363v1
205 downloads
293 views

Objective. To explore whether the image noises and the metal artifacts could be further managed by the combined use of two technologies, the adaptive statistical iterative reconstruction (ASIR) and the monochromatic imaging generated by gemstone spectral imaging...

["Orthopedics","Radiology and Medical Imaging","Computational Science"]
doi:10.7287/peerj.preprints.1306v1
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