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Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology

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https://read.qxmd.com/read/30771051/correction-to-collaborative-and-reproducible-research-goals-challenges-and-strategies
#1
Steve G Langer, George Shih, Paul Nagy, Bennet A Landman
The paper below had been published originally without open access, but has been republished with open access.
February 15, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30756268/anthropometer3d-automatic-multi-slice-segmentation-software-for-the-measurement-of-anthropometric-parameters-from-ct-of-pet-ct
#2
Pierre Decazes, David Tonnelet, Pierre Vera, Isabelle Gardin
Anthropometric parameters like muscle body mass (MBM), fat body mass (FBM), lean body mass (LBM), visceral adipose tissue (VAT), and subcutaneous adipose tissue (SAT) are used in oncology. Our aim was to develop and evaluate the software Anthropometer3D measuring these anthropometric parameters on the CT of PET/CT. This software performs a multi-atlas segmentation of CT of PET/CT with extrapolation coefficients for the body parts beyond the usual acquisition range (from the ischia to the eyes). The multi-atlas database is composed of 30 truncated CTs manually segmented to isolate three types of voxels (muscle, fat, and visceral fat)...
February 12, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30756267/lung-nodule-manager-app-review
#3
REVIEW
Andres Elovic, Ali Pourmand
Intermediate lung nodules are frequently discovered in CT imaging as either incidental or part of cancer screening. The Lung Nodule Manager allows for a quick retrieval of guidelines by physicians and health care professionals to determine the proper management and follow-up for patients.
February 12, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30756266/implementing-shared-standardized-imaging-protocols-to-improve-cross-enterprise-workflow-and-quality
#4
Viswanathan Venkataraman, Travis Browning, Ivan Pedrosa, Suhny Abbara, David Fetzer, Seth Toomay, Ronald M Peshock
Value-based imaging requires appropriate utilization and the delivery of consistently high-quality imaging at an acceptable cost. Challenges include developing standardized imaging protocols, ensuring consistent application by technologists, and monitoring quality. These challenges increase as enterprises grow in geographical extent and complexity through mergers or partnerships. Our imaging enterprise includes a university hospital and clinic system, a large county hospital and healthcare system, and a pediatric hospital and health system...
February 12, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30756265/breast-cancer-classification-from-histopathological-images-with-inception-recurrent-residual-convolutional-neural-network
#5
Md Zahangir Alom, Chris Yakopcic, Mst Shamima Nasrin, Tarek M Taha, Vijayan K Asari
The Deep Convolutional Neural Network (DCNN) is one of the most powerful and successful deep learning approaches. DCNNs have already provided superior performance in different modalities of medical imaging including breast cancer classification, segmentation, and detection. Breast cancer is one of the most common and dangerous cancers impacting women worldwide. In this paper, we have proposed a method for breast cancer classification with the Inception Recurrent Residual Convolutional Neural Network (IRRCNN) model...
February 12, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30756264/glaucoma-detection-from-retinal-images-using-statistical-and-textural-wavelet-features
#6
Lamiaa Abdel-Hamid
Glaucoma is a silent progressive eye disease that is among the leading causes of irreversible blindness. Early detection and proper treatment of glaucoma can limit severe vision impairments associated with advanced stages of the disease. Periodic automatic screening can help in the early detection of glaucoma while reducing the workload on expert ophthalmologists. In this work, a wavelet-based glaucoma detection algorithm is proposed for real-time screening systems. A combination of wavelet-based statistical and textural features computed from the detected optic disc region is used to determine whether a retinal image is healthy or glaucomatous...
February 12, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30737645/correction-to-toward-automatic-detection-of-radiation-induced-cerebral-microbleeds-using-a-3d-deep-residual-network
#7
Yicheng Chen, Javier E Villanueva-Meyer, Melanie A Morrison, Janine M Lupo
This paper was published inadvertently as open access. It has been corrected online.
February 8, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30719587/automatic-nasopharyngeal-carcinoma-segmentation-using-fully-convolutional-networks-with-auxiliary-paths-on-dual-modality-pet-ct-images
#8
Lijun Zhao, Zixiao Lu, Jun Jiang, Yujia Zhou, Yi Wu, Qianjin Feng
Nasopharyngeal carcinoma (NPC) is prevalent in certain areas, such as South China, Southeast Asia, and the Middle East. Radiation therapy is the most efficient means to treat this malignant tumor. Positron emission tomography-computed tomography (PET-CT) is a suitable imaging technique to assess this disease. However, the large amount of data produced by numerous patients causes traditional manual delineation of tumor contour, a basic step for radiotherapy, to become time-consuming and labor-intensive. Thus, the demand for automatic and credible segmentation methods to alleviate the workload of radiologists is increasing...
February 4, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30719586/computer-assisted-nuclear-atypia-scoring-of-breast-cancer-a-preliminary-study
#9
Ziba Gandomkar, Patrick C Brennan, Claudia Mello-Thoms
Inter-pathologist agreement for nuclear atypia scoring of breast cancer is poor. To address this problem, previous studies suggested some criteria for describing the variations appearance of tumor cells relative to normal cells. However, these criteria were still assessed subjectively by pathologists. Previous studies used quantitative computer-extracted features for scoring. However, application of these tools is limited as further improvement in their accuracy is required. This study proposes COMPASS (COMputer-assisted analysis combined with Pathologist's ASSessment) for reproducible nuclear atypia scoring...
February 4, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30761440/volumetric-assessment-of-pediatric-vascular-malformations-using-a-rapid-hand-held-three-dimensional-imaging-system
#10
Ethan J Speir, C Matthew Hawkins, Michael J Weiler, Michael Briones, Rachel Swerdlin, Solomon Park, J Brandon Dixon
The effect of percutaneous, surgical, and medical therapies for vascular malformations (VMs) is often difficult to quantify volumetrically using cross-sectional imaging. Volumetric measurement is often estimated with serial, expensive MRI examinations which may require sedation or anesthesia. We aim to explore whether a portable 3D scanning device is capable of rapid, accurate volumetric analysis of pediatric VMs. Using an iPad-mounted infrared scanning device, 3D scans of patient faces, arms, and legs were acquired over an 8-month study period...
January 31, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30706213/predicting-breast-cancer-molecular-subtype-with-mri-dataset-utilizing-convolutional-neural-network-algorithm
#11
Richard Ha, Simukayi Mutasa, Jenika Karcich, Nishant Gupta, Eduardo Pascual Van Sant, John Nemer, Mary Sun, Peter Chang, Michael Z Liu, Sachin Jambawalikar
To develop a convolutional neural network (CNN) algorithm that can predict the molecular subtype of a breast cancer based on MRI features. An IRB-approved study was performed in 216 patients with available pre-treatment MRIs and immunohistochemical staining pathology data. First post-contrast MRI images were used for 3D segmentation using 3D slicer. A CNN architecture was designed with 14 layers. Residual connections were used in the earlier layers to allow stabilization of gradients during backpropagation...
January 31, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30706212/writing-systematic-reviews-of-the-literature-it-really-is-a-systematic-process
#12
Elizabeth A Krupinski
No abstract text is available yet for this article.
January 31, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30706211/levels-propagation-approach-to-image-segmentation-application-to-breast-mr-images
#13
Fatah Bouchebbah, Hachem Slimani
Accurate segmentation of a breast tumor region is fundamental for treatment. Magnetic resonance imaging (MRI) is a widely used diagnostic tool. In this paper, a new semi-automatic segmentation approach for MRI breast tumor segmentation called Levels Propagation Approach (LPA) is introduced. The introduced segmentation approach takes inspiration from tumor propagation and relies on a finite set of nested and non-overlapped levels. LPA has several features: it is highly suitable to parallelization and offers a simple and dynamic possibility to automate the threshold selection...
January 31, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30706210/integrating-an-ontology-of-radiology-differential-diagnosis-with-icd-10-cm-radlex-and-snomed-ct
#14
Ross W Filice, Charles E Kahn
An ontology offers a human-readable and machine-computable representation of the concepts in a domain and the relationships among them. Mappings between ontologies enable the reuse and interoperability of biomedical knowledge. We sought to map concepts of the Radiology Gamuts Ontology (RGO), an ontology that links diseases and imaging findings to support differential diagnosis in radiology, to terms in three key vocabularies for clinical radiology: the International Classification of Diseases, version 10, Clinical Modification (ICD-10-CM), the Radiological Society of North America's radiology lexicon (RadLex), and the Systematized Nomenclature of Medicine Clinical Terms (SNOMED CT)...
January 31, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30706209/probabilistic-modeling-of-exam-durations-in-radiology-procedures
#15
Usha Nandini Raghavan, Christopher S Hall, Ranjith Tellis, Thusitha Mabotuwana, Christoph Wald
In this paper, we model the statistical properties of imaging exam durations using parametric probability distributions such as the Gaussian, Gamma, Weibull, lognormal, and log-logistic. We establish that in a majority of radiology procedures, the underlying distribution of exam durations is best modeled by a log-logistic distribution, while the Gaussian has the poorest fit among the candidates. Further, through illustrative examples, we show how business insights and workflow analytics can be significantly impacted by making the correct (log-logistic) versus incorrect (Gaussian) model choices...
January 31, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30680471/improving-sensitivity-on-identification-and-delineation-of-intracranial-hemorrhage-lesion-using-cascaded-deep-learning-models
#16
Junghwan Cho, Ki-Su Park, Manohar Karki, Eunmi Lee, Seokhwan Ko, Jong Kun Kim, Dongeun Lee, Jaeyoung Choe, Jeongwoo Son, Myungsoo Kim, Sukhee Lee, Jeongho Lee, Changhyo Yoon, Sinyoul Park
Highly accurate detection of the intracranial hemorrhage without delay is a critical clinical issue for the diagnostic decision and treatment in an emergency room. In the context of a study on diagnostic accuracy, there is a tradeoff between sensitivity and specificity. In order to improve sensitivity while preserving specificity, we propose a cascade deep learning model constructed using two convolutional neural networks (CNNs) and dual fully convolutional networks (FCNs). The cascade CNN model is built for identifying bleeding; hereafter the dual FCN is to detect five different subtypes of intracranial hemorrhage and to delineate their lesions...
January 24, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30631979/automatic-vertebrae-localization-and-identification-by-combining-deep-ssae-contextual-features-and-structured-regression-forest
#17
Xuchu Wang, Suiqiang Zhai, Yanmin Niu
Automatic vertebrae localization and identification in medical computed tomography (CT) scans is of great value for computer-aided spine diseases diagnosis. In order to overcome the disadvantages of the approaches employing hand-crafted, low-level features and based on field-of-view priori assumption of spine structure, an automatic method is proposed to localize and identify vertebrae by combining deep stacked sparse autoencoder (SSAE) contextual features and structured regression forest (SRF). The method employs SSAE to learn image deep contextual features instead of hand-crafted ones by building larger-range input samples to improve their contextual discrimination ability...
January 10, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30623273/use-of-image-based-analytics-for-ultrasound-practice-management-and-efficiency-improvement
#18
Scott F Stekel, Zaiyang Long, Donald J Tradup, Nicholas J Hangiandreou
Our ultrasound practice is becoming even more focused on managing practice resources and improving our efficiency while maintaining practice quality. We often encounter questions related to issues such as equipment utilization and management, study type statistics, and productivity. We are developing an analytics system to allow more evidence-based management of our ultrasound practice. Our system collects information from tens of thousands of DICOM images produced during exams, including structured reporting, public and private DICOM headers, and text within the images via optical character recognition (OCR)...
January 8, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30623272/developing-deeper-radiology-exam-insight-to-optimize-mri-workflow-and-patient-experience
#19
Ish A Talati, Pranay Krishnan, Ross W Filice
Process variability during the acquisition of magnetic resonance imaging (MRI) can lengthen examination times and introduce unexpected exam differences which can negatively impact the cost and quality of care provided to patients. Digital Imaging and Communications in Medicine (DICOM) metadata can provide more accurate study data and granular series-level information that can be used to increase operational efficiency, optimize patient care, and reduce costs associated with MRI examinations. Systematic use of such data analysis could be used as a continuous operational optimization and quality control mechanism...
January 8, 2019: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://read.qxmd.com/read/30564956/centralized-clinical-trial-imaging-data-management-practical-guidance-from-a-comprehensive-cancer-center-s-experience
#20
Brandon Lee, A Abbott, S Davidson, L Syrkin, G LeFever, A D Van den Abbeele
Medical imaging is an integral part of clinical trial research and it must be managed properly to provide accurate data to the sponsor in a timely manner (Clune in Cancer Inform 4:33-56, 2007; Wang et al. in Proc SPIE Int Soc Opt Eng 7967, 2011). Standardized workflows for site qualification, protocol preparation, data storage, retrieval, de-identification, submission, and query resolution are paramount to achieve quality clinical trial data management such as reducing the number of imaging protocol deviations and avoiding delays in data transfer...
December 18, 2018: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
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