scholarly journals Imaging Informatics: from Image Management to Image Navigation

2009 ◽  
Vol 18 (01) ◽  
pp. 167-172 ◽  
Author(s):  
O. Ratib
Keyword(s):  
Communication Systems ◽  
Rapid Development ◽  
Imaging Informatics ◽  
Multidimensional Data ◽  
Navigation Systems ◽  
Image Management ◽  
Care Providers ◽  
Imaging Data ◽  
Image Navigation ◽  
Picture Archiving And Communication

Summary Objective To review the rapid evolution of imaging informatics dealing with issues of management and communication of digital images starting from the era of simple storage and transfer of images to today’s world of interactive navigation in large sets of multidimensional data. Methods This paper will review the initial concepts of Picture Archiving and Communication Systems (PACS) and the early developments and standardization efforts that lead to the deployment of large intra-institutional networks of image distribution allowing radiologists and physicians to access and review images digitally. With the deployment of PACS came along the need for advanced tools for image visualization and image analysis. Results Review of the history of PACS and Imaging Informatics clearly shows that the early developments were focused on the radiologist’s requirements for diagnosis and image interpretation. These early developments lagged behind the rapid adoption of digital imaging in areas outside radiology. Only recently, imaging informatics shifted toward the development of new tools geared toward the needs of other users such as surgeons, referring physicians and care-providers, and even for the patients themselves. Also in the recent years, the development of multimedia and communication tools in the consumer market has influenced the design and strategic development of image management platforms inside and outside healthcare institutions. Conclusions The focus of imaging informatics has clearly shifted in the last decade from basic infrastructure design to complete data and image navigation systems. While the challenge of storing and managing large volumes of imaging data have slowly vanished with the rapid development if information technology, the new challenge emerged from the new requirements of image manipulation and analysis in clinical practice.

A Humanist’s Legacy in Medical Informatics: Visions and Accomplishments of Professor Jean-Raoul Scherrer

2002 ◽  
Vol 41 (03) ◽  
pp. 237-242 ◽  
Author(s):  
C. Lovis ◽  
S. Spahni ◽  
R. D. Appel ◽  
O. Ratib ◽  
C. Boyer ◽  
...  
Keyword(s):  
Medical Informatics ◽  
Language Processing ◽  
Communication Systems ◽  
Medical Information ◽  
Image Management ◽  
Care Providers ◽  
Patient Centered ◽  
Picture Archiving And Communication ◽  
Processing Techniques ◽  
Clinical Research Data

Summary Objective: To report about the work of Prof. Jean-Raoul Scherrer, and show how his humanist vision, his medical skills and his scientific background have enabled and shaped the development of medical informatics over the last 30 years. Results: Starting with the mainframe-based patient-centered hospital information system DIOGENE in the 70s, Prof. Scherrer developed, implemented and evolved innovative concepts of man-machine interfaces, distributed and federated environments, leading the way with information systems that obstinately focused on the support of care providers and patients. Through a rigorous design of terminologies and ontologies, the DIOGENE data would then serve as a basis for the development of clinical research, data mining, and lead to innovative natural language processing techniques. In parallel, Prof. Scherrer supported the development of medical image management, ranging from a distributed picture archiving and communication systems (PACS) to molecular imaging of protein electrophoreses. Recognizing the need for improving the quality and trustworthiness of medical information on the Web, Prof. Scherrer created the Health-On-the-Net (HON) foundation. Conclusions: These achievements, made possible thanks to his visionary mind, deep humanism, creativity, generosity and determination, have made of Prof. Scherrer a true pioneer and leader of the human-centered, patient-oriented application of information technology for improving healthcare.

scholarly journals Preoperative Planning for the Foot and Ankle: A Technique Tip

2020 ◽  
Vol 5 (4) ◽  
pp. 2473011420S0049
Author(s):  
Caroline Williams ◽  
John Y. Kwon ◽  
Max Michalski ◽  
Christopher P. Miller
Keyword(s):  
Ct Scan ◽  
Communication Systems ◽  
Preoperative Planning ◽  
Imaging Techniques ◽  
Metal Artifact ◽  
Foot And Ankle ◽  
Imaging Data ◽  
Metatarsal Fractures ◽  
Ct Data ◽  
Picture Archiving And Communication

Category: Other; Ankle; Midfoot/Forefoot Introduction/Purpose: Computed tomography (CT) advanced imaging techniques are a valuable tool for orthopedic surgeons when evaluating complex foot and ankle pathology. With advances in CT data processing, surgeons can create custom reformation of the imaging data in real time using postprocessing imaging tools. This article presents a technique describing how to manipulate CT data using two of these tools, multiplanar reformation (MPR) and maximal intensity projection (MIP), to better visualize pathology and allow a more definitive diagnosis preoperatively. Despite their availability on most modern picture archiving and communication systems, most surgeons across orthopaedics disciplines fail to utilize these powerful tools. Methods: Patients with complex midfoot deformities underwent CT scans for diagnosis and preoperative planning. Case 1 underwent percutaneous pinning of multiple metatarsal fractures. Post-operatively she had severe pain localized to the second and third metatarsals. A CT scan obtained in standard axes failed to interpret the multiplanar deformities when viewed initially on PACS. Using MPR/MIP, the axes were rotated to generate a detailed view of the deformities and subsequently template osteotomies. Case two underwent arthrodesis of the second and third tarsometatarsal (TMT) joints for an unstable Lisfranc injury. Post-operatively she presented with severe midfoot pain prohibiting her return to athletics. Radiographs demonstrated normal alignment with hardware obscuring the joints. Standard CT axes were difficult to interpret due to metal artifact and oblique planes of the TMT joints. MPR/MIP reformatting allowed metal artifact reduction through axes adjustment, improving visualization and facilitating diagnosis of nonunion of the second and third TMT fusions. Results: Case One:MIP/MPR allowed manipulation of the CT scan in the axial and coronal planes provided a sagittal reformat of the entire second and third metatarsals. The second metatarsal had a gradual plantarflexion malunion of the diaphysis. The third metatarsal had an acute plantarflexed deformity of the metatarsal neck. Reformatting provided an accurate preoperative template for planned dorsiflexion osteotomies. Case Two: Metal artifact and the oblique orientation of the TMT joints prevented evaluation of previous fusions. MIP/MPR reformatting provided axes which were perpendicular to the TMT joints decreased metal artifact and demonstrated nonunion of the previous fusions. Use of MIP/MPR in this case provided valuable diagnostic information regarding the source of pain and a plan for removal of hardware and revision TMT fusions. Conclusion: The MPR/MIP function is available in most PACS systems and allows customizable CT reformats. The technique is easy to learn and can be done quickly in the office or pre-operative setting. The technology has facilitated streamlined pre- operative planning and improvements in injury visualization numerous times, particularly in complex deformities and trauma. Using MIP/MPR reformats, the authors have been able to identify critical fracture lines and relationships between anatomic structures which may otherwise have been missed or less precisely understood. The authors hope that this article will enhance awareness and encourage others to utilize this powerful technology.

scholarly journals Systematic and Comprehensive Automated Ventricle Segmentation on Ventricle Images of the Elderly Patients: A Retrospective Study

2020 ◽  
Vol 12 ◽  
Author(s):  
Xi Zhou ◽  
Qinghao Ye ◽  
Yinghui Jiang ◽  
Minhao Wang ◽  
Zhangming Niu ◽  
...  
Keyword(s):  
Elderly Patients ◽  
Communication Systems ◽  
Cerebral Atrophy ◽  
Normal Pressure ◽  
The Elderly ◽  
Imaging Features ◽  
Imaging Data ◽  
Segmentation Method ◽  
Picture Archiving And Communication ◽  
Ventricle Segmentation

Background and Objective: Ventricle volume is closely related to hydrocephalus, brain atrophy, Alzheimer's, Parkinson's syndrome, and other diseases. To accurately measure the volume of the ventricles for elderly patients, we use deep learning to establish a systematic and comprehensive automated ventricle segmentation framework.Methods: The study participation included 20 normal elderly people, 20 patients with cerebral atrophy, 64 patients with normal pressure hydrocephalus, and 51 patients with acquired hydrocephalus. Second, get their imaging data through the picture archiving and communication systems (PACS) system. Then use ITK software to manually label participants' ventricular structures. Finally, extract imaging features through machine learning.Results: This automated ventricle segmentation method can be applied not only to CT and MRI images but also to images with different scan slice thicknesses. More importantly, it produces excellent segmentation results (Dice > 0.9).Conclusion: This automated ventricle segmentation method has wide applicability and clinical practicability. It can help clinicians find early disease, diagnose disease, understand the patient's disease progression, and evaluate the patient's treatment effect.

scholarly journals Performance Enhancement of a Web-Based Picture Archiving and Communication System Using Commercial Off-the-Shelf Server Clusters

2014 ◽  
Vol 2014 ◽  
pp. 1-9 ◽  
Author(s):  
Yan-Lin Liu ◽  
Cheng-Ting Shih ◽  
Yuan-Jen Chang ◽  
Shu-Jun Chang ◽  
Jay Wu
Keyword(s):  
Communication Systems ◽  
Query Language ◽  
Computed Radiography ◽  
Transmission Rate ◽  
High Reliability ◽  
Rapid Development ◽  
Mr Images ◽  
Server Cluster ◽  
Picture Archiving ◽  
Picture Archiving And Communication

The rapid development of picture archiving and communication systems (PACSs) thoroughly changes the way of medical informatics communication and management. However, as the scale of a hospital’s operations increases, the large amount of digital images transferred in the network inevitably decreases system efficiency. In this study, a server cluster consisting of two server nodes was constructed. Network load balancing (NLB), distributed file system (DFS), and structured query language (SQL) duplication services were installed. A total of 1 to 16 workstations were used to transfer computed radiography (CR), computed tomography (CT), and magnetic resonance (MR) images simultaneously to simulate the clinical situation. The average transmission rate (ATR) was analyzed between the cluster and noncluster servers. In the download scenario, the ATRs of CR, CT, and MR images increased by 44.3%, 56.6%, and 100.9%, respectively, when using the server cluster, whereas the ATRs increased by 23.0%, 39.2%, and 24.9% in the upload scenario. In the mix scenario, the transmission performance increased by 45.2% when using eight computer units. The fault tolerance mechanisms of the server cluster maintained the system availability and image integrity. The server cluster can improve the transmission efficiency while maintaining high reliability and continuous availability in a healthcare environment.

scholarly journals Emergence of teleradiology, PACS, and other radiology IT solutions in Acta Radiologica

2021 ◽  
pp. 028418512110510
Author(s):  
Jarmo Reponen ◽  
Jaakko Niinimäki
Keyword(s):  
Image Processing ◽  
Information Technology ◽  
Image Analysis ◽  
Communication Systems ◽  
Historical Review ◽  
Imaging Informatics ◽  
Computer Aided ◽  
Picture Archiving ◽  
Journal Publications ◽  
Picture Archiving And Communication

For this historical review, we searched a database containing all the articles published in Acta Radiologica during its 100-year history to find those on the use of information technology (IT) in radiology. After reading the full texts, we selected the presented articles according to major radiology IT domains such as teleradiology, picture archiving and communication systems, image processing, image analysis, and computer-aided diagnostics in order to describe the development as it appeared in the journal. Publications generally follow IT megatrends, but because the contents of Acta Radiologica are mainly clinically oriented, some technology achievements appear later than they do in journals discussing mainly imaging informatics topics.

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