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A computerized radiology education teaching file application, MRW (Multimedia Radiology Workstation), was produced in our department as a collaboration of faculty, fellows and a doctoral student. This inexpensive and flexible system is novice-programmable and is capable of capturing images from multiple modalities (including still and cine image) and organizing them into individual electronic teaching cases. Help and tutorial functions support the main case display functions. Copyright © 1998 by W.S. Saunders CompanyA N INNOVATIVEthird-generation CT scanner (Xpress SX, Toshiba Corp., Tokyo, Japan) currently in use at the University of Maryland, Department of Radiology permits near real-time reconstruction of CT Fluoroscopy (CTF) to aid in the performance of interventional procedures. We have created MRW (Multimedia Radiology Workstation) to be capable of using a variety of imaging resources, including CTF, as an alternative to standard teaching file methods. MRW consists of three components: a search engine, a case library and a media file collection. The search engine allows case selection by organ systemlbody region, modality and pathology. The case library consists of a hard disk directory containing individual case projects. Supporting data (diagnostic, patient history and modality information) can be added for each case. The media file collection consists of a directory containing digitized imaging media files obtained from CT, CT fluoroscopy, MRI, US, plain film, and nuclear medicine. Thus, MRW is a database application containing potentially hundreds of unique cross-indexed cases designed to allow efficient access/viewing in an intuitive, userfriendly manner.We have drawn on the radiology literature and five years of multimedia creation experience to make MRW. Since the initialleaming task involved
A computerized radiology education teaching file application, MRW (Multimedia Radiology Workstation), was produced in our department as a collaboration of faculty, fellows and a doctoral student. This inexpensive and flexible system is novice-programmable and is capable of capturing images from multiple modalities (including still and cine image) and organizing them into individual electronic teaching cases. Help and tutorial functions support the main case display functions. Copyright © 1998 by W.S. Saunders CompanyA N INNOVATIVEthird-generation CT scanner (Xpress SX, Toshiba Corp., Tokyo, Japan) currently in use at the University of Maryland, Department of Radiology permits near real-time reconstruction of CT Fluoroscopy (CTF) to aid in the performance of interventional procedures. We have created MRW (Multimedia Radiology Workstation) to be capable of using a variety of imaging resources, including CTF, as an alternative to standard teaching file methods. MRW consists of three components: a search engine, a case library and a media file collection. The search engine allows case selection by organ systemlbody region, modality and pathology. The case library consists of a hard disk directory containing individual case projects. Supporting data (diagnostic, patient history and modality information) can be added for each case. The media file collection consists of a directory containing digitized imaging media files obtained from CT, CT fluoroscopy, MRI, US, plain film, and nuclear medicine. Thus, MRW is a database application containing potentially hundreds of unique cross-indexed cases designed to allow efficient access/viewing in an intuitive, userfriendly manner.We have drawn on the radiology literature and five years of multimedia creation experience to make MRW. Since the initialleaming task involved
Purpose: To foster a community supported evaluation processes for open-source digital teaching file (DTF) development and maintenance. The mechanisms used to support this process will include standard web browsers, web servers, forum software, and custom additions to the forum software to potentially enable a mediated voting protocol. The web server will also serve as a focal point for beta and release software distribution, which is the desired end-goal of this process. Conclusions: We foresee that www.mdtf. org will provide for widespread distribution of open source DTF software that will include function and interface design decisions from community participation on the website forums. Copyright © 2001 by w'S. Saunders CompanyA FfER 2 YEARS of development, our digital f t teaching file (DTF) software, such as the Radiology Digital Teaching File, image manipulation, and storage tools, have been designed. We have come to the realization that if all of these tools work together in a highly integrated and customizable software environment, more people would be apt to use them and possibly even develop new complimentary tools themselves. We have undergone alpha testing and are ready for the next step, beta testing, which normally involves sending the product outside the developers inner circle for real-world trial and exposure.For this, we will take advantage of a method of beta testing called "usability testing," which has been summarized in a review by Bazman. t It is defined as "testing which attempts to find any human-factor problems." A better description is "testing the software from a users point of view." There have been three reports in the literature of medical projects that took advantage of public usability testing via the internet. Fong and Doyle/ used internet distribution to develop software for evaluating renal function. Rubenstein et al 3 provided for unrestricted public usability testing via an internet website during construction and refinement of their segmentation and three-dimensional radiological modeling software. Kovalerchuk et art developed radiologic consultation software to provide a second diagnostic opinion for questionable cases, and made available experimental prototypes via the internet for testing and evaluation of design. Our goal was to design a website that would provide an opportunity for scientists and physicians in the radiologic sciences to test and help develop our DTF software using the aforementioned usability testing model. We envision that such a site would provide for widespread distribution of our software around the world, ultimately producing a component suite of programs that have been designed by international consensus. With this innovative combination of creating open-architecture software, with development and modification based on international usability testing via internet distribution, we are confident that this product could become a cornerstone of medical information processing for years to come. MATERIALS AND METHODSThe technology used to implement the ...
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