Methods Inf Med - Development of a system that generates structured reports for chest x-ray radiography.

Tópicos

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Resumo

JECTIVES: Radiology reports are typically made in narrative form; this is a barrier to the implementation of advanced applications for data analysis or a decision support. We developed a system that generates structured reports for chest x-ray radiography.METHODS: Based on analyzing existing reports, we determined the fundamental sentence structure of findings as compositions of procedure, region, finding, and diagnosis. We categorized the observation objects into lung, mediastinum, bone, soft tissue, and pleura and chest wall. The terms of region, finding, and diagnosis were associated with each other. We expressed the terms and the relations between the terms using a resource description framework (RDF) and developed a reporting system based on it. The system shows a list of terms in each category, and modifiers can be entered using templates that are linked to each term. This system guides users to select terms by highlighting associated terms. Fifty chest x-rays with abnormal findings were interpreted by five radiologists and reports were made either by the system or by the free-text method.RESULTS: The system decreased the time needed to make a report by 12.5% compared with the free-text method, and the sentences generated by the system were well concordant with those made by free-text method (F-measure = 90%). The results of the questionnaire showed that our system is applicable to radiology reports of chest x-rays in daily clinical practice.CONCLUSIONS: The method of generating structured reports for chest x-rays was feasible, because it generated almost concordant reports in shorter time compared with the free-text method.

Resumo Limpo

jectiv radiolog report typic made narrat form barrier implement advanc applic data analysi decis support develop system generat structur report chest xray radiographymethod base analyz exist report determin fundament sentenc structur find composit procedur region find diagnosi categor observ object lung mediastinum bone soft tissu pleura chest wall term region find diagnosi associ express term relat term use resourc descript framework rdf develop report system base system show list term categori modifi can enter use templat link term system guid user select term highlight associ term fifti chest xray abnorm find interpret five radiologist report made either system freetext methodresult system decreas time need make report compar freetext method sentenc generat system well concord made freetext method fmeasur result questionnair show system applic radiolog report chest xray daili clinic practiceconclus method generat structur report chest xray feasibl generat almost concord report shorter time compar freetext method

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