Automated semantic indexing of imaging reports to support retrieval of medical images in the multimedia electronic medical record

Henry J. Lowe, I. Antipov, W. Hersh, C. A. Smith, M. Mailhot

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

This paper describes preliminary work evaluating automated semantic indexing of radiology imaging reports to represent images stored in the Image Engine multimedia medical record system at the University of Pittsburgh Medical Center. The authors used the SAPHIRE indexing system to automatically identify important biomedical concepts within radiology reports and represent these concepts with terms from the 1998 edition of the U.S. National Library of Medicine's Unified Medical Language System (UMLS) Metathesaurus. This automated UMLS indexing was then com- pared with manual UMLS indexing of the same reports. Human indexing identified appropriate UMLS Metathesaurus descriptors for 81% of the important biomedical concepts contained in the report set. SAPHIRE automatically identified UMLS Metathesaurus descriptors for 64% of the important biomedical concepts contained in the report set. The overall conclusions of this pilot study were that the UMLS metathesaurus provided adequate coverage of the majority of the important concepts contained within the radiology report test set and that SAPHIRE could automatically identify and translate almost two thirds of these concepts into appropriate UMLS descriptors. Further work is required to improve both the recall and precision of this automated concept extraction process.

Original languageEnglish (US)
Pages (from-to)303-307
Number of pages5
JournalMethods of Information in Medicine
Volume38
Issue number4-5
DOIs
StatePublished - 1999

Keywords

  • Abstracting and Indexing
  • Computerized Medical Records Systems
  • Medical Imaging
  • Multimedia
  • Unified Medical Language System

ASJC Scopus subject areas

  • Health Informatics
  • Advanced and Specialized Nursing
  • Health Information Management

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