Related Experiment Video
Updated: Jul 11, 2026
07:50
A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
Published on: September 20, 2018
Structuring of free-text diagnostic report
Hirofumi Fujii1, Hiromasa Yamagishi, Yutaka Ando
1Functional Imaging Division, Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan. hifujii@east.ncc.go.jp
Studies in Health Technology and Informatics
|October 4, 2007
Summary
This study introduces a semantic analysis system to convert free-text diagnostic reports into structured data. The system effectively extracts description units, improving the secondary investigation of medical reports.
Area of Science:
- Medical Informatics
- Natural Language Processing
- Radiology
Background:
- Free-text diagnostic reports hinder secondary data analysis.
- Structured reports are crucial for efficient information retrieval and research.
Purpose of the Study:
- To develop and evaluate a system for automatically extracting description units from free-text diagnostic reports.
- To enhance the structure of diagnostic reports using semantic analysis.
Main Methods:
- Defined rules for creating description units.
- Developed a system for automatic extraction of these units.
- Applied the system to cerebral perfusion scintigram reports and compared results with physician interpretations.
Main Results:
- The system's recall rate improved with increased data, reaching saturation around 85% with 300 cases.
- Five dictionaries of description units were generated.
Conclusions:
- The proposed semantic analysis system is useful for evaluating reports of cerebral perfusion scintigrams.
- Automated structuring of diagnostic reports facilitates secondary investigations.
Related Concept Videos
01:26Formulating and Validating Nursing Diagnosis I
A nursing diagnosis is written when the nurse recognizes a cluster of essential patient data indicating health problems treated with independent nursing interventions. The standardized terminologies of a nursing diagnosis help nurses identify and treat patients' problems. Every electronic health record that uses nursing diagnosis must employ standard diagnostic terminology. Developing an efficient, individualized care plan begins with accurate nursing diagnoses.
There are thirteen domains for...
There are thirteen domains for...
01:26Methods of Documentation IV: Focus Charting
Focus Charting, also known as the focus charting system or "focus documentation," is a systematic documentation approach used in healthcare to organize patient information in medical records.
It typically involves three columns for recording information:
It typically involves three columns for recording information:
01:24Data Reporting and Recording
Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
01:21Types of Reports II: Incident or Occurrence Report
An Incident or Occurrence Report in a healthcare setting is a crucial document used to record any unexpected occurrence that may or may not have affected a patient, employee, or visitor. Such reports are critical to improving patient safety and include all details leading up to and including the event.
Purposes:
In the healthcare industry, reports play a crucial role in documenting incidents within an agency. The primary objective of these reports is to ensure patient safety, uphold the...
Purposes:
In the healthcare industry, reports play a crucial role in documenting incidents within an agency. The primary objective of these reports is to ensure patient safety, uphold the...
01:20Introduction to Documentation and Reporting
Documentation is the systematic process of formally recording, maintaining, and communicating information.
Nursing documentation records essential information and details regarding a patient's care and treatment in written or electronic form. It is a critical aspect of nursing practice that involves documenting assessments, interventions, outcomes, and other relevant details about a patient's health status.
Documentation maps the patient's health journey by creating a comprehensive and precise...
Nursing documentation records essential information and details regarding a patient's care and treatment in written or electronic form. It is a critical aspect of nursing practice that involves documenting assessments, interventions, outcomes, and other relevant details about a patient's health status.
Documentation maps the patient's health journey by creating a comprehensive and precise...
01:25Formulating and Validating Nursing Diagnosis II
Nursing diagnoses represent a problem validated by major defining characteristics. There are four categories of nursing diagnoses: problem-focused, risk, health promotion or wellness, and syndrome. The anatomy of a nursing diagnosis includes three components: problem statement or diagnostic label, defining characteristics, and related factors.
Risk nursing diagnoses represent clinical judgments of an individual, family, or community more vulnerable to developing the health problem than others...
Risk nursing diagnoses represent clinical judgments of an individual, family, or community more vulnerable to developing the health problem than others...