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Related Concept Videos

Anatomical Terminology01:20

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Knowledge of anatomy is essential to understand human biology and medicine. Anatomists and health care professionals use standard terminology to describe the human body with more precision and no ambiguity. Anatomical terms have mostly Greek and Latin-derived roots. Because these languages are rarely used in conversation, the meaning of words remains the same. Each term is made up of a root in between the prefixes and suffixes. The root of a term often refers to an organ, tissue, or condition,...
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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Regional Terms01:12

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Regional terms describe anatomy by dividing the body parts into different regions that contain structures involved in contributing similar functions. Using these terms helps increase the accurate description and identification of the particular region of interest or region affected by the disease.
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Imaging Studies III: Computed Tomography01:27

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Imaging Studies for Cardiovascular System V: CT01:28

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Anatomical Positions01:11

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In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
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Standard Anatomic Terminologies: Comparison for Use in a Health Information Exchange-Based Prior Computed Tomography

Anton Oscar Beitia1, Tina Lowry1, Daniel J Vreeman2,3

  • 1Department of Emergency Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States.

JMIR Medical Informatics
|December 16, 2017
PubMed
Summary
This summary is machine-generated.

This study evaluated anatomic terminologies for health information exchange (HIE)-based prior computed tomography (CT) alerting systems. RadLex and LOINC/RSNA Radiology Playbook best support alerts for common CTs, but may need enhancement for less frequent scans.

Keywords:
anatomy, regionalhealth information exchangeradiation dosageterminologytomography, x-ray computed

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Area of Science:

  • Medical Informatics
  • Radiology
  • Health Information Exchange

Background:

  • Health Information Exchange (HIE)-based prior computed tomography (CT) alerting systems can reduce unnecessary imaging.
  • Effective systems require identifying same, similar, and anatomically proximate prior CT studies.
  • Standard terminologies are needed for mapping CT exam codes to facilitate these alerts.

Purpose of the Study:

  • To evaluate the suitability of five standard anatomic terminologies for supporting similar or proximate CT alerts within an HIE system.
  • To determine if existing terminologies can be used without modification for this specific alerting use case.

Main Methods:

  • Compared five standard anatomic terminologies (Foundational Model of Anatomy, SNOMED CT, RadLex, LOINC, LOINC/RSNA Radiology Playbook) against a custom ontology (SANOPS).
  • Developed an ordinal anatomic terminology utility classification based on optimal features for the alerting use case.
  • Mapped 100 random and 100 frequent LOINC CT codes to anatomic regions in each terminology, assessed utility, and compared rankings.
  • Utilized seven hypothetical scenarios to illustrate terminology performance differences.

Main Results:

  • RadLex and LOINC/RSNA Radiology Playbook demonstrated significantly better performance for the 100 most frequent CT codes (P<.001).
  • No significant difference in performance was observed among terminologies for 100 random CT codes.
  • Hypothetical scenarios revealed limitations of standard terminologies in supporting appropriate proximate or similar alerts without modification.

Conclusions:

  • LOINC/RSNA Radiology Playbook and RadLex terminologies are well-suited for common CT alerts.
  • Modification using concepts from SANOPS may be necessary for less common CTs.
  • SANOPS provides a potential framework for enhancing anatomic terminologies in similar use cases.