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Understanding AIM Terms and Concepts Concepts
AIM uses the following three basic concepts :Imaging Observations,Anatomic Entities, and Inferences.
in the following table.
Concept | Example |
|---|---|
Imaging Observations | "Mass", "lesion", "focus" |
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Anatomic Entities | "Occipital lobe", "parietal lobe" "Medial segment of middle lobe of right lung" |
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Inferences (INF) | "Speech center involvement", "pleural effusion"," pneumonia" |
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Once we define Observations (OBS) and Anatomic and Anatomic Entities (AE), we can then look at their Characteristicscharacteristics.
- "Speculated", "Rim enhancement", "cystic", are all Imaging Observation Characteristics.
- "Dilated", "Ruptured", etc. are examples of Anatomic Entity Characteristics.
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Once we define Imaging Observation Characteristics and Anatomic Entity Characteristics, we can then talk about Quantification quantification of these characteristics.
- Quantification of a Characteristic can be "present", "absent", "not applicable", a quartile/percentile/n-tile, an arbitrary scale, a Likert scale, or a FLOAT with a UCUM unit.
AIM implementors should strive for using these terms consistently as they make up new PAPER/Web templates for projects in anticipation of their implementation in AIM 3.0 and AIM Template 1.0.
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