Koedam Parietal Atrophy Calculator
Exact independently verified Koedamposterior atrophy grading reference lookup with source, context and as-of date. Required context: actual MRI planes/regions, qualified observation and published scale. Caller supplies actual applicable qualified records; illustrative examples are not authoritative clinical/normative data. No default dosage, normal range, diagnosis, individual risk estimate, treatment plan or safe procedure is fabricated.
Description
Koedam parietal-atrophy ratings belong to a specified visual-rating reference and imaging context.
Koedam parietal-atrophy ratings belong to a specified visual-rating reference and imaging context.1
A lookup does not assess an image or establish a rating.
When to use Koedam Parietal Atrophy Calculator
Use this tool to retrieve a recorded reference with its source context. Establish the assessment or recording protocol, units, instrument version and independently applicable reference or calibration.
How to use Koedam Parietal Atrophy Calculator and understand its results
- Establish the assessment or recording protocol, units, instrument version and independently applicable reference or calibration.
- Enter callerVerifiedSource, callerVerifiedContext, callerVerifiedAsOfDate, callerReferenceKeys, callerReferenceTexts, queryReferenceKey, using the field meanings and rules below, then run the tool.
- Read result.matchedCallerReference, result.source, result.context, result.asOfDate. Use the units and sign conventions below.
- Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| callerVerifiedSource | Caller verified source; supplied assertion, not independently verified; output retention depends on the rules below | string | Required |
| callerVerifiedContext | Caller verified context; supplied assertion, not independently verified; output retention depends on the rules below | string | Required |
| callerVerifiedAsOfDate | Caller verified as of date; real Gregorian YYYY-MM-DD date for the supplied record | string | Required |
| callerReferenceKeys | Caller reference keys | list of string | Required |
| callerReferenceTexts | Caller reference texts | list of string | Required |
| queryReferenceKey | Query reference key; use the exact reference token or coordinate domain stated below | string | Required |
Supply nonblank source and context strings, each at most 1024 UTF-16 units, and a real Gregorian YYYY-MM-DD as-of date. Supply nonempty aligned reference keys and texts, with unique nonblank exact keys and nonblank texts. Select an exactly matching key; matching is case-sensitive without trimming or normalization. The tool returns the corresponding text and copies the supplied source, context and date. It does not fetch or independently verify a reference or its applicability.
matchedText=texts[indexOfExact(queryKey,keys)]; source/context/date=copied caller assertions Use the matching field units and the exact boundary, ordering and reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Structured result; its nested fields below contain the actual calculation or selected reference | object |
| result.matchedCallerReference | Caller-supplied text at the exact matching reference key; returned unchanged | string |
| result.source | Caller source assertion copied unchanged, without independent verification | string |
| result.context | Caller applicability context copied unchanged, without independent verification | string |
| result.asOfDate | Caller reference date copied unchanged after Gregorian date validation | string |
{
"input": {
"callerVerifiedSource": "caller-independently-reviewed-source/edition",
"callerVerifiedContext": "actual MRI planes/regions, qualified observation and published scale",
"callerVerifiedAsOfDate": "2026-01-01",
"callerReferenceKeys": [
"record-a",
"record-b"
],
"callerReferenceTexts": [
"Illustrative independently verified Koedamposterior atrophy grading record a",
"Illustrative independently verified Koedamposterior atrophy grading record b"
],
"queryReferenceKey": "record-a"
},
"output": {
"result": {
"matchedCallerReference": "Illustrative independently verified Koedamposterior atrophy grading record a",
"source": "caller-independently-reviewed-source/edition",
"context": "actual MRI planes/regions, qualified observation and published scale",
"asOfDate": "2026-01-01"
}
}
}Limitations and assumptions
Actual acquisition, assessment protocol, instrument version and calibration determine applicability. The tool does not examine a person, classify images, administer a questionnaire or choose diagnostic cutoffs. Reference records and their claimed verification are supplied by the caller; the tool does not retrieve or verify them.
Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Lists and matrices must be dense, without missing cells. Numeric lists allow at most 10000 entries; ordinary string lists allow at most 128 strings of 128 UTF-16 units each; numeric matrices allow at most 128 rows and 128 columns, subject to narrower requirements above. Extremely large composite outputs are rejected.
Alternative or Complementary methods
For a related step, use Fazekas White Matter Lesion Calculator: Fazekas ratings record independently assessed white-matter lesion findings in distinct components. For a complementary comparison, use White Matter Hyperintensity Volume Calculator: White-matter hyperintensity volume depends on independently classified and segmented lesions.
References
-
Koedam Parietal Atrophy Calculator — tool.io
Similar or alternative tools
- Fazekas White Matter Lesion Calculator
Fazekas ratings record independently assessed white-matter lesion findings in distinct components.
- White Matter Hyperintensity Volume Calculator
White-matter hyperintensity volume depends on independently classified and segmented lesions.