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Case 1 - Subject has both TAA and AAA

The subject had CT scans performed on the chest and abdomen.

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Row

STUDYID

DOMAIN

USUBJID

PRSEQ

PRTRT

PRLOC

VISIT

 1  ABCPR  ABC-1231CT SCANCHESTBASELINE
2  ABCPR  ABC-1232CT SCANABDOMENBASELINE
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An evaluator examines the images of the thoracic and abdominal regions produced by the CT scan and decides whether TAA and AAA are present as well as their location. Modeling both TAA and AAA in the CV domain, note for viewing simplicity, some variables are omitted from the table below.
Row 1 and 2:I examined the image of the thoracic region (test location) and found an aneurysm in the Thoracic Aorta (result location) spanning from the aortic arch to the descending aorta (result location detail). In this case result location detail further qualifies both ORRES and RESLOC, hence this is a variable qualifier.
Row 3 and 4:I examined the image of the thoracic region (test location) and found that the descending aorta (result location) had dissected (the artery is tore and a false lumen had formed), most likely due to the enormous pressure caused by the large aneurysm in this area.
Row 5 and 6:I examined the image of the abdominal region (test location) and found an aneurysm in the infrarenal aorta (result location), proximal to the iliac bifurcation (result location detail). In this case result location detail is a variable qualifier for the result, I am trying to say that the aneurysm is located in the segment of the infrarenal aorta closer (proximal) to the iliac bifurcation.
Row 7 and 8:I examined the image of the abdominal region (test location) and found that the infrarenal aorta (result location) had dissected.

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STUDYID

DOMAIN

USUBJID

TUSEQ

TUGRPID

TULNKID

TUTEST

TUORRES

TULOC

TUMETHOD

VISITNUM

VISIT

TUDTC


TURESLOC
TURESLOC Detail
1ABCTUABC-12311Aneurysm 1Aneurysm IndicatorYThoracic region

CT SCAN

1BASELINE2020-04-27


2ABCTUABC-12321Aneurysm 1Aneurysm Location/Identification

Target?

Identified

Thoracic region

CT SCAN

1BASELINE2020-04-27
Thoracic AortaAortic Arch to Descending aorta
3ABCTUABC-12332Dissection 1Dissection IndicatorYThoracic region

CT SCAN

1BASELINE2020-04-27


4ABCTUABC-12342Dissection 1

Dissection Location/Identification

Target?

Identified

Thoracic region

CT SCAN

1BASELINE2020-04-27
Descending aorta
5ABCTUABC-12353Aneurysm 2Aneurysm IndicatorYAbdominal region

CT SCAN

1BASELINE2020-04-27


6ABCTUABC-12363Aneurysm 2Aneurysm Location/Identification

Target?

Identified

Abdominal region

CT SCAN

1BASELINE2020-04-27
Infrarenal aortaproximal to the iliac bifurcation
7ABCTUABC-12374Dissection 2Dissection IndicatorYAbdominal regionCT SCAN1BASELINE2020-04-27


8ABCTUABC-12384Dissection 2

Dissection Location/Identification

Target?

Identified

Abdominal region

CT SCAN

1BASELINE2020-04-27
Infrarenal aortaproximal to the iliac bifurcation

Dataset Debug Messages

  • There are two leading, trailing, or non-breaking spaces in the dataset.
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  • Please remove all formatting (see How to Clear Formatting).

Dataset Wrapper Debug Message

Please add a row column to your dataset.

Row 1:I measured the diameter of the aneurysm from aortic arch to the descending aorta (test location).
Row 2:I measured the diameter of the infrarenal aortic (test location) aneurysm.
Row 3:The dissected descending aorta (test location) is classified based on the Stanford Aortic Dissection System as type B.

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VISIT

CVDTC

1ABCCVABC-1231Aneurysm 1Aneurysm Diameter6cmThoracic AortaAortic Arch to Descending aortaCT SCAN1BASELINE2020-04-27
2ABCCVABC-1232Aneurysm 2Aneurysm Diameter7cmInfrarenal aortaproximal to the iliac bifurcationCT SCAN1BASELINE2020-04-27
4ABCCVABC-1233Dissection 1Stanford AoD ClassificationStanford B
Descending aorta
CT SCAN1BASELINE2020-04-27
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Dataset Wrapper Debug Message

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Case 2 - Subject has AAA but TAA is not found

The subject had a MRI performed on the torso (trunk).

Question:

  1. I wonder what the LOC truly is in this procedure, or whether you need a value in PRLOC at all, because essentially, you are doing a Chest MRI, followed by abdominal MRI (or vise versa) - the MRI scans and take cross-sectional pictures of your chest and abdomen. If the scanning is done on the same day in one visit, would you consider the scan of the chest a separate procedure from the scan of the abdomen? This is why for diagnostic procedures (not invasive procedure), I think the location where the procedure is done is irrelevant. When we say Chest CT, or Chest MRI, does this mean the CT scan is done on the chest (hence PRLOC), or does it mean that the purpose of the CT scan is to scan and create images of the chest? I think this is where the confusion is.

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STUDYID

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 1  ABCPR  ABC-4561MRITrunkBASELINE
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The MRI scan produced many cross-sectional images about the thoracic and abdominal regions of the subject. The evaluator then examined the MRI images of the thoracic region and abdominal region, and found the presence of a large AAA, but the absence of TAA.

Row 1:I examined the MRI image of the thoracic region (test location) and didn't find the presence of an aneurysm.
Row 2:I examined the MRI image of the abdominal region (test location) and found an aneurysm in the left (Result LAT) renal artery (Result Loc).
Row 3:I examined the image of the abdominal region (test location) and found an aneurysm in the infrarenal aorta (Result Loc).

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STUDYID

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TUSEQ

TUGRPID

TULNKID

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TURESLOC
TURESLAT
1ABCTUABC-4561

Aneurysm IndicatorNThoracic RegionMRI1BASELINE2020-04-27


2

ABC

TUABC-45621Aneurysm 1Aneurysm IndicatorYAbdominal RegionMRI1BASELINE2020-04-27


3ABCTUABC-45631Aneurysm 1Aneurysm Location/Identification

Target?

Identified

Abdominal RegionMRI1BASELINE2020-04-27
Renal ArteryLeft
4ABCTUABC-45642Aneurysm 2Aneurysm IndicatorYAbdominal RegionMRI1BASELINE2020-04-27


5ABCTUABC-45652Aneurysm 2Aneurysm Location/Identification

Target?

Identified

Abdominal RegionMRI1BASELINE2020-04-27
Infrarenal Aorta

Dataset Debug Messages

Dataset Wrapper Debug Message

Please add a row column to your dataset.

Dataset Wrapper Debug Message

Row captions have been provided, but there doesn't seem to be a dataset to which the row captions would apply.

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Row 1:I measured the diameter of the aneurysm in the left renal artery (test location).
Row 2:I measured the diameter of the aneurysm in the Infrarenal Aorta (test location).

Row

STUDYID

DOMAIN

USUBJID

TRSEQTRLNKID

TRTEST

TRORRES

TRORRESU

TRLOC

TRLAT

TRMETHOD

VISITNUM

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TRDTC

4ABCTRABC-4561Aneurysm 1Aneurysm Diameter3cmRenal ArteryLeftMRI1BASELINE2020-04-27
5ABCTRABC-4562Aneurysm 2Aneurysm Diameter5cmInfrarenal Aorta
MRI1BASELINE2020-04-27

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