Code
|
Display
|
Definition
|
113069
|
Time To Peak |
The time from the start of the contrast agent injection to the maximum enhancement value. |
126326
|
IAUC90BN |
The initial area under the contrast agent concentration-time curve at 90 seconds after the onset time, normalized with the corresponding arterial input function, such that IAUC90BN = IAUC90 / IAUC90AIF. |
126327
|
IAUC180BN |
The initial area under the contrast agent concentration-time curve at 180 seconds after the onset time, normalized with the corresponding arterial input function, such that IAUC180BN = IAUC180 / IAUC180AIF. |
126374
|
Temporal Derivative Threshold |
A threshold applied to the temporal derivative of the concentration-time curve. |
126320
|
IAUC |
The initial area under the contrast agent concentration-time curve |
126375
|
Maximum Slope |
The maximum rate of signal intensity change within a measured region of a time-activity curve. See Boonsirikamchai, Piyaporn, Harmeet Kaur, Deborah A. Kuban, Edward Jackson, Ping Hou, and Haesun Choi. "Use of Maximum Slope Images Generated From Dynamic Contrast-Enhanced MRI to Detect Locally Recurrent Prostate Carcinoma After Prostatectomy: A Practical Approach." American Journal of Roentgenology 198, no. 3 (March 1, 2012): W228-W236. doi:10.2214/AJR.10.6387. |
126321
|
IAUC60 |
The initial area under the contrast agent concentration-time curve at 60 seconds after the onset time |
126376
|
Maximum Difference |
The maximum degree of signal intensity change within a measured region of a time-activity curve. See Boonsirikamchai, Piyaporn, Harmeet Kaur, Deborah A. Kuban, Edward Jackson, Ping Hou, and Haesun Choi. "Use of Maximum Slope Images Generated From Dynamic Contrast-Enhanced MRI to Detect Locally Recurrent Prostate Carcinoma After Prostatectomy: A Practical Approach." American Journal of Roentgenology 198, no. 3 (March 1, 2012): W228-W236. doi:10.2214/AJR.10.6387. |
126322
|
IAUC90 |
The initial area under the contrast agent concentration-time curve at 90 seconds after the onset time |
126377
|
Tracer Concentration |
Tracer concentration in tissue. |
126323
|
IAUC180 |
The initial area under the contrast agent concentration-time curve at 180 seconds after the onset time |
126324
|
IAUCBN |
The initial area under the contrast agent concentration-time curve, normalized with the corresponding arterial input function, such that IAUCBN = IAUC / IAUCAIF. |
126325
|
IAUC60BN |
The initial area under the contrast agent concentration-time curve at 60 seconds after the onset time, normalized with the corresponding arterial input function, such that IAUC60BN = IAUC60 / IAUC60AIF. |
126370
|
Time of Peak Concentration |
The time at which the concentration-time curve achieves its peak for the first time. Used as a concept name for a value or as a method. |
126371
|
Bolus Arrival Time |
The nominal time at which arrival of a contrast bolus is detected, which is used as a reference point for subsequent calculations. Used as a concept name for a value or as a method. No specific computational method is implied by this general definition. Abbreviated BAT. |
126372
|
Time of Leading Half-Peak Concentration |
The time at which the concentration-time curve achieves half of its peak density for the first time. Used as a concept name for a value or as a method. |