What needs to be considered on the acquisition of T1wBB and STIR images, if one aims for assessing global oedema or early gadolinium enhancement (EGE)?
It is recommended that those sequences are acquired with the body coil.
Lateral chest x-ray:
Pericardial fat stripe, also known as sandwich or oreo cookie sign:
The epicardial (red arrows) and paracardial fat (blue arrows) is separated by a “stripe” of increased density (light green *), representing pericardial fluid.
Late gadolinium enhancement (LGE):
- no intramyocardial or subepicardial late gadolinium enhancement
- moderate pericardial effusion with pericardial thickening and enhancement of the parietal (red arrowheads) and visceral (blue arrowheads) pericardium
- good viability, especially in the anterior wall in the territory of the left anterior descending artery (LAD)
Short tau inversion recovery (STIR) imaging / early gadolinium enhancement (EGE):
- pericardial thickening and oedema (red arrows)
- no focal myocardial oedema can be seen
- T2 signal intensity ratio between myocardium and skeletal muscle within the same image was normal
- no signs of myocardial hyperaemia
T1 mapping native and postcontrast:
- native T1 ≈1005 ms, z-score of ≈0 (within normal limits)
- the application of gadolinium leads to a shortening of T1
- extracellular volume (ECV) was < 30% in all segments ~26.3% (within normal limits)