Related Experiment Videos
[Methodologic variants on rapid MR imaging of the liver]
J H Langkowski1, M Heller, R Maas
1Radiologische Klinik, Universitätskrankenhaus, Hamburg-Eppendorf.
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|November 1, 1987
Summary
Rapid magnetic resonance imaging (MRI) allows T1 and T2-weighted liver scans in under 15 seconds, eliminating respiratory artifacts. This fast-field-echo technique with contrast medium enhances lesion detection for pre-surgical planning.
Area of Science:
- Medical Imaging
- Radiology
- Magnetic Resonance Imaging (MRI)
Context:
- Advancements in rapid imaging techniques enable faster data acquisition.
- Respiratory motion artifacts are a common challenge in abdominal MRI.
- Accurate liver imaging is crucial for diagnosis and treatment planning.
Purpose:
- To optimize fast-field-echo (FFE) parameters for rapid T1 and T2-weighted liver MRI.
- To evaluate the efficacy of contrast-enhanced FFE MRI for liver lesion detection.
- To assess the value of this technique for pre-surgical liver metastasis evaluation.
Summary:
- Developed rapid T1 and T2-weighted MRI sequences using fast-field-echo (FFE) technique, achieving scan times under 15 seconds.
- Optimized FFE parameters and utilized couch movement for gapless 10 mm transverse liver sections.
- Incorporated Gadolinium-DTPA (Gd-DTPA) contrast agent to improve perfusion assessment and lesion-to-tissue contrast.
Impact:
- Enables artifact-free liver imaging, improving diagnostic accuracy.
- Facilitates comprehensive liver evaluation, including perfusion characteristics.
- Provides valuable information for surgical planning, particularly for liver metastases.