Title :
Optimized MR imaging to characterize hyperplastic process in liver tissue
Author :
Patrizio, Giovanna ; Pietroletti, Renato ; Passariello, Roberto
Author_Institution :
Dept. of Radio. & Surg., L´´Aquila Univ., Italy
Abstract :
The authors report on a null-point fast inversion recovery (IR) technique that was used to evaluate physiological changes in hepatectomized and sham-operated rats. An increase of signal intensity was observed in resected animals, reaching a peak value 24 h after surgery and returning to baseline preoperative values after two weeks. Sham-operated rats did not show a modification of signal intensity. The results indicate that under suitably chosen parameters, an IR sequence is able to detect and characterize the different stages of a hyperplastic process
Keywords :
biomedical NMR; liver; patient diagnosis; 24 hr; baseline preoperative values; hepatectomy; hyperplastic process characterisation; liver tissue; null-point fast inversion recovery technique; optimised NMR imaging; physiological changes evaluation; rats; resected animals; sham operation; signal intensity; Animals; Hepatectomy; In vitro; Infrared detectors; Liver; Pulse measurements; Radiology; Rats; Silicon compounds; Surgery;
Conference_Titel :
Engineering in Medicine and Biology Society, 1989. Images of the Twenty-First Century., Proceedings of the Annual International Conference of the IEEE Engineering in
Conference_Location :
Seattle, WA
DOI :
10.1109/IEMBS.1989.95880
