Dynamic spin-echo imaging with Gd-DTPA: value in the differentiation of hepatic tumors.
(1990) American Journal of Roentgenology — Vol. 154, n° 3, p. 515-519 (1990)
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- Abstract
- Thirty patients with hemangiomas (n = 6), benign liver cell tumors (n = 7), and primary or metastatic malignant tumors of the liver (n = 17) underwent dynamic MR imaging with Gd-DTPA to determine the value of the procedure in the differentiation of hepatic tumors. The diagnoses were proved by histology or follow-up. Hemangiomas had a significantly greater mean T2 value (192.1 +/- 34.8 msec) than did both benign liver cell tumors (71.9 +/- 16.9 msec; p less than .01) and primary or metastatic malignant tumors (79.7 +/- 21.2 msec; p less than .01), but the T2 values of benign liver cell tumors and malignant tumors were not significantly different. Both hemangiomas and benign liver cell tumors had a significantly greater mean signal-intensity ratio (1.86 +/- 0.60 and 1.77 +/- 0.26, respectively) than did malignant tumors (1.04 +/- 0.34; p less than .01) in the early phase after Gd-DTPA administration, and hemangiomas had a significantly greater signal-intensity ratio (1.59 +/- 0.21) than did both benign liver cell tumors (1.21 +/- 0.08; p less than .01) and malignant tumors (1.06 +/- 0.26; p less than .01) in the delayed phase. These results suggest that dynamic MR images obtained after administration of Gd-DTPA are useful in differentiating hepatic hemangiomas, benign liver cell tumors, and malignant liver lesions.
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Van Beers, B., Demeure, R., Pringot, J., Defalque, D., Geubel, A., Gigot, J.-F., & Jamart, J. (1990). Dynamic spin-echo imaging with Gd-DTPA: value in the differentiation of hepatic tumors. American Journal of Roentgenology, 154(3), 515-519. https://hdl.handle.net/2078.5/52923 (Original work published 1990)