PMID: 8588032Nov 1, 1995Paper

Differential diagnosis of focal liver lesions with MRI using the superparamagnetic contrast medium endorem

Der Radiologe
T J VoglRoland Felix

Abstract

In a phase III/III-B trial the specific contrast enhancement of benign liver tumors, especially FNH and adenoma, versus malignant liver tumors such as HCC and metastases (colorectal and endocrine tumors) was evaluated using the superparamagnetic iron oxide ENDOREM. 57 patients were prospectively investigated using T2-(TR/TE=2000/90) and T1-(550/15) weighted spinecho (SE), FLASH-2D-gradientecho (GE), and fat suppressed (FATSAT) sequences before and after administration of ENDOREM (concentration: 0.2 mmol Fe/ml, dose: 15 micromol/kg (b.w.) in transverse slice orientation on a 1.5 Tesla MAGNETOM (Siemens, 63 SP). In 8 patients an in vivo-in vitro correlation 30 minutes after resection was performed. In 12 patients benign primary liver tumors (FNH (n = 10), adenoma (n = 1), and hemangioma (n = 1) were histopathologically proved. Malignant liver tumors (HCC (n = 11, cholangiocarcinoma (n = 1), metastases from colorectal carcinoma (n = 13), and endocrine tumors (n = 4)) were found in 29 patients. 11 patients with liver cirrhosis due to Wilson's disease and 5 with cirrhosis due to other reasons were investigated. Contrast-enhanced studies allowed detection of more lesions in 19 of 41 patients with liver tumors. Benign liver tumors sho...Continue Reading

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