Multislice Dynamic MRI of Hepatic Tumors

Ito, Katsuyoshi; Choji, T; Nakada, Taishi; Nakanishi, Takashi; Kurokawa, Fumie; Okita, Kiwamu

doi:10.1097/00004728-199305000-00010

Cited by 70 publications

(31 citation statements)

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“…Recent advances in fast scanning techniques, such as gradient-echo MR imaging and helical CT scanning, have made it possible to scan and evaluate the entire liven during a single breath-hold [3,4]. Nakakuma et al Ofthe 225 nodules that retained iodized oil, 143 were less than 1 cm in diameter, 54 were 1-2 cm, and 28 were 2-3 cm.…”

mentioning

confidence: 99%

Dynamic MR imaging and early-phase helical CT for detecting small intrahepatic metastases of hepatocellular carcinoma.

Oi¹,

Murakami²,

Kim³

et al. 1996

American Journal of Roentgenology

134

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mentioning

confidence: 99%

Dynamic MR imaging and early-phase helical CT for detecting small intrahepatic metastases of hepatocellular carcinoma.

Oi¹,

Murakami²,

Kim³

et al. 1996

American Journal of Roentgenology

134

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“…The latter method may improve solid-lesion contrast on T 2 -weighted fast spin-echo images [16]. While some authors have suggested that T 2 -weighted sequences may not improve detection of HCC [17], dynamic MRI using a Gd chelate plays a key role in detection of hypervascular lesions including HCC [18,19,20,21]. Use of 3-dimensional (3D) GRE sequence with a parallel imaging technique has improved the quality of dynamic MRI [22, 23].…”

Section: Conventional Mrimentioning

confidence: 99%

Magnetic Resonance Imaging of Hepatocellular Carcinoma Using Contrast Media

et al. 2008

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Magnetic resonance imaging (MRI) has been widely used for evaluation of focal lesions associated with hepatic carcinogenesis including hepatocellular carcinoma (HCC). By providing better tissue contrast compared to ultrasonography and computed tomography, MRI is considered the most sensitive modality for diagnosis of HCC. Dynamic MRI using gadolinium-based extracellular fluid (ECF) agents is useful for detection of hypervascular tumors and lesion characterization but has limitations in the diagnosis of hypovascular HCCs and lesion characterization of nonhypervascular tumors. MRI using superparamagnetic iron oxide agents may be useful for detecting and characterizing lesions that were not seen on dynamic MRI using ECF agents, but finding well-differentiated HCC and differentiating it from a dysplastic nodule can be difficult in some cases. Hepatobiliary agents that can be used in both dynamic MRI and delayed hepatobiliary phase imaging have great potential for improving characterization of focal lesions associated with hepatic carcinogenesis. Further studies are necessary to determine their roles in evaluation and management of HCCs.

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“…Especially, dynamic CT and MRI with extracellular contrast material improve differential diagnosis in the characterization of liver tumors and detection sensitivity of hypervascular tumors such as hepatocellular carcinoma (HCC) [1][2][3][4][5]. To perform a dynamic study, it is necessary to use a CT unit which can make a helical scan, or a MR system with fast imaging technique that can obtain more than 15 slices within a single breathhold.…”

Section: Introductionmentioning

confidence: 99%

“…Generally, CT shows greater temporal and spatial resolution than MRI. However, there are some advantages in using MRI, as follows: (1) it shows better soft tissue contrast than CT; (2) it is possible to image many times sequentially because there is no limitation of X-ray tube heating or exposure dose, and (3) side effects of contrast media for MRI are relatively less. Moreover, tissue-specific contrast medium, such as superparamagnetic iron oxide (SPIO) is available only on MRI.…”

Section: Introductionmentioning

confidence: 99%

CT Scan and MRI in the Differentiation of Liver Tumors

Hori

Murakami²,

Kim³

et al. 2004

Dig Dis

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Computed tomography (CT) and magnetic resonance imaging (MRI) are useful for detection and characterization of liver tumors, and widely used in clinical practice. By using dynamic CT and MRI with extracellular contrast material or MRI with liver-specific contrast material, we can investigate the morphological, hemodynamical and functional nature of focal hepatic lesions. Tumors often show characteristic findings on CT and MRI. Thus, we can correctly establish a diagnosis of liver tumors based on those findings. In this article, we describe the role of CT scan and MRI in the differentiation of liver tumors as well as presenting some typical CT and MR images.

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Multislice Dynamic MRI of Hepatic Tumors

Cited by 70 publications

References 0 publications

Dynamic MR imaging and early-phase helical CT for detecting small intrahepatic metastases of hepatocellular carcinoma.

Dynamic MR imaging and early-phase helical CT for detecting small intrahepatic metastases of hepatocellular carcinoma.

Magnetic Resonance Imaging of Hepatocellular Carcinoma Using Contrast Media

CT Scan and MRI in the Differentiation of Liver Tumors

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