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Quantitative study of diffusion weighted imaging on magnetic resonance imaging in focal hepatic lesions less than 3 cm / 中华肿瘤杂志
Chinese Journal of Oncology ; (12): 165-167, 2004.
Article in Chinese | WPRIM | ID: wpr-271027
ABSTRACT
<p><b>OBJECTIVE</b>To evaluate the characteristics of MR imaging of hepatic lesions using measurement of apparent diffusion coefficient (ADC) value of hepatic lesions on diffusion weighted imaging.</p><p><b>METHODS</b>MR diffusion weighted images were obtained in patients with 97 hepatic lesions (22 hepatocellular carcinomas, 21 metastatic tumors, 28 hemangiomas, 26 cysts). ADC values were evaluated with different sequences. The ADC ratio of lesion/liver was estimated.</p><p><b>RESULTS</b>Average ADC values of hepatic lesions were as follows carcinomas (0.91 +/- 0.07) x 10(-3) mm(2)/s, metastatic tumors (1.13 +/- 0.27) x 10(-3) mm(2)/s, cavernous hemangiomas (1.94 +/- 0.37) x 10(-3) mm(2)/s, cysts (3.26 +/- 0.30) x 10(-3) mm(2)/s. The ADC ratio of lesion/liver was significantly different between primary carcinomas and metastatic tumors (P < 0.05).</p><p><b>CONCLUSION</b>Quantitative study in hepatic lesions using ADC values and the ADC ratio of lesion/liver, would improve the accuracy in diagnosing hepatic lesions.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Magnetic Resonance Imaging / Cysts / Diagnosis / Diagnosis, Differential / Diffusion / Hemangioma, Cavernous / Liver / Liver Neoplasms Type of study: Diagnostic study Limits: Humans Language: Chinese Journal: Chinese Journal of Oncology Year: 2004 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Magnetic Resonance Imaging / Cysts / Diagnosis / Diagnosis, Differential / Diffusion / Hemangioma, Cavernous / Liver / Liver Neoplasms Type of study: Diagnostic study Limits: Humans Language: Chinese Journal: Chinese Journal of Oncology Year: 2004 Type: Article