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Year : 2017  |  Volume : 30  |  Issue : 3  |  Page : 870-875

Role of triphasic MRI in the diagnosis of hepatic focal lesions

1 Radiology Department, Faculty of Medicine, Menoufia University, Menoufia, Egypt
2 Radiology Department, National Liver Institute, Menoufia University, Menoufia, Egypt

Correspondence Address:
Mostafa M Adel
Radiology Department, National Liver Institute, Menoufia University, 5 Taiseer Street, Shebein El kom, Menoufia Governorate, 32511
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1110-2098.218261

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Objective The aim of this study was to highlight the role of triphasic (dynamic) MRI in the diagnosis of hepatic focal lesions. Background MR of liver depends on the signal characteristics (T1-weighted and T2-weighted signal intensities) and post-Gd imaging. The combination of these imaging techniques provides anatomic and functional imaging information to best detect and diagnose liver pathology. Liver lesions were classified as malignant or benign on the basis of a combination of imaging features such as enhancement pattern/presence of fat, necrosis, and clinical features such as the presence of new/growing liver lesions and uncontrolled systemic disease. Patients and methods The study was conducted in the Hepatic Oncology Unit of the National Liver Institute, Menoufia University on 40 patients with focal hepatic lesions. The study was performed between January 2015 and February 2016. Results Out of the 40 patients studied (28 male and 12 female), 39 were found to have hepatic focal lesions and one had a well-defined hyperechoic area by ultrasound and revealed focal fatty infiltration when examined with dynamic MRI. Their ages ranged from 30 to 71 years, with a mean age of 52 years. Dynamic MRI was successfully performed in all patients, revealing 18 focal lesions to be benign, 21 malignant lesions, and one area of focal fatty infiltration. Conclusion MRI was found to be of considerable value in diagnosing and differentiating between the different cirrhotic hypervascular nodules. This technique can be implemented simply and reliably. It offers the advantages of significantly shorter acquisition times, retrospective thin-section or thick-section reconstruction from the same raw data, improved three-dimensional rendering, and high-quality liver imaging with high intrinsic soft-tissue contrast. It also provides a global overview of the abdomen. Its relative contraindications include renal impairment and sensitivity to IV contrast.

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