The role of MRI in Detection and Characterization of Benign Hepatic Focal Lesions

Abstract

Abstract Background The benign and malignant hepatic foci are a common disease in recent times. The most benign lesions are in non cirrhotic liver. The main goals of MRI liver techniques are detection and characterization of equivocal hepatic focal lesions with indeterminate results by other diagnostic modalities e.g. US or CT. Aim of the Study to describe the role of MRI in early detection and characterization of benign Hepatic focal lesions. Using unenhancement, contrast enhancement and diffusion weighted MR images; for better patient management plan. Patients and Methods This study conducted on 25 patients; four patients of them have 2 different HFL, suspicion of Hepatic focal lesions on the basis of US and/or CT. The study took place at Ain Shams University hospital. Results Present study revealed that maximum percentage of MRI finding in benign HFL is Hemangioma (37.93%) followed by Simple hepatic cyst (27.59%). The most common benign HFL are low signal intensity in T1 precontrast study and the most common benign HFL are High signal intensity in T2 precontrast study. Also, the most benign HFL show no restriction diffusion. Conclusion Benign hepatic focal lesions are frequently encountered in clinical practice and their characterization may be sometimes difficult. Magnetic resonance imaging MRI has more advantages than ultrasound, computed tomography CT in diagnosing and characterization of focal hepatic masses. With a combination of basic T1 and T2 weighted sequences, diffusion weighted imaging DWI, and use of contrast agents, most liver lesions can be adequately diagnosed.