الفهرس 
Materials & MethodsOnly 14 pages are availabe for public view
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Abstract
Magnetic Resonance Imaging is an important diagnostic technique for uating pediatric patients with abdominal masses. The primary antages of MR1 include the absence of ionizing radiation, the ability to age directly in any planes and its superior soft tissue resolution. strasonography, which also lacks ionizing radiation, is often the initialess sectional imaging technique utilized by pediatric patients. Magnetic esonance Imaging should be considered as a problem-solving technique r patients in whom ultrasonographic results are equivocal or COnfusing. omputed tomography is also an excellent method for evaluating the bdominal masses, however, it results in ionizing radiation exposure which s best minimized in the pediatric population. Another disadvantage of CT ’s that it is usually used in conjunction with iodinated contrast material attendant risks. Magentic Resonance Imaging should be alternative to CT, particularly in patients with contraindication to iodinated contrast material, also it is an excellent problem solving technique in cases where the CT results are not definitive. In our study 84 patients (46 males and 3 8 females) were encountered and dividecl into 7 groups according to the organ(s) involved as sometimes there is multiorgan involvement in the same case: group I: Hepatic masses, included 36 patients (24 males and 12 females), with about 44 focal hepatic masses (2 patients had innumerable focal lesions in all liver lobes), 10 diffuse hepatomegaly and & 1 small liver. Their age ranged from 12 days to 16 years. It included 5.