TY - BOOK AU - Ayda Aly Youssef AU - Amr Mohammed Shabana , AU - Hassan Aly Elkiki , TI - Combination of single-voxel proton MR spectroscopy and apparent diffusion coefficient calculation in the grading of the pediatric brain tumors / PY - 2012/// CY - Cairo : PB - Ayda Aly Youssef , KW - Blood KW - Brain barrier KW - Creatine N1 - Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Radio-diagnosis; Issued also as CD N2 - The combination of single-voxel MR spectroscopy and ADC calculation could improve the diagnostic efficacy of MR imaging in the differentiation and grading of brain tumors. The diffusion study has advantages of low examination time and simple post processing and calculation of ADC value and has a high sensitivity and specificity in detection of the tumor grade ER -