1.Methods Routine CDFI was carried out in 98 cases of AMD to observe the character of blood flow in AMD, to establish the diagnosis criteria of different types of AMD and to different the AMD from malignant choroidal melanoma, metastatic carcinoma of the choroid, choroidal nevus and macular edema.
2.Objective To investigate the relation between the degree of brain edema and semiconductor laser output power and acting time during heat therapy of brain malignant tumor.
3.The tumours were irregular outline by CT and MRI findings, There was heavy peritumoral edema in 10 lesions of that. MRI was more efficient in demonstrating primary malignant lymphoma,most lesions showed low signal intensity on T_1WI and high signal intensity on T_2WI.