by using the 7200 a-scan equipment and distinct investigation techniques and giving attention to all aspects ( quantitative , kinetic , and topographic ) of the obtained echogram , the detection of the tumours involved in this study ( choroidal melanoma , choroidal hemangioma , choroidal metastases , and retinoblastoma ) , is almost 99 % .
C0346388
choroidal melanoma
C0008520
choroidal